Population of Jefferson County, Colorado (County)

Map of Population by County Subdivision in Jefferson County

Population Density Population by County Subdivision#1

Population per square mile of land (excluding water areas):
0/mi²600/mi²1,200/mi²1,700/mi²2,300/mi²2,900/mi²

Population Population by County Subdivision#2

Total population:
20k110k200k290k380k480k
Road Data ©OpenStreetMap

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Map of Population by Tract in Jefferson County

Population Density Population by Tract#3

Population per square mile of land (excluding water areas):
0/mi²2,800/mi²5,500/mi²8,300/mi²11,000/mi²13,800/mi²

Population Population by Tract#4

Total population:
01,6003,1004,7006,2007,900
Road Data ©OpenStreetMap

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Map of Population by Block Group in Jefferson County

Population Density Population by Block Group#5

Population per square mile of land (excluding water areas):
0k/mi²6k/mi²11k/mi²17k/mi²23k/mi²29k/mi²

Population Population by Block Group#6

Total population:
08001,6002,4003,2004,000
Road Data ©OpenStreetMap

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Population by Place in Jefferson County

There are 26 places that are fully or partially contained within Jefferson County (19 fully and 7 partially). This section compares all 26 of those to each other.

Total Population by Place#7

Scope: population of selected places in Jefferson County
0k50k100k#LakewoodArvadaWestminsterLittletonDakota RidgeKen CarylWheat RidgeColumbineGoldenSuperiorEvergreenFairmountApplewoodEdgewaterWest Pleasant ViewW Pleasant VwGeneseeCoal CreekIndian HillsKittredgeBow MarAspen ParkMountain ViewMorrisonEast Pleasant ViewE Pleasant VwIdledaleLakeside149,793.000000149,793.000000149.79k1113,532.000000113,532.000000113.53k2111,770.000000111,770.000000111.77k345,072.00000045,072.00000045.07k434,133.00000034,133.00000034.13k532,883.00000032,883.00000032.88k631,044.00000031,044.00000031.04k725,281.00000025,281.00000025.28k820,268.00000020,268.00000020.27k912,928.00000012,928.00000012.93k108,580.0000008,580.0000008.58k118,484.0000008,484.0000008.48k127,976.0000007,976.0000007.98k135,278.0000005,278.0000005.28k144,078.0000004,078.0000004.08k153,625.0000003,625.0000003.63k161,821.0000001,821.0000001.82k171,335.0000001,335.0000001.34k181,118.0000001,118.0000001.12k191,047.0000001,047.0000001.05k20776.000000776.0000000.78k21522.000000522.0000000.52k22366.000000366.0000000.37k23318.000000318.0000000.32k24316.000000316.0000000.32k2510.00000010.0000000.01k26
# rank of place out of 26 by population

Population Density by Place#8

People per square mile (excluding waters).
Scope: population of selected places in Jefferson County
0k1k2k3k4k5k6k7k#EdgewaterMountain ViewColumbineDakota RidgeLittletonWestminsterLakewoodKen CarylWheat RidgeSuperiorArvadaEast Pleasant ViewE Pleasant VwWest Pleasant ViewW Pleasant VwGoldenApplewoodBow MarFairmountIdledaleEvergreenKittredgeGeneseeAspen ParkIndian HillsCoal CreekMorrisonLakeside7,564.2351927,564.2351927.56k15,614.1127645,614.1127645.61k23,812.7480763,812.7480763.81k33,663.0852473,663.0852473.66k43,550.9639473,550.9639473.55k53,522.6543193,522.6543193.52k63,493.9252273,493.9252273.49k73,390.6905673,390.6905673.39k83,314.1625113,314.1625113.31k93,258.1782753,258.1782753.26k102,939.0763822,939.0763822.94k112,822.4013212,822.4013212.82k122,749.9619902,749.9619902.75k132,033.6419492,033.6419492.03k141,952.2618151,952.2618151.95k151,529.2600431,529.2600431.53k161,414.1734201,414.1734201.41k171,140.8875821,140.8875821.14k18744.610660744.6106600.74k19593.400090593.4000900.59k20544.514849544.5148490.54k21312.179178312.1791780.31k22245.807877245.8078770.25k23193.958921193.9589210.19k24167.231461167.2314610.17k2553.29566553.2956650.05k26
# rank of place out of 26 by population density

Population by County Subdivision in Jefferson County

There are 4 county subdivisions in Jefferson County. This section compares all 4 of those to each other.

Total Population by County Subdivision#9

Scope: population of selected county subdivisions in Jefferson County
0k100k200k300k400k#Northeast JeffersonNE JeffersonGoldenSouth JeffersonS JeffersonCentral JeffersonCntrl Jefferson470,960.000000470,960.000000470.96k137,289.00000037,289.00000037.29k225,563.00000025,563.00000025.56k324,998.00000024,998.00000025.00k4
# rank of county subdivision out of 4 by population

Population Density by County Subdivision#10

People per square mile (excluding waters).
Scope: population of selected county subdivisions in Jefferson County
05001,0001,5002,0002,500#Northeast JeffersonNE JeffersonCentral JeffersonCntrl JeffersonGoldenSouth JeffersonS Jefferson2,824.5206762,824.5206762,8251284.697528284.6975282852231.991986231.991986232373.26034573.260345734
# rank of county subdivision out of 4 by population density

Population by County in the Denver Area

There are 10 counties in the Denver Area. This section compares Jefferson County to all of the counties in the Denver Area.

Total Population by County#11

Scope: population of Jefferson County and selected other counties in the Denver Area
0k100k200k300k400k500k600k#Denver CountyDenverArapahoe CountyArapahoeJefferson CountyJeffersonAdams CountyAdamsDouglas CountyDouglasBroomfield CountyBroomfieldElbert CountyElbertPark CountyParkClear Creek CountyClear CreekGilpin CountyGilpin663,303.000000663,303.000000663.30k1617,668.000000617,668.000000617.67k2558,810.000000558,810.000000558.81k3479,977.000000479,977.000000479.98k4314,238.000000314,238.000000314.24k562,449.00000062,449.00000062.45k624,225.00000024,225.00000024.23k716,440.00000016,440.00000016.44k89,238.0000009,238.0000009.24k95,708.0000005,708.0000005.71k10
# rank of county out of 10 by population

Population Density by County#12

People per square mile (excluding waters).
Scope: population of Jefferson County and selected other counties in the Denver Area
0k1k2k3k4k#Denver CountyDenverBroomfield CountyBroomfieldArapahoe CountyArapahoeJefferson CountyJeffersonAdams CountyAdamsDouglas CountyDouglasGilpin CountyGilpinClear Creek CountyClear CreekElbert CountyElbertPark CountyPark4,325.8627734,325.8627734.33k11,892.1971391,892.1971391.89k2774.088596774.0885960.77k3731.222917731.2229170.73k4411.188580411.1885800.41k5373.975503373.9755030.37k638.07972438.0797240.04k723.37570323.3757030.02k813.08863713.0886370.01k97.4935117.4935110.01k10
# rank of county out of 10 by population density

Population by County in Colorado

There are 64 counties in Colorado. This section compares Jefferson County to the 50 most populous counties in Colorado. The least populous of the compared counties has a population of 5,515.

Total Population by County#13

Scope: population of Jefferson County and selected other counties in Colorado
0k100k200k300k400k500k600k#El Paso CountyEl PasoDenver CountyDenverArapahoe CountyArapahoeJefferson CountyJeffersonAdams CountyAdamsLarimer CountyLarimerDouglas CountyDouglasBoulder CountyBoulderWeld CountyWeldPueblo CountyPuebloMesa CountyMesaBroomfield CountyBroomfieldGarfield CountyGarfieldLa Plata CountyLa PlataEagle CountyEagleFremont CountyFremontMontrose CountyMontroseDelta CountyDeltaSummit CountySummitMorgan CountyMorganMontezuma CountyMontezumaElbert CountyElbertRoutt CountyRouttTeller CountyTellerLogan CountyLoganChaffee CountyChaffeeOtero CountyOteroPitkin CountyPitkinPark CountyParkAlamosa CountyAlamosaGunnison CountyGunnisonGrand CountyGrandLas Animas CountyLas AnimasMoffat CountyMoffatArchuleta CountyArchuletaProwers CountyProwersRio Grande CountyRio GrandeYuma CountyYumaClear Creek CountyClear CreekConejos CountyConejosKit Carson CountyKit CarsonSan Miguel CountySan MiguelLake CountyLakeRio Blanco CountyRio BlancoHuerfano CountyHuerfanoSaguache CountySaguacheBent CountyBentGilpin CountyGilpinCrowley CountyCrowleyLincoln CountyLincoln665,171.000000665,171.000000665.17k1663,303.000000663,303.000000663.30k2617,668.000000617,668.000000617.67k3558,810.000000558,810.000000558.81k4479,977.000000479,977.000000479.98k5325,228.000000325,228.000000325.23k6314,238.000000314,238.000000314.24k7313,961.000000313,961.000000313.96k8278,065.000000278,065.000000278.07k9162,158.000000162,158.000000162.16k10148,166.000000148,166.000000148.17k1162,449.00000062,449.00000062.45k1257,495.00000057,495.00000057.50k1353,994.00000053,994.00000053.99k1452,894.00000052,894.00000052.89k1546,835.00000046,835.00000046.84k1640,866.00000040,866.00000040.87k1730,221.00000030,221.00000030.22k1829,269.00000029,269.00000029.27k1928,288.00000028,288.00000028.29k2026,006.00000026,006.00000026.01k2124,225.00000024,225.00000024.23k2223,980.00000023,980.00000023.98k2323,472.00000023,472.00000023.47k2421,862.00000021,862.00000021.86k2518,507.00000018,507.00000018.51k2618,440.00000018,440.00000018.44k2717,543.00000017,543.00000017.54k2816,440.00000016,440.00000016.44k2916,353.00000016,353.00000016.35k3015,889.00000015,889.00000015.89k3114,490.00000014,490.00000014.49k3214,322.00000014,322.00000014.32k3313,034.00000013,034.00000013.03k3412,355.00000012,355.00000012.36k3512,121.00000012,121.00000012.12k3611,623.00000011,623.00000011.62k3710,150.00000010,150.00000010.15k389,238.0000009,238.0000009.24k398,213.0000008,213.0000008.21k408,174.0000008,174.0000008.17k417,767.0000007,767.0000007.77k427,401.0000007,401.0000007.40k436,658.0000006,658.0000006.66k446,521.0000006,521.0000006.52k456,255.0000006,255.0000006.26k465,816.0000005,816.0000005.82k475,708.0000005,708.0000005.71k485,537.0000005,537.0000005.54k495,515.0000005,515.0000005.52k50
# rank of county out of 50 by population

Population Density by County#14

People per square mile (excluding waters).
Scope: population of Jefferson County and selected other counties in Colorado
0k1k2k3k4k#Denver CountyDenverBroomfield CountyBroomfieldArapahoe CountyArapahoeJefferson CountyJeffersonBoulder CountyBoulderAdams CountyAdamsDouglas CountyDouglasEl Paso CountyEl PasoLarimer CountyLarimerWeld CountyWeldPueblo CountyPuebloSummit CountySummitMesa CountyMesaTeller CountyTellerGilpin CountyGilpinLa Plata CountyLa PlataEagle CountyEagleFremont CountyFremontDelta CountyDeltaClear Creek CountyClear CreekAlamosa CountyAlamosaMorgan CountyMorganLake CountyLakeGarfield CountyGarfieldChaffee CountyChaffeeMontrose CountyMontrosePitkin CountyPitkinOtero CountyOteroElbert CountyElbertMontezuma CountyMontezumaRio Grande CountyRio GrandeLogan CountyLoganRoutt CountyRouttArchuleta CountyArchuletaGrand CountyGrandPark CountyParkProwers CountyProwersCrowley CountyCrowleyConejos CountyConejosSan Miguel CountySan MiguelGunnison CountyGunnisonYuma CountyYumaHuerfano CountyHuerfanoBent CountyBentKit Carson CountyKit CarsonLas Animas CountyLas AnimasMoffat CountyMoffatLincoln CountyLincolnRio Blanco CountyRio BlancoSaguache CountySaguache4,325.8627734,325.8627734.33k11,892.1971391,892.1971391.89k2774.088596774.0885960.77k3731.222917731.2229170.73k4432.250730432.2507300.43k5411.188580411.1885800.41k6373.975503373.9755030.37k7312.750707312.7507070.31k8125.271651125.2716510.13k969.73998369.7399830.07k1067.96020767.9602070.07k1148.11305448.1130540.05k1244.50848144.5084810.04k1342.13679842.1367980.04k1438.07972438.0797240.04k1531.95324131.9532410.03k1631.40012831.4001280.03k1730.54957030.5495700.03k1826.46121126.4612110.03k1923.37570323.3757030.02k2022.63149822.6314980.02k2122.09162522.0916250.02k2219.63551619.6355160.02k2319.50613119.5061310.02k2418.26213418.2621340.02k2518.23604818.2360480.02k2618.07250018.0725000.02k2714.61217714.6121770.01k2813.08863713.0886370.01k2912.81539112.8153910.01k3012.74512812.7451280.01k3111.89057911.8905790.01k3210.15232910.1523290.01k339.1512419.1512410.01k347.8475297.8475290.01k357.4935117.4935110.01k367.3980977.3980970.01k377.0317847.0317840.01k386.3793856.3793850.01k396.0362486.0362480.01k404.9053124.9053120.00k414.2928474.2928470.00k424.0985954.0985950.00k433.8443613.8443610.00k443.7828213.7828210.00k453.0006683.0006680.00k462.7479092.7479090.00k472.1395212.1395210.00k482.0670792.0670790.00k491.9740791.9740790.00k50
# rank of county out of 50 by population density

Population by County in the United States

There are 3,142 counties in the United States. This section compares Jefferson County to the 50 most populous counties in the United States. The least populous of the compared counties has a population of 941,618.

Total Population by County#15

Scope: population of Jefferson County and selected other counties in the United States
0M2M4M6M8M10M#Los Angeles CountyLos AngelesCook CountyCookHarris CountyHarrisMaricopa CountyMaricopaSan Diego CountySan DiegoOrange CountyOrangeMiami-Dade CountyMiami-DadeKings CountyKingsDallas CountyDallasRiverside CountyRiversideQueens CountyQueensSan Bernardino CountySan BernardinoKing CountyKingClark CountyClarkTarrant CountyTarrantSanta Clara CountySanta ClaraBroward CountyBrowardBexar CountyBexarWayne CountyWayneNew York CountyNew YorkAlameda CountyAlamedaMiddlesex CountyMiddlesexPhiladelphia CountyPhiladelphiaSuffolk CountySuffolkSacramento CountySacramentoBronx CountyBronxPalm Beach CountyPalm BeachNassau CountyNassauHillsborough CountyHillsboroughCuyahoga CountyCuyahogaOrange CountyOrangeOakland CountyOaklandFranklin CountyFranklinAllegheny CountyAlleghenyHennepin CountyHennepinTravis CountyTravisFairfax CountyFairfaxContra Costa CountyContra CostaSalt Lake CountySalt LakeMontgomery CountyMontgomeryMecklenburg CountyMecklenburgPima CountyPimaSt. Louis CountySt. LouisWake CountyWakeFulton CountyFultonHonolulu CountyHonoluluWestchester CountyWestchesterFresno CountyFresnoMilwaukee CountyMilwaukeeFairfield CountyFairfieldJefferson CountyJefferson10,057,155.00000010,057,155.00000010.06M15,227,575.0000005,227,575.0000005.23M24,434,257.0000004,434,257.0000004.43M34,088,549.0000004,088,549.0000004.09M43,253,356.0000003,253,356.0000003.25M53,132,211.0000003,132,211.0000003.13M62,664,418.0000002,664,418.0000002.66M72,606,852.0000002,606,852.0000002.61M82,513,054.0000002,513,054.0000002.51M92,323,892.0000002,323,892.0000002.32M102,310,011.0000002,310,011.0000002.31M112,106,754.0000002,106,754.0000002.11M122,079,550.0000002,079,550.0000002.08M132,070,153.0000002,070,153.0000002.07M141,947,529.0000001,947,529.0000001.95M151,885,056.0000001,885,056.0000001.89M161,863,780.0000001,863,780.0000001.86M171,858,699.0000001,858,699.0000001.86M181,767,593.0000001,767,593.0000001.77M191,634,989.0000001,634,989.0000001.63M201,605,217.0000001,605,217.0000001.61M211,567,610.0000001,567,610.0000001.57M221,559,938.0000001,559,938.0000001.56M231,498,130.0000001,498,130.0000001.50M241,479,300.0000001,479,300.0000001.48M251,436,785.0000001,436,785.0000001.44M261,398,757.0000001,398,757.0000001.40M271,356,801.0000001,356,801.0000001.36M281,323,059.0000001,323,059.0000001.32M291,258,710.0000001,258,710.0000001.26M301,256,055.0000001,256,055.0000001.26M311,235,215.0000001,235,215.0000001.24M321,232,118.0000001,232,118.0000001.23M331,230,360.0000001,230,360.0000001.23M341,209,265.0000001,209,265.0000001.21M351,148,176.0000001,148,176.0000001.15M361,132,887.0000001,132,887.0000001.13M371,107,925.0000001,107,925.0000001.11M381,092,518.0000001,092,518.0000001.09M391,026,371.0000001,026,371.0000001.03M401,011,774.0000001,011,774.0000001.01M411,003,338.0000001,003,338.0000001.00M421,000,560.0000001,000,560.0000001.00M43998,576.000000998,576.0000001.00M44996,757.000000996,757.0000001.00M45986,999.000000986,999.0000000.99M46969,229.000000969,229.0000000.97M47963,160.000000963,160.0000000.96M48955,306.000000955,306.0000000.96M49941,618.000000941,618.0000000.94M50558,810.000000558,810.0000000.56M
# rank of county out of 50 by population

Population Density by County#16

People per square mile (excluding waters).
Scope: population of Jefferson County and selected other counties in the United States
0k10k20k30k40k50k60k70k#New York CountyNew YorkKings CountyKingsBronx CountyBronxQueens CountyQueensPhiladelphia CountyPhiladelphiaCook CountyCookNassau CountyNassauOrange CountyOrangeMilwaukee CountyMilwaukeeFairfax CountyFairfaxWayne CountyWayneDallas CountyDallasCuyahoga CountyCuyahogaHarris CountyHarrisLos Angeles CountyLos AngelesFranklin CountyFranklinTarrant CountyTarrantWestchester CountyWestchesterHennepin CountyHennepinAlameda CountyAlamedaMontgomery CountyMontgomerySt. Louis CountySt. LouisMecklenburg CountyMecklenburgMiddlesex CountyMiddlesexFulton CountyFultonAllegheny CountyAlleghenyHonolulu CountyHonoluluSuffolk CountySuffolkBroward CountyBrowardSacramento CountySacramentoContra Costa CountyContra CostaFairfield CountyFairfieldBexar CountyBexarSalt Lake CountySalt LakeSanta Clara CountySanta ClaraOakland CountyOaklandMiami-Dade CountyMiami-DadeOrange CountyOrangeHillsborough CountyHillsboroughWake CountyWakeTravis CountyTravisKing CountyKingSan Diego CountySan DiegoJefferson CountyJeffersonPalm Beach CountyPalm BeachMaricopa CountyMaricopaRiverside CountyRiversideClark CountyClarkFresno CountyFresnoPima CountyPimaSan Bernardino CountySan Bernardino72,167.60597972,167.60597972.17k137,340.67621837,340.67621837.34k234,167.96880134,167.96880134.17k321,237.94747821,237.94747821.24k411,625.88366911,625.88366911.63k55,531.8762675,531.8762675.53k64,763.9163794,763.9163794.76k73,961.7034453,961.7034453.96k83,953.6841943,953.6841943.95k92,898.4456972,898.4456972.90k102,888.1522602,888.1522602.89k112,878.4220552,878.4220552.88k122,753.3818582,753.3818582.75k132,600.9540812,600.9540812.60k142,478.2396272,478.2396272.48k152,314.3614822,314.3614822.31k162,254.9978792,254.9978792.25k172,251.3192932,251.3192932.25k182,184.2050692,184.2050692.18k192,171.8733742,171.8733742.17k202,081.8544912,081.8544912.08k211,970.4926601,970.4926601.97k221,932.3437311,932.3437311.93k231,917.0752881,917.0752881.92k241,892.4081641,892.4081641.89k251,685.2478291,685.2478291.69k261,643.3391511,643.3391511.64k271,643.1276081,643.1276081.64k281,544.1986571,544.1986571.54k291,533.0483871,533.0483871.53k301,532.9159351,532.9159351.53k311,506.6615071,506.6615071.51k321,499.0984171,499.0984171.50k331,472.2923611,472.2923611.47k341,459.9180661,459.9180661.46k351,423.9503141,423.9503141.42k361,403.3126861,403.3126861.40k371,390.4953151,390.4953151.39k381,296.7175361,296.7175361.30k391,196.1706231,196.1706231.20k401,157.6775431,157.6775431.16k41982.963629982.9636290.98k42773.385727773.3857270.77k43731.222917731.2229170.73k710.067520710.0675200.71k44444.446561444.4465610.44k45322.481032322.4810320.32k46262.321925262.3219250.26k47161.637031161.6370310.16k48109.210256109.2102560.11k49105.036867105.0368670.11k50
# rank of county out of 50 by population density

Definitions

This page reports on the population distribution in Jefferson County, 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.

More Topics to Explore

Demographics

Income

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More Maps to Explore

Principal City:
Lakewood
Cities:
Arvada, Edgewater, Golden, Lakewood, Littleton, Westminster, Wheat Ridge
Towns:
Bow Mar, Lakeside, Morrison, Mountain View, Superior
Unincorporated Places:
Applewood, Aspen Park, Coal Creek, Columbine, Dakota Ridge, East Pleasant View, Evergreen, Fairmount, Genesee, Idledale, Indian Hills, Ken Caryl, Kittredge, West Pleasant View
ZIP Codes:
80002, 80003, 80004, 80005, 80007, 80020, 80021, 80027, 80031, 80033, 80123, 80127, 80128, 80135, 80212, 80214, 80215, 80226, 80227, 80228, 80232, 80235, 80401, 80403, 80419, 80421, 80425, 80433, 80439, 80453, 80454, 80457, 80465, 80470
Unified School District:
Jefferson County R-1
Congressional Districts:
CO-1, CO-2, CO-7
State Senate Districts:
CO-16, CO-19, CO-20, CO-22
State House Districts:
CO-1, CO-22, CO-23, CO-24, CO-25, CO-27, CO-28, CO-29
Neighboring Counties:
Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver, Douglas, Gilpin, Park, Teller
Nearby Counties:
Grand, Summit