Population of Johnson County, Iowa (County)

Map of Population by County Subdivision in Johnson County

Population Density Population by County Subdivision#1

Population per square mile of land (excluding water areas):
0/mi²600/mi²1,100/mi²1,700/mi²2,200/mi²2,800/mi²

Population Population by County Subdivision#2

Total population:
0k15k29k43k58k73k
Road Data ©OpenStreetMap

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Map of Population by Tract in Johnson County

Population Density Population by Tract#3

Population per square mile of land (excluding water areas):
0/mi²3,600/mi²7,200/mi²10,800/mi²14,300/mi²18,000/mi²

Population Population by Tract#4

Total population:
1,9004,4006,8009,30011,70014,200
Road Data ©OpenStreetMap

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Map of Population by Block Group in Johnson County

Population Density Population by Block Group#5

Population per square mile of land (excluding water areas):
0/mi²4,800/mi²9,700/mi²14,500/mi²19,300/mi²24,200/mi²

Population Population by Block Group#6

Total population:
5001,9003,2004,5005,9007,300
Road Data ©OpenStreetMap

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Population by Place in Johnson County

There are 13 places that are fully or partially contained within Johnson County (12 fully and 1 partially). This section compares all 13 of those to each other.

Total Population by Place#7

Scope: population of selected places in Johnson County
0k10k20k30k40k50k60k70k#Iowa CityCoralvilleNorth LibertyWest BranchTiffinSolonLone TreeUniversity HeightsUniv HtsOxfordSwisherHillsShueyvilleFrytown72,385.00000072,385.00000072.39k120,078.00000020,078.00000020.08k216,984.00000016,984.00000016.98k32,581.0000002,581.0000002.58k42,530.0000002,530.0000002.53k52,399.0000002,399.0000002.40k61,482.0000001,482.0000001.48k71,255.0000001,255.0000001.26k8874.000000874.0000000.87k9846.000000846.0000000.85k10730.000000730.0000000.73k11570.000000570.0000000.57k1284.00000084.0000000.08k13
# rank of place out of 13 by population

Population Density by Place#8

People per square mile (excluding waters).
Scope: population of selected places in Johnson County
0k1k2k3k4k#University HeightsUniv HtsIowa CityNorth LibertySolonCoralvilleLone TreeSwisherHillsOxfordWest BranchTiffinShueyvilleFrytown4,628.5021734,628.5021734.63k12,791.1681542,791.1681542.79k21,918.6786641,918.6786641.92k31,869.2770191,869.2770191.87k41,598.0004681,598.0004681.60k51,395.7178921,395.7178921.40k61,049.0505921,049.0505921.05k7979.573425979.5734250.98k8960.268106960.2681060.96k9809.138708809.1387080.81k10615.619669615.6196690.62k11305.337152305.3371520.31k12103.687708103.6877080.10k13
# rank of place out of 13 by population density

Population by County Subdivision in Johnson County

There are 22 county subdivisions in Johnson County. This section compares all 22 of those to each other.

Total Population by County Subdivision#9

Scope: population of selected county subdivisions in Johnson County
0k10k20k30k40k50k60k70k#Iowa CityPenn TownshipWest Lucas TownshipW LucasClear Creek TownshipClear CrkJefferson TownshipJeffersonBig Grove TownshipBig GrvMadison TownshipMadisonNewport TownshipNewportOxford TownshipOxfordFremont TownshipFremontScott TownshipScottSharon TownshipSharonWashington TownshipWashingtonLiberty TownshipLibertyUnion TownshipUnionHardin TownshipHardinEast Lucas TownshipE LucasMonroe TownshipMonroeCedar TownshipCedarGraham TownshipGrahamLincoln TownshipLincolnPleasant Valley TownshipPleasant Vly72,385.00000072,385.00000072.39k127,400.00000027,400.00000027.40k28,178.0000008,178.0000008.18k36,119.0000006,119.0000006.12k44,352.0000004,352.0000004.35k54,014.0000004,014.0000004.01k63,824.0000003,824.0000003.82k72,165.0000002,165.0000002.17k81,946.0000001,946.0000001.95k91,920.0000001,920.0000001.92k101,796.0000001,796.0000001.80k111,689.0000001,689.0000001.69k121,518.0000001,518.0000001.52k131,128.0000001,128.0000001.13k14633.000000633.0000000.63k15564.000000564.0000000.56k16558.000000558.0000000.56k17521.000000521.0000000.52k18511.000000511.0000000.51k19354.000000354.0000000.35k20267.000000267.0000000.27k21164.000000164.0000000.16k22
# rank of county subdivision out of 22 by population

Population Density by County Subdivision#10

People per square mile (excluding waters).
Scope: population of selected county subdivisions in Johnson County
05001,0001,5002,0002,500#Iowa CityPenn TownshipWest Lucas TownshipW LucasClear Creek TownshipClear CrkJefferson TownshipJeffersonMadison TownshipMadisonBig Grove TownshipBig GrvEast Lucas TownshipE LucasNewport TownshipNewportScott TownshipScottLiberty TownshipLibertySharon TownshipSharonOxford TownshipOxfordFremont TownshipFremontWashington TownshipWashingtonUnion TownshipUnionMonroe TownshipMonroeHardin TownshipHardinCedar TownshipCedarGraham TownshipGrahamLincoln TownshipLincolnPleasant Valley TownshipPleasant Vly2,791.1681542,791.1681542,79111,290.0228301,290.0228301,2902904.218056904.2180569043257.896927257.8969272584171.393678171.3936781715164.406849164.4068491646130.605096130.6050961317125.613808125.613808126893.46687793.46687793952.18930352.189303521049.95700449.957004501146.58099046.580990471246.08580346.085803461345.82004345.820043461441.62394141.623941421518.72718018.727180191617.33558717.335587171716.53541716.535417171814.45978114.459781141911.65851511.658515122010.88933910.88933911216.5436746.543674722
# rank of county subdivision out of 22 by population density

Population by County in the Iowa City Area

There are 2 counties in the Iowa City Area. This section compares Johnson County to all of the counties in the Iowa City Area.

Total Population by County#11

Scope: population of Johnson County and selected other counties in the Iowa City Area
0k20k40k60k80k100k120k140k#Johnson CountyJohnsonWashington CountyWashington142,006.000000142,006.000000142.01k122,115.00000022,115.00000022.12k2
# rank of county out of 2 by population

Population Density by County#12

People per square mile (excluding waters).
Scope: population of Johnson County and selected other counties in the Iowa City Area
050100150200#Johnson CountyJohnsonWashington CountyWashington231.267430231.267430231138.87647238.876472392
# rank of county out of 2 by population density

Population by County in Iowa

There are 99 counties in Iowa. This section compares Johnson County to the 50 most populous counties in Iowa. The least populous of the compared counties has a population of 15,552.

Total Population by County#13

Scope: population of Johnson County and selected other counties in Iowa
0k100k200k300k400k#Polk CountyPolkLinn CountyLinnScott CountyScottJohnson CountyJohnsonBlack Hawk CountyBlack HawkWoodbury CountyWoodburyDubuque CountyDubuqueStory CountyStoryPottawattamie CountyPottawattamieDallas CountyDallasWarren CountyWarrenClinton CountyClintonCerro Gordo CountyCerro GordoMuscatine CountyMuscatineMarshall CountyMarshallDes Moines CountyDes MoinesWebster CountyWebsterJasper CountyJasperWapello CountyWapelloLee CountyLeeSioux CountySiouxMarion CountyMarionBoone CountyBooneBenton CountyBentonPlymouth CountyPlymouthBremer CountyBremerMahaska CountyMahaskaWashington CountyWashingtonBuchanan CountyBuchananWinneshiek CountyWinneshiekCarroll CountyCarrollJones CountyJonesBuena Vista CountyBuena VistaFayette CountyFayetteHenry CountyHenryJackson CountyJacksonPoweshiek CountyPoweshiekCedar CountyCedarClayton CountyClaytonJefferson CountyJeffersonDelaware CountyDelawareTama CountyTamaHardin CountyHardinCrawford CountyCrawfordDickinson CountyDickinsonClay CountyClayIowa CountyIowaFloyd CountyFloydMadison CountyMadisonPage CountyPage459,159.000000459,159.000000459.16k1218,076.000000218,076.000000218.08k2171,116.000000171,116.000000171.12k3142,006.000000142,006.000000142.01k4132,821.000000132,821.000000132.82k5102,426.000000102,426.000000102.43k696,359.00000096,359.00000096.36k794,834.00000094,834.00000094.83k893,198.00000093,198.00000093.20k978,074.00000078,074.00000078.07k1048,170.00000048,170.00000048.17k1147,972.00000047,972.00000047.97k1243,303.00000043,303.00000043.30k1342,949.00000042,949.00000042.95k1440,735.00000040,735.00000040.74k1540,114.00000040,114.00000040.11k1637,050.00000037,050.00000037.05k1736,715.00000036,715.00000036.72k1835,242.00000035,242.00000035.24k1935,172.00000035,172.00000035.17k2034,621.00000034,621.00000034.62k2133,197.00000033,197.00000033.20k2226,411.00000026,411.00000026.41k2325,720.00000025,720.00000025.72k2424,972.00000024,972.00000024.97k2524,663.00000024,663.00000024.66k2622,324.00000022,324.00000022.32k2722,115.00000022,115.00000022.12k2821,031.00000021,031.00000021.03k2920,789.00000020,789.00000020.79k3020,555.00000020,555.00000020.56k3120,481.00000020,481.00000020.48k3220,445.00000020,445.00000020.45k3320,391.00000020,391.00000020.39k3419,941.00000019,941.00000019.94k3519,529.00000019,529.00000019.53k3618,622.00000018,622.00000018.62k3718,389.00000018,389.00000018.39k3817,735.00000017,735.00000017.74k3917,662.00000017,662.00000017.66k4017,445.00000017,445.00000017.45k4117,423.00000017,423.00000017.42k4217,324.00000017,324.00000017.32k4317,147.00000017,147.00000017.15k4417,046.00000017,046.00000017.05k4516,478.00000016,478.00000016.48k4616,326.00000016,326.00000016.33k4716,004.00000016,004.00000016.00k4815,661.00000015,661.00000015.66k4915,552.00000015,552.00000015.55k50
# rank of county out of 50 by population

Population Density by County#14

People per square mile (excluding waters).
Scope: population of Johnson County and selected other counties in Iowa
0100200300400500600700800#Polk CountyPolkScott CountyScottLinn CountyLinnBlack Hawk CountyBlack HawkJohnson CountyJohnsonStory CountyStoryDubuque CountyDubuqueDallas CountyDallasWoodbury CountyWoodburyMuscatine CountyMuscatinePottawattamie CountyPottawattamieDes Moines CountyDes MoinesWarren CountyWarrenWapello CountyWapelloCerro Gordo CountyCerro GordoMarshall CountyMarshallClinton CountyClintonLee CountyLeeMarion CountyMarionBremer CountyBremerWebster CountyWebsterJasper CountyJasperBoone CountyBooneHenry CountyHenrySioux CountySiouxDickinson CountyDickinsonJefferson CountyJeffersonMahaska CountyMahaskaWashington CountyWashingtonBuchanan CountyBuchananCarroll CountyCarrollBenton CountyBentonJones CountyJonesBuena Vista CountyBuena VistaFloyd CountyFloydPoweshiek CountyPoweshiekCedar CountyCedarJackson CountyJacksonHardin CountyHardinDelaware CountyDelawareWinneshiek CountyWinneshiekPage CountyPageClay CountyClayPlymouth CountyPlymouthMadison CountyMadisonFayette CountyFayetteIowa CountyIowaTama CountyTamaCrawford CountyCrawfordClayton CountyClayton800.368330800.3683308001373.543011373.5430113742304.193640304.1936403043234.756406234.7564062354231.267430231.2674302315165.596746165.5967461666158.407204158.4072041587132.688132132.6881321338117.340402117.340402117998.18149998.181499981098.04518298.045182981196.40285796.402857961284.53400284.534002851381.60894081.608940821476.19787276.197872761571.15246071.152460711669.03254669.032546691767.96225467.962254681859.86936059.869360601956.63418756.634187572051.77338851.773388522150.26574750.265747502246.20768546.207685462345.91262345.912623462445.08733445.087334452544.78650044.786500452640.55424240.554242412739.10571939.105719392838.87647238.876472392936.83059036.830590373036.09705636.097056363135.90850835.908508363235.58069435.580694363335.56259035.562590363431.96758931.967589323531.83696631.836966323631.73606631.736066323730.70411030.704110313830.42978230.429782303930.19439730.194397304030.13536030.135360304129.07222429.072224294229.04953929.049539294328.94202528.942025294427.91591627.915916284527.90115427.901154284627.83837027.838370284724.16466424.164664244824.00902724.009027244922.78101222.7810122350
# 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 Johnson 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 Johnson 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 CountyFairfieldJohnson CountyJohnson10,057,155.00000010,057,155.00000010.06M15,227,575.0000005,227,575.0000005.23M24,434,257.0000004,434,257.0000004.43M34,088,549.0000004,088,549.0000004.09M43,253,356.0000003,253,356.0000003.25M53,132,211.0000003,132,211.0000003.13M62,664,418.0000002,664,418.0000002.66M72,606,852.0000002,606,852.0000002.61M82,513,054.0000002,513,054.0000002.51M92,323,892.0000002,323,892.0000002.32M102,310,011.0000002,310,011.0000002.31M112,106,754.0000002,106,754.0000002.11M122,079,550.0000002,079,550.0000002.08M132,070,153.0000002,070,153.0000002.07M141,947,529.0000001,947,529.0000001.95M151,885,056.0000001,885,056.0000001.89M161,863,780.0000001,863,780.0000001.86M171,858,699.0000001,858,699.0000001.86M181,767,593.0000001,767,593.0000001.77M191,634,989.0000001,634,989.0000001.63M201,605,217.0000001,605,217.0000001.61M211,567,610.0000001,567,610.0000001.57M221,559,938.0000001,559,938.0000001.56M231,498,130.0000001,498,130.0000001.50M241,479,300.0000001,479,300.0000001.48M251,436,785.0000001,436,785.0000001.44M261,398,757.0000001,398,757.0000001.40M271,356,801.0000001,356,801.0000001.36M281,323,059.0000001,323,059.0000001.32M291,258,710.0000001,258,710.0000001.26M301,256,055.0000001,256,055.0000001.26M311,235,215.0000001,235,215.0000001.24M321,232,118.0000001,232,118.0000001.23M331,230,360.0000001,230,360.0000001.23M341,209,265.0000001,209,265.0000001.21M351,148,176.0000001,148,176.0000001.15M361,132,887.0000001,132,887.0000001.13M371,107,925.0000001,107,925.0000001.11M381,092,518.0000001,092,518.0000001.09M391,026,371.0000001,026,371.0000001.03M401,011,774.0000001,011,774.0000001.01M411,003,338.0000001,003,338.0000001.00M421,000,560.0000001,000,560.0000001.00M43998,576.000000998,576.0000001.00M44996,757.000000996,757.0000001.00M45986,999.000000986,999.0000000.99M46969,229.000000969,229.0000000.97M47963,160.000000963,160.0000000.96M48955,306.000000955,306.0000000.96M49941,618.000000941,618.0000000.94M50142,006.000000142,006.0000000.14M
# rank of county out of 50 by population

Population Density by County#16

People per square mile (excluding waters).
Scope: population of Johnson 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 DiegoPalm Beach CountyPalm BeachMaricopa CountyMaricopaRiverside CountyRiversideClark CountyClarkJohnson CountyJohnsonFresno CountyFresnoPima CountyPimaSan Bernardino CountySan Bernardino72,167.60597972,167.60597972.17k137,340.67621837,340.67621837.34k234,167.96880134,167.96880134.17k321,237.94747821,237.94747821.24k411,625.88366911,625.88366911.63k55,531.8762675,531.8762675.53k64,763.9163794,763.9163794.76k73,961.7034453,961.7034453.96k83,953.6841943,953.6841943.95k92,898.4456972,898.4456972.90k102,888.1522602,888.1522602.89k112,878.4220552,878.4220552.88k122,753.3818582,753.3818582.75k132,600.9540812,600.9540812.60k142,478.2396272,478.2396272.48k152,314.3614822,314.3614822.31k162,254.9978792,254.9978792.25k172,251.3192932,251.3192932.25k182,184.2050692,184.2050692.18k192,171.8733742,171.8733742.17k202,081.8544912,081.8544912.08k211,970.4926601,970.4926601.97k221,932.3437311,932.3437311.93k231,917.0752881,917.0752881.92k241,892.4081641,892.4081641.89k251,685.2478291,685.2478291.69k261,643.3391511,643.3391511.64k271,643.1276081,643.1276081.64k281,544.1986571,544.1986571.54k291,533.0483871,533.0483871.53k301,532.9159351,532.9159351.53k311,506.6615071,506.6615071.51k321,499.0984171,499.0984171.50k331,472.2923611,472.2923611.47k341,459.9180661,459.9180661.46k351,423.9503141,423.9503141.42k361,403.3126861,403.3126861.40k371,390.4953151,390.4953151.39k381,296.7175361,296.7175361.30k391,196.1706231,196.1706231.20k401,157.6775431,157.6775431.16k41982.963629982.9636290.98k42773.385727773.3857270.77k43710.067520710.0675200.71k44444.446561444.4465610.44k45322.481032322.4810320.32k46262.321925262.3219250.26k47231.267430231.2674300.23k161.637031161.6370310.16k48109.210256109.2102560.11k49105.036867105.0368670.11k50
# rank of county out of 50 by population density

Definitions

This page reports on the population distribution in Johnson 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

Education

More Maps to Explore

Principal City:
Iowa City
Cities:
Coralville, Hills, Iowa City, Lone Tree, North Liberty, Oxford, Shueyville, Solon, Swisher, Tiffin, University Heights, West Branch
Townships:
Big Grove, Cedar, Clear Creek, East Lucas, Fremont, Graham, Hardin, Jefferson, Liberty, Lincoln, Madison, Monroe, Newport, Oxford, Penn, Pleasant Valley, Scott, Sharon, Union, Washington, West Lucas
Unincorporated Places:
Frytown
ZIP Codes:
52203, 52228, 52235, 52240, 52241, 52242, 52245, 52246, 52247, 52253, 52317, 52322, 52325, 52327, 52333, 52338, 52340, 52356, 52358, 52404, 52755
Unified School Districts:
Clear Creek-Amana, College, Highland, Iowa City, Lisbon, Lone Tree, Mid-Prairie, Mount Vernon, Solon, West Branch, West Liberty, Williamsburg
Congressional District:
IA-2
State Senate Districts:
IA-37, IA-39, IA-43
State House Districts:
IA-73, IA-74, IA-77, IA-85, IA-86
Neighboring Counties:
Benton, Cedar, Iowa, Linn, Louisa, Muscatine, Washington
Nearby Counties:
Buchanan, Delaware, Des Moines, Henry, Jefferson, Jones, Keokuk, Mercer, Wapello