Population of Boulder, Boulder County, Colorado (Census County Division)

Map of Population by Neighborhood in Boulder

Population Density Population by Neighborhood#1

Population per square mile of land (excluding water areas):
0k/mi²15k/mi²30k/mi²45k/mi²60k/mi²75k/mi²

Population Population by Neighborhood#2

Total population:
01,9003,7005,6007,4009,300
Road Data ©OpenStreetMap

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Map of Population by Tract in Boulder

Population Density Population by Tract#3

Population per square mile of land (excluding water areas):
200/mi²3,900/mi²7,500/mi²11,200/mi²14,800/mi²18,500/mi²

Population Population by Tract#4

Total population:
1,7002,9004,0005,2006,3007,500
Road Data ©OpenStreetMap

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Map of Population by Block Group in Boulder

Population Density Population by Block Group#5

Population per square mile of land (excluding water areas):
0k/mi²6k/mi²12k/mi²19k/mi²25k/mi²31k/mi²

Population Population by Block Group#6

Total population:
3001,2002,0002,9003,7004,600
Road Data ©OpenStreetMap

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Population by Neighborhood in Boulder

There are 66 neighborhoods that are fully or partially contained within Boulder (62 fully and 4 partially). This section compares the 50 most populous of those to each other. The least populous of the compared neighborhoods has a population of 200.

Total Population by Neighborhood#7

Scope: population of selected neighborhoods in Boulder
0k1k2k3k4k5k6k7k8k9k#Gunbarrel NeighborhoodGunbarrelUniversity Hill NeighborhoodUniv HlColorado University NeighborhoodColorado UnivWhittier NeighborhoodWhittierMartin Acres NeighborhoodMartin AcresTable Mesa South NeighborhoodTable Mesa SFrasier Meadows NeighborhoodFrasier MdwsEast Foothills NeighborhoodE FoothillsOld North Boulder NeighborhoodOld N BoulderMapleton Hill NeighborhoodMapleton HillCU - Williams Village NeighborhoodCU - Williams VlgNewlands NeighborhoodNewlandsEast Aurora NeighborhoodEast AuroraTable Mesa North NeighborhoodTable Mesa NGoss Grove NeighborhoodGoss GroveFlatirons NeighborhoodFlatironsMajestic Heights NeighborhoodMajestic HtsKings Ridge NeighborhoodKings RidgeParkside NeighborhoodParksideBoulder Meadows NeighborhoodBoulder MdwsDevil's Thumb NeighborhoodDevil's ThumbPark East NeighborhoodPark EastShanahan Ridge NeighborhoodShanahan RdgKeewaydin NeighborhoodKeewaydinCatalpa Park NeighborhoodCatalpa ParkEast Chautauqua NeighborhoodE ChautauquaTantra Park NeighborhoodTantra ParkKeewaydin East NeighborhoodKeewaydin EGrant NeighborhoodGrantWonderland Hills NeighborhoodWonderland HlsFour Mile Creek NeighborhoodFour Mile CrkHillcrest - Panorama Heights NeighborhoodHillcrest - Panora…Crestview NeighborhoodCrestviewCountry Meadows NeighborhoodCountry MdwsWest Pearl NeighborhoodWest PearlNorwood - Quince NeighborhoodNorwood - QuinceWinding Trail Village NeighborhoodWinding Trl VlgSan Juan del Centro NeighborhoodSan Juan del CentroOrchard Park NeighborhoodOrchard ParkJuniper - Kalmia NeighborhoodJuniper - KalmiaUniversity Heights NeighborhoodUniv HtsCU - East Campus NeighborhoodCU - E CampusNorth Wonderland NeighborhoodN WonderlandBuena Vista NeighborhoodBuena VistaCarolyn Heights NeighborhoodCarolyn HtsMoores NeighborhoodMooresHartford - Yale NeighborhoodHartford - YaleHawthorn NeighborhoodHawthornMapleton Mobile Home Park NeighborhoodMapleton Mobile H…Centennial NeighborhoodCentennial9,263.0000009,263.0000009.26k17,041.0000007,041.0000007.04k26,287.0000006,287.0000006.29k34,653.0000004,653.0000004.65k44,202.0000004,202.0000004.20k54,061.0000004,061.0000004.06k63,490.0000003,490.0000003.49k73,384.0000003,384.0000003.38k83,192.0000003,192.0000003.19k92,821.0000002,821.0000002.82k102,737.0000002,737.0000002.74k112,490.0000002,490.0000002.49k122,292.0000002,292.0000002.29k132,155.0000002,155.0000002.16k141,859.0000001,859.0000001.86k151,624.0000001,624.0000001.62k161,603.0000001,603.0000001.60k171,553.0000001,553.0000001.55k181,540.0000001,540.0000001.54k191,532.0000001,532.0000001.53k201,445.0000001,445.0000001.45k211,419.0000001,419.0000001.42k221,410.0000001,410.0000001.41k231,285.0000001,285.0000001.29k241,213.0000001,213.0000001.21k251,122.0000001,122.0000001.12k261,107.0000001,107.0000001.11k271,082.0000001,082.0000001.08k281,006.0000001,006.0000001.01k29966.000000966.0000000.97k30921.000000921.0000000.92k31786.000000786.0000000.79k32689.000000689.0000000.69k33651.000000651.0000000.65k34647.000000647.0000000.65k35623.000000623.0000000.62k36606.000000606.0000000.61k37604.000000604.0000000.60k38599.000000599.0000000.60k39535.000000535.0000000.54k40533.000000533.0000000.53k41497.000000497.0000000.50k42444.000000444.0000000.44k43364.000000364.0000000.36k44321.000000321.0000000.32k45266.000000266.0000000.27k46243.000000243.0000000.24k47226.000000226.0000000.23k48208.000000208.0000000.21k49200.000000200.0000000.20k50
# rank of neighborhood out of 50 by population

Population Density by Neighborhood#8

People per square mile (excluding waters).
Scope: population of selected neighborhoods in Boulder
0k5k10k15k20k#San Juan del Centro NeighborhoodSan Juan del CentroCU - Williams Village NeighborhoodCU - Williams VlgGoss Grove NeighborhoodGoss GroveUniversity Hill NeighborhoodUniv HlBuena Vista NeighborhoodBuena VistaColorado University NeighborhoodColorado UnivEast Aurora NeighborhoodEast AuroraBoulder Meadows NeighborhoodBoulder MdwsKings Ridge NeighborhoodKings RidgeUniversity Heights NeighborhoodUniv HtsParkside NeighborhoodParksideTantra Park NeighborhoodTantra ParkMapleton Mobile Home Park NeighborhoodMapleton Mobile H…Keewaydin NeighborhoodKeewaydinHawthorn NeighborhoodHawthornWhittier NeighborhoodWhittierNorwood - Quince NeighborhoodNorwood - QuinceFour Mile Creek NeighborhoodFour Mile CrkMartin Acres NeighborhoodMartin AcresFlatirons NeighborhoodFlatironsFrasier Meadows NeighborhoodFrasier MdwsHartford - Yale NeighborhoodHartford - YaleWinding Trail Village NeighborhoodWinding Trl VlgMapleton Hill NeighborhoodMapleton HillHillcrest - Panorama Heights NeighborhoodHillcrest - Panora…Park East NeighborhoodPark EastMajestic Heights NeighborhoodMajestic HtsNewlands NeighborhoodNewlandsCountry Meadows NeighborhoodCountry MdwsShanahan Ridge NeighborhoodShanahan RdgOld North Boulder NeighborhoodOld N BoulderEast Foothills NeighborhoodE FoothillsTable Mesa South NeighborhoodTable Mesa SCatalpa Park NeighborhoodCatalpa ParkGrant NeighborhoodGrantWest Pearl NeighborhoodWest PearlNorth Wonderland NeighborhoodN WonderlandOrchard Park NeighborhoodOrchard ParkTable Mesa North NeighborhoodTable Mesa NMoores NeighborhoodMooresDevil's Thumb NeighborhoodDevil's ThumbWonderland Hills NeighborhoodWonderland HlsEast Chautauqua NeighborhoodE ChautauquaCrestview NeighborhoodCrestviewJuniper - Kalmia NeighborhoodJuniper - KalmiaCarolyn Heights NeighborhoodCarolyn HtsKeewaydin East NeighborhoodKeewaydin ECentennial NeighborhoodCentennialCU - East Campus NeighborhoodCU - E CampusGunbarrel NeighborhoodGunbarrel22,787.36807922,787.36807922.79k117,811.45166117,811.45166117.81k216,064.44711916,064.44711916.06k314,327.98953214,327.98953214.33k411,538.24852411,538.24852411.54k59,519.4210279,519.4210279.52k69,391.8836279,391.8836279.39k79,084.8894009,084.8894009.08k89,056.1471579,056.1471579.06k98,675.1230948,675.1230948.68k108,528.1136338,528.1136338.53k117,584.8247217,584.8247217.58k127,537.4626007,537.4626007.54k137,526.7535447,526.7535447.53k147,422.4868497,422.4868497.42k157,246.5058997,246.5058997.25k167,050.7740597,050.7740597.05k176,769.6445996,769.6445996.77k186,568.4955236,568.4955236.57k196,523.8894036,523.8894036.52k206,450.4622166,450.4622166.45k216,340.0166306,340.0166306.34k226,325.0121706,325.0121706.33k236,302.4515566,302.4515566.30k246,298.2623496,298.2623496.30k256,211.0236566,211.0236566.21k266,081.0399046,081.0399046.08k276,067.1893626,067.1893626.07k285,361.1689065,361.1689065.36k295,119.3572225,119.3572225.12k305,100.8963475,100.8963475.10k315,008.7148795,008.7148795.01k324,973.2642854,973.2642854.97k334,889.5156144,889.5156144.89k344,545.1942164,545.1942164.55k354,487.6684024,487.6684024.49k364,400.6793424,400.6793424.40k374,249.0102684,249.0102684.25k384,213.4833134,213.4833134.21k394,055.8142834,055.8142834.06k404,025.0684764,025.0684764.03k413,742.1975713,742.1975713.74k423,101.4378843,101.4378843.10k432,572.3475562,572.3475562.57k442,564.9712512,564.9712512.56k452,001.9412542,001.9412542.00k461,971.1880831,971.1880831.97k471,821.1202471,821.1202471.82k481,545.8920191,545.8920191.55k491,483.4255311,483.4255311.48k50
# rank of neighborhood out of 50 by population density

Population by County Subdivision in the Boulder Area

There are 5 county subdivisions in the Boulder Area. This section compares Boulder to all of the county subdivisions in the Boulder Area.

Total Population by County Subdivision#9

Scope: population of Boulder and selected other county subdivisions in the Boulder Area
0k20k40k60k80k100k120k#BoulderLongmontLafayette-LouisvilleBald MountainUpper St. Vrain123,101.000000123,101.000000123.10k1105,606.000000105,606.000000105.61k271,760.00000071,760.00000071.76k312,628.00000012,628.00000012.63k4866.000000866.0000000.87k5
# rank of county subdivision out of 5 by population

Population Density by County Subdivision#10

People per square mile (excluding waters).
Scope: population of Boulder and selected other county subdivisions in the Boulder Area
05001,0001,500#Lafayette-LouisvilleBoulderLongmontBald MountainUpper St. Vrain1,546.4667581,546.4667581,54611,206.4820241,206.4820241,2062664.568238664.568238665355.42678955.4267895544.5301614.53016155
# rank of county subdivision out of 5 by population density

Population by County Subdivision in Colorado

There are 209 county subdivisions in Colorado. This section compares Boulder to the 50 most populous county subdivisions in Colorado. The least populous of the compared county subdivisions has a population of 15,370.

Total Population by County Subdivision#11

Scope: population of Boulder and selected other county subdivisions in Colorado
0k200k400k600k#DenverNortheast JeffersonNE JeffersonColorado SpringsColorado SpgsSouth AuroraWest AdamsSouthwest ArapahoeSW ArapahoeFort CollinsSedaliaGreeleyBoulderParkerPuebloLongmontLovelandBrightonGrand JunctionGrand JctFountainBlack Forest-PeytonBlack Frst-PeytonLafayette-LouisvilleElsmereBroomfieldCastle RockErie-FrederickNorth AuroraGoldenDurangoCommerce CityMontrosePueblo WestEast ArapahoeJohnstown-MillikenCañon CityCliftonMinturn-Red CliffSouth JeffersonS JeffersonGlenwood SpringsGlenwood SpgsCentral JeffersonCntrl JeffersonFruitaElizabethTimnath-WellingtonWindsorDivideMonumentEagle-GypsumSteamboat SpringsSteamboat SpgsSterlingCortezBreckenridgeFort MorganAlamosa663,303.000000663,303.000000663.30k1470,960.000000470,960.000000470.96k2394,700.000000394,700.000000394.70k3384,154.000000384,154.000000384.15k4305,356.000000305,356.000000305.36k5203,005.000000203,005.000000203.01k6169,876.000000169,876.000000169.88k7154,914.000000154,914.000000154.91k8132,476.000000132,476.000000132.48k9123,101.000000123,101.000000123.10k10114,292.000000114,292.000000114.29k11114,174.000000114,174.000000114.17k12105,606.000000105,606.000000105.61k13105,560.000000105,560.000000105.56k1490,246.00000090,246.00000090.25k1587,234.00000087,234.00000087.23k1681,192.00000081,192.00000081.19k1773,806.00000073,806.00000073.81k1871,760.00000071,760.00000071.76k1967,317.00000067,317.00000067.32k2062,449.00000062,449.00000062.45k2145,032.00000045,032.00000045.03k2244,219.00000044,219.00000044.22k2343,431.00000043,431.00000043.43k2437,289.00000037,289.00000037.29k2533,087.00000033,087.00000033.09k2631,822.00000031,822.00000031.82k2731,444.00000031,444.00000031.44k2830,555.00000030,555.00000030.56k2930,509.00000030,509.00000030.51k3030,067.00000030,067.00000030.07k3129,631.00000029,631.00000029.63k3229,021.00000029,021.00000029.02k3325,896.00000025,896.00000025.90k3425,563.00000025,563.00000025.56k3525,562.00000025,562.00000025.56k3624,998.00000024,998.00000025.00k3723,714.00000023,714.00000023.71k3822,154.00000022,154.00000022.15k3921,986.00000021,986.00000021.99k4021,982.00000021,982.00000021.98k4120,267.00000020,267.00000020.27k4219,665.00000019,665.00000019.67k4318,833.00000018,833.00000018.83k4417,708.00000017,708.00000017.71k4517,359.00000017,359.00000017.36k4617,205.00000017,205.00000017.21k4716,820.00000016,820.00000016.82k4816,359.00000016,359.00000016.36k4915,370.00000015,370.00000015.37k50
# rank of county subdivision out of 50 by population

Population Density by County Subdivision#12

People per square mile (excluding waters).
Scope: population of Boulder and selected other county subdivisions in Colorado
0k1k2k3k4k#South AuroraWest AdamsDenverSouthwest ArapahoeSW ArapahoeColorado SpringsColorado SpgsNortheast JeffersonNE JeffersonBroomfieldGrand JunctionGrand JctLafayette-LouisvilleFort CollinsBoulderElsmereGreeleyNorth AuroraCommerce CityCliftonLongmontBrightonSedaliaParkerErie-FrederickLovelandFountainCentral JeffersonCntrl JeffersonWindsorPuebloGoldenJohnstown-MillikenCastle RockBlack Forest-PeytonBlack Frst-PeytonCañon CityMonumentPueblo WestSouth JeffersonS JeffersonMontroseDivideBreckenridgeTimnath-WellingtonFruitaFort MorganMinturn-Red CliffAlamosaEast ArapahoeCortezDurangoSterlingElizabethGlenwood SpringsGlenwood SpgsSteamboat SpringsSteamboat SpgsEagle-Gypsum4,917.7011964,917.7011964.92k14,504.7537134,504.7537134.50k24,325.8627734,325.8627734.33k32,968.0630872,968.0630872.97k42,870.5815192,870.5815192.87k52,824.5206762,824.5206762.82k61,892.1971391,892.1971391.89k71,623.1278881,623.1278881.62k81,546.4667581,546.4667581.55k91,308.1129901,308.1129901.31k101,206.4820241,206.4820241.21k111,030.9022131,030.9022131.03k12899.067976899.0679760.90k13803.038861803.0388610.80k14725.912709725.9127090.73k15706.925948706.9259480.71k16664.568238664.5682380.66k17649.816692649.8166920.65k18468.263924468.2639240.47k19459.932703459.9327030.46k20445.584645445.5846450.45k21406.753203406.7532030.41k22361.612259361.6122590.36k23284.697528284.6975280.28k24276.420818276.4208180.28k25253.282942253.2829420.25k26231.991986231.9919860.23k27198.421996198.4219960.20k28172.575995172.5759950.17k29146.590373146.5903730.15k30145.560626145.5606260.15k31138.728435138.7284350.14k32111.540289111.5402890.11k3373.26034573.2603450.07k3462.44891262.4489120.06k3561.03078961.0307890.06k3655.34072555.3407250.06k3754.80196154.8019610.05k3854.31686754.3168670.05k3953.26597953.2659790.05k4051.12694851.1269480.05k4149.21515749.2151570.05k4246.83487446.8348740.05k4346.52164146.5216410.05k4445.83174045.8317400.05k4539.52983339.5298330.04k4632.54717332.5471730.03k4732.04455332.0445530.03k4826.41506626.4150660.03k4919.85462519.8546250.02k50
# rank of county subdivision out of 50 by population density

Population by County Subdivision in the West

There are 1,950 county subdivisions in the West. This section compares Boulder to the 50 most populous county subdivisions in the West. The least populous of the compared county subdivisions has a population of 323,012.

Total Population by County Subdivision#13

Scope: population of Boulder and selected other county subdivisions in the West
0M1M2M3M#PhoenixLos AngelesSan DiegoLas VegasSan Fernando ValleySan Fernando VlySan JoseAnaheim-Santa Ana-Garden GroveAnaheim-Santa An…SacramentoSeattleSalt Lake CitySalt Lk CityEast San Gabriel ValleyE San Gabriel VlyTucsonSan FranciscoSan BernardinoFresnoDenverOceanside-EscondidoOceanside-Escond…OntarioAlbuquerqueSeattle EastLong Beach-LakewoodLong Bch-LakewoodSouth Gate-East Los AngelesS Gate-E Los Ang…Central Contra CostaCntrl Contra CostaPortland EastRiversideNortheast JeffersonNE JeffersonTacomaOaklandBeaverton-HillsboroChandlerDowney-NorwalkBakersfieldSan MateoHonoluluColorado SpringsColorado SpgsHaywardSouth AuroraVictorville-HesperiaNorth CoastInglewoodSpokaneStocktonComptonFremontEwaBoise CityUpper San Gabriel ValleyUpper San Gabriel …WhittierSouthwest San Gabriel ValleySW San Gabriel VlyModestoBoulder3,185,985.0000003,185,985.0000003.19M12,574,716.0000002,574,716.0000002.57M22,380,035.0000002,380,035.0000002.38M31,869,958.0000001,869,958.0000001.87M41,840,994.0000001,840,994.0000001.84M51,756,736.0000001,756,736.0000001.76M61,697,256.0000001,697,256.0000001.70M71,120,330.0000001,120,330.0000001.12M81,043,799.0000001,043,799.0000001.04M9984,688.000000984,688.0000000.98M10956,645.000000956,645.0000000.96M11873,846.000000873,846.0000000.87M12850,282.000000850,282.0000000.85M13838,767.000000838,767.0000000.84M14692,196.000000692,196.0000000.69M15663,303.000000663,303.0000000.66M16658,986.000000658,986.0000000.66M17643,790.000000643,790.0000000.64M18642,235.000000642,235.0000000.64M19586,424.000000586,424.0000000.59M20578,060.000000578,060.0000000.58M21502,096.000000502,096.0000000.50M22495,183.000000495,183.0000000.50M23492,122.000000492,122.0000000.49M24474,609.000000474,609.0000000.47M25470,960.000000470,960.0000000.47M26442,842.000000442,842.0000000.44M27434,352.000000434,352.0000000.43M28430,830.000000430,830.0000000.43M29420,189.000000420,189.0000000.42M30419,579.000000419,579.0000000.42M31411,089.000000411,089.0000000.41M32404,093.000000404,093.0000000.40M33401,470.000000401,470.0000000.40M34394,700.000000394,700.0000000.39M35387,541.000000387,541.0000000.39M36384,154.000000384,154.0000000.38M37379,179.000000379,179.0000000.38M38378,590.000000378,590.0000000.38M39374,065.000000374,065.0000000.37M40362,463.000000362,463.0000000.36M41351,874.000000351,874.0000000.35M42350,122.000000350,122.0000000.35M43344,862.000000344,862.0000000.34M44341,205.000000341,205.0000000.34M45338,211.000000338,211.0000000.34M46330,807.000000330,807.0000000.33M47325,137.000000325,137.0000000.33M48324,053.000000324,053.0000000.32M49323,012.000000323,012.0000000.32M50123,101.000000123,101.0000000.12M
# rank of county subdivision out of 50 by population

Population Density by County Subdivision#14

People per square mile (excluding waters).
Scope: population of Boulder and selected other county subdivisions in the West
0k5k10k15k#San FranciscoInglewoodSouth Gate-East Los AngelesS Gate-E Los Ang…Downey-NorwalkLos AngelesSouthwest San Gabriel ValleySW San Gabriel VlyLong Beach-LakewoodLong Bch-LakewoodComptonOaklandUpper San Gabriel ValleyUpper San Gabriel …North CoastAnaheim-Santa Ana-Garden GroveAnaheim-Santa An…SeattleWhittierPortland EastSouth AuroraSan JoseEast San Gabriel ValleyE San Gabriel VlyHonoluluDenverSan Fernando ValleySan Fernando VlyLas VegasOntarioSan MateoSan DiegoModestoTacomaSan BernardinoFremontSalt Lake CitySalt Lk CitySacramentoHaywardPhoenixRiversideColorado SpringsColorado SpgsNortheast JeffersonNE JeffersonSeattle EastBeaverton-HillsboroChandlerOceanside-EscondidoOceanside-Escond…FresnoBoise CityEwaAlbuquerqueCentral Contra CostaCntrl Contra CostaSpokaneBakersfieldBoulderStocktonTucsonVictorville-Hesperia18,131.88270418,131.88270418.13k112,713.42509812,713.42509812.71k212,196.15153512,196.15153512.20k39,682.0202799,682.0202799.68k49,655.1957529,655.1957529.66k59,190.7540269,190.7540269.19k69,116.6125859,116.6125859.12k77,750.6051957,750.6051957.75k87,377.7083577,377.7083577.38k96,713.0496946,713.0496946.71k106,345.9173746,345.9173746.35k115,956.2699425,956.2699425.96k125,596.4766535,596.4766535.60k135,424.7793125,424.7793125.42k145,173.7973995,173.7973995.17k154,917.7011964,917.7011964.92k164,706.7171094,706.7171094.71k174,517.8109374,517.8109374.52k184,514.2559394,514.2559394.51k194,325.8627734,325.8627734.33k204,215.4163024,215.4163024.22k213,907.1100223,907.1100223.91k223,498.0389273,498.0389273.50k233,492.5094223,492.5094223.49k243,415.4643753,415.4643753.42k253,286.1101183,286.1101183.29k263,183.5968283,183.5968283.18k273,182.6217453,182.6217453.18k283,091.0025833,091.0025833.09k293,040.3426513,040.3426513.04k302,983.2613152,983.2613152.98k312,967.5924112,967.5924112.97k322,933.6923542,933.6923542.93k332,927.8045582,927.8045582.93k342,870.5815192,870.5815192.87k352,824.5206762,824.5206762.82k362,706.3283012,706.3283012.71k372,600.6149632,600.6149632.60k382,435.7341962,435.7341962.44k392,419.1779152,419.1779152.42k402,328.8584072,328.8584072.33k412,112.5117942,112.5117942.11k422,068.1343692,068.1343692.07k431,997.2588661,997.2588662.00k441,898.3779421,898.3779421.90k451,759.4314941,759.4314941.76k461,669.7649191,669.7649191.67k471,206.4820241,206.4820241.21k1,097.2868541,097.2868541.10k48451.025722451.0257220.45k49287.581763287.5817630.29k50
# rank of county subdivision out of 50 by population density

Population by County Subdivision in the United States

There are 35,600 county subdivisions in the United States. This section compares Boulder to the 50 most populous county subdivisions in the United States. The least populous of the compared county subdivisions has a population of 547,300.

Total Population by County Subdivision#15

Scope: population of Boulder and selected other county subdivisions in the United States
0M1M2M3M#HoustonPhoenixChicagoBrooklynLos AngelesSan DiegoQueensLas VegasSan Fernando ValleySan Fernando VlySan JoseAnaheim-Santa Ana-Garden GroveAnaheim-Santa An…ManhattanPhiladelphiaNortheast DallasNE DallasBronxSacramentoSeattleSalt Lake CitySalt Lk CitySouthwest DallasSW DallasMiamiEast San Gabriel ValleyE San Gabriel VlyTucsonAustinFort WorthSan FranciscoSan BernardinoColumbusTownship 1:Charlotte1, CharlotteTown of HempsteadHempsteadNorthwest HarrisNW HarrisSan Antonio CentralSan Antonio CntrlFresnoDetroitTampaDenverWashingtonOceanside-EscondidoOceanside-Escond…BostonOntarioAlbuquerqueBaltimoreMilwaukeeTulsaSeattle EastOrlandoAtlantaLong Beach-LakewoodLong Bch-LakewoodNortheast TarrantNE TarrantEl PasoPlanoBoulder3,303,447.0000003,303,447.0000003.30M13,185,985.0000003,185,985.0000003.19M22,714,017.0000002,714,017.0000002.71M32,606,852.0000002,606,852.0000002.61M42,574,716.0000002,574,716.0000002.57M52,380,035.0000002,380,035.0000002.38M62,310,011.0000002,310,011.0000002.31M71,869,958.0000001,869,958.0000001.87M81,840,994.0000001,840,994.0000001.84M91,756,736.0000001,756,736.0000001.76M101,697,256.0000001,697,256.0000001.70M111,634,989.0000001,634,989.0000001.63M121,559,938.0000001,559,938.0000001.56M131,547,047.0000001,547,047.0000001.55M141,436,785.0000001,436,785.0000001.44M151,120,330.0000001,120,330.0000001.12M161,043,799.0000001,043,799.0000001.04M17984,688.000000984,688.0000000.98M18966,007.000000966,007.0000000.97M19962,821.000000962,821.0000000.96M20956,645.000000956,645.0000000.96M21873,846.000000873,846.0000000.87M22858,889.000000858,889.0000000.86M23851,942.000000851,942.0000000.85M24850,282.000000850,282.0000000.85M25838,767.000000838,767.0000000.84M26819,046.000000819,046.0000000.82M27808,834.000000808,834.0000000.81M28768,708.000000768,708.0000000.77M29748,225.000000748,225.0000000.75M30701,553.000000701,553.0000000.70M31692,196.000000692,196.0000000.69M32683,443.000000683,443.0000000.68M33666,319.000000666,319.0000000.67M34663,303.000000663,303.0000000.66M35659,009.000000659,009.0000000.66M36658,986.000000658,986.0000000.66M37658,279.000000658,279.0000000.66M38643,790.000000643,790.0000000.64M39642,235.000000642,235.0000000.64M40621,000.000000621,000.0000000.62M41598,672.000000598,672.0000000.60M42592,277.000000592,277.0000000.59M43586,424.000000586,424.0000000.59M44582,524.000000582,524.0000000.58M45580,090.000000580,090.0000000.58M46578,060.000000578,060.0000000.58M47572,881.000000572,881.0000000.57M48548,467.000000548,467.0000000.55M49547,300.000000547,300.0000000.55M50123,101.000000123,101.0000000.12M
# rank of county subdivision out of 50 by population

Population Density by County Subdivision#16

People per square mile (excluding waters).
Scope: population of Boulder and selected other county subdivisions in the United States
0k10k20k30k40k50k60k70k#ManhattanBrooklynBronxQueensSan FranciscoBostonChicagoPhiladelphiaWashingtonLos AngelesLong Beach-LakewoodLong Bch-LakewoodMiamiBaltimoreTown of HempsteadHempsteadMilwaukeeAnaheim-Santa Ana-Garden GroveAnaheim-Santa An…SeattleDetroitSan JoseEast San Gabriel ValleyE San Gabriel VlyDenverSan Fernando ValleySan Fernando VlyLas VegasSan Antonio CentralSan Antonio CntrlColumbusEl PasoOntarioHoustonSan DiegoNortheast DallasNE DallasSan BernardinoOrlandoSalt Lake CitySalt Lk CitySacramentoPhoenixPlanoNortheast TarrantNE TarrantSeattle EastTownship 1:Charlotte1, CharlotteAtlantaTampaOceanside-EscondidoOceanside-Escond…FresnoSouthwest DallasSW DallasAlbuquerqueAustinFort WorthNorthwest HarrisNW HarrisTulsaBoulderTucson72,167.60597972,167.60597972.17k137,340.67621837,340.67621837.34k234,167.96880134,167.96880134.17k321,237.94747821,237.94747821.24k418,131.88270418,131.88270418.13k513,615.61129813,615.61129813.62k612,057.14914612,057.14914612.06k711,625.88366911,625.88366911.63k810,777.79535110,777.79535110.78k99,655.1957529,655.1957529.66k109,116.6125859,116.6125859.12k117,757.9537137,757.9537137.76k127,671.9868697,671.9868697.67k136,476.9540176,476.9540176.48k146,229.7300166,229.7300166.23k155,956.2699425,956.2699425.96k165,596.4766535,596.4766535.60k174,925.7150874,925.7150874.93k184,706.7171094,706.7171094.71k194,517.8109374,517.8109374.52k204,325.8627734,325.8627734.33k214,215.4163024,215.4163024.22k223,907.1100223,907.1100223.91k233,889.5199033,889.5199033.89k243,837.3389493,837.3389493.84k253,813.6244893,813.6244893.81k263,498.0389273,498.0389273.50k273,432.2477213,432.2477213.43k283,415.4643753,415.4643753.42k293,400.4437133,400.4437133.40k303,182.6217453,182.6217453.18k313,047.2144943,047.2144943.05k323,040.3426513,040.3426513.04k332,983.2613152,983.2613152.98k342,933.6923542,933.6923542.93k352,868.3902532,868.3902532.87k362,731.9619672,731.9619672.73k372,706.3283012,706.3283012.71k382,648.6316482,648.6316482.65k392,458.5540782,458.5540782.46k402,441.0931792,441.0931792.44k412,419.1779152,419.1779152.42k422,328.8584072,328.8584072.33k432,310.4019512,310.4019512.31k441,997.2588661,997.2588662.00k451,839.8506461,839.8506461.84k461,784.8195521,784.8195521.78k471,727.0392151,727.0392151.73k481,442.7319421,442.7319421.44k491,206.4820241,206.4820241.21k451.025722451.0257220.45k50
# rank of county subdivision out of 50 by population density

Definitions

This page reports on the population distribution in Boulder, both in terms of raw head counts, and in terms of population density per square mile.

  • Population: count of all residents of the given entity at the time of the survey, excluding visitors
  • Population Density: population divided by the total land area of the entity (i.e., excluding water areas contained in the entity)

For additional information about the data presented on this site, including our sources, please see the About Page.

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State:
Colorado
County:
Boulder
Metro Area:
Boulder Area
Cities:
Boulder, Lafayette, Louisville
Town:
Superior
Unincorporated Places:
Eldorado Springs, Gunbarrel, Paragon Estates, Valmont
ZIP Codes:
80025, 80026, 80027, 80301, 80302, 80303, 80304, 80305, 80310, 80503
Unified School Districts:
Boulder Valley RE-2, St. Vrain Valley RE 1J
Neighborhoods:
Boulder Meadows, Buena Vista, CU - East Campus, CU - Williams Village, Carolyn Heights, Catalpa Park, Centennial, Chautauqua, Colorado University, Country Meadows, Crestview, Devil's Thumb, East Aurora, East Central, East Chautauqua, East Foothills, Flatirons, Foothills Community, Forest Glen, Four Mile Creek, Frasier Meadows, Githens Acres, Goss Grove, Grandview, Grant, Gunbarrel, Hartford - Yale, Hawthorn, Hillcrest - Panorama Heights, Hillside, Iris Hollow, Juniper - Kalmia, Keewaydin, Keewaydin East, Kings Ridge, Majestic Heights, Mapleton Hill, Mapleton Mobile Home Park, Martin Acres, Moores, Newlands, Noble Park, North Wonderland, Northbriar, Norwood - Quince, Old North Boulder, Orchard Park, Park East, Parkside, Pinon, Poplar, Sale Lake, San Juan del Centro, Shanahan Ridge, Table Mesa North, Table Mesa South, Tantra Park, Telluride, University Heights, University Hill, Wellman Creek, West Hawthorn, West Pearl, Whittier, Winding Trail Village, Wonderland Hills
Congressional District:
CO-2
State Senate Districts:
CO-16, CO-17, CO-18
State House Districts:
CO-10, CO-11, CO-12, CO-13, CO-33