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Johnson County, IA ZIP Codes

Iowa (IA)  ·  14 ZIP codes  ·  9 cities
14
ZIP codes
154,748
population (2021)
+18.2%
pop change since 2010
19103
FIPS code
Johnson County ZIP code map
About Johnson County
Johnson County is located in Iowa and contains 14 ZIP codes across 9 cities and communities. The county's population was 154,748 as of 2021, an increase of 18.2% from 130,882 in 2010. The timezone is Mountain Time (observes DST). The Federal Information Processing System (FIPS) code for Johnson County is 19103.
Population
2021 population154,748
2010 population130,882
Change+18.2%
County details
StateIowa
FIPS code19103
TimezoneMountain
Daylight savingYes
Cities in Johnson County
Coralville Hills Iowa City Lone Tree North Liberty Oxford Solon Swisher Tiffin
ZIP codes for Johnson County, IA (14)
ZIP code City County Map
52235 Hills Johnson View map
52240 Iowa City Johnson View map
52241 Coralville Johnson View map
52242 Iowa City Johnson View map
52243 Iowa City Johnson View map
52244 Iowa City Johnson View map
52245 Iowa City Johnson View map
52246 Iowa City Johnson View map
52317 North Liberty Johnson View map
52322 Oxford Johnson View map
52333 Solon Johnson View map
52338 Swisher Johnson View map
52340 Tiffin Johnson View map
52755 Lone Tree Johnson View map

Demographics & statistics

150,111
Population
31.1
Median age
$71,971
Median household income
$42,202
Per capita income
$258,364
Median home value
$982
Median monthly rent
64.7%
Home ownership
14.0%
Poverty rate
5.1%
Unemployment
39,980
Housing units
43.8%
Bachelor's or higher

Age distribution

Male Female
4,007
Under 5
4,113
4,133
5–9
4,242
3,932
10–14
4,035
6,585
15–19
6,758
11,815
20–24
12,125
10,969
25–34
11,258
9,122
35–44
9,363
7,324
45–54
7,516
3,489
55–59
3,581
3,638
60–64
3,734
5,578
65–74
5,724
2,455
75–84
2,520
1,034
85+
1,061
← Male
Female →

Age summary

GroupCount%
Under 1829,20520.7%
18 and over120,90679.3%
65 and over18,37212.4%
Median age31.1 years

Race & ethnicity

White 75.7%
Black or African American 7.3%
Asian 6.1%
Two or more races 5.3%
Hispanic or Latino 3.6%
Other race 1.8%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.1%
GroupCount%
White117,94075.7%
Black or African American11,3287.3%
Asian9,4416.1%
Two or more races8,1945.3%
Hispanic or Latino5,5933.6%
Other race2,8431.8%
American Indian / Alaska Native2850.2%
Native Hawaiian / Pacific Islander800.1%

Household income

Under $10k 6.7%
$10k–$15k 2.7%
$15k–$25k 5.6%
$25k–$35k 5.6%
$35k–$50k 13.0%
$50k–$75k 16.7%
$75k–$100k 11.1%
$100k–$150k 19.1%
$150k–$200k 8.8%
$200k+ 10.6%
Range% of households
Under $10k6.7%
$10k–$15k2.7%
$15k–$25k5.6%
$25k–$35k5.6%
$35k–$50k13.0%
$50k–$75k16.7%
$75k–$100k11.1%
$100k–$150k19.1%
$150k–$200k8.8%
$200k+10.6%
Median income$71,971

Housing

Home values

Under $50k 3.4%
$50k–$100k 3.0%
$100k–$150k 6.6%
$150k–$200k 10.1%
$200k–$300k 26.9%
$300k–$500k 28.3%
$500k–$1M 11.0%
$1M+ 1.8%

Housing overview

MetricValue
Median home value$258,364
Median rent / month$982
Owner occupied64.7%
Renter occupied35.3%
Vacant5.8%
Single-family detached56.4%
Large apartment buildings7.9%
Mobile homes6.4%
Median rooms5.7
Avg household size (owned)2.38

Year built

Era%
2020 or later1.0%
2010–201914.5%
2000–200919.3%
1990–199915.0%
1980–19898.0%
1970–197912.9%
1960–19697.6%
1950–19594.6%
1940–19491.6%
1939 or earlier15.6%

Bedrooms

Size% of units
No bedroom (studio)7.2%
1 bedroom6.1%
2 bedrooms21.4%
3 bedrooms36.6%
4 bedrooms20.0%
5+ bedrooms8.6%

Vehicles per household

Vehicles% of households
No vehicle5.8%
1 vehicle29.8%
2 vehicles40.4%
3 or more24.0%

Heating fuel

Fuel type%
Utility gas61.8%
Electricity21.4%
Propane / LP gas14.3%
Fuel oil0.4%
Wood0.4%
Solar0.1%
No fuel used0.7%

Households & families

Household typeCount%
Married-couple family25,81253.7%
Cohabiting couple4,8537.7%
Male householder, no spouse13,14015.6%
Female householder, no spouse16,28323.1%
Households with children under 1814,80225.7%
Households with seniors (65+)12,64321.2%
Average household size2.44

Marital status

StatusMaleFemale
Never married45.2%37.6%
Married47.6%46.5%
Separated0.3%1.6%
Widowed1.4%5.4%
Divorced5.4%8.9%

Education

Less than 9th grade 1.9%
Some HS, no diploma 2.7%
HS graduate 19.8%
Some college, no degree 20.2%
Associate's degree 11.7%
Bachelor's degree 24.9%
Graduate / professional 18.8%
Metric%
HS diploma or higher95.4%
Bachelor's or higher43.8%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool2,2765.9%
Kindergarten1,7543.7%
Elementary school12,75731.2%
High school6,28818.1%
College / grad school30,63641.1%

Employment

Industry of employment

Education & healthcare 36.9%
Retail trade 10.7%
Arts, food & hospitality 9.9%
Manufacturing 9.3%
Professional & management 7.3%
Finance & real estate 5.3%
Construction 5.3%
Other services 3.9%
Transportation & utilities 3.5%
Public administration 2.6%
Agriculture & mining 2.2%
Wholesale trade 1.7%
Information 1.4%

Occupation

Category%
Management, business & arts46.2%
Service18.0%
Sales & office19.0%
Natural resources & construction7.6%
Production & transportation9.3%

Employment type

Type%
Private sector70.6%
Government23.5%
Self-employed5.5%
Unpaid family workers0.4%

Commute

Method%
Drive alone66.9%
Carpool7.5%
Public transit2.9%
Walk9.3%
Other means1.9%
Avg commute (minutes)20.8

Poverty

All people 14.0%
Under 18 years 8.8%
18 and over 14.7%
Married-couple families 2.8%
Female-led households 21.6%

Income support

Source% of households
Social Security22.3%
Retirement income18.3%
Supplemental Security2.2%
Cash public assistance1.3%
Food stamps / SNAP5.2%

Health indicators

Condition%
High blood pressure23.2%
High cholesterol25.0%
Heart disease4.1%
Stroke1.9%
Asthma9.4%
Arthritis17.5%
Kidney disease2.0%
Pulmonary disease4.3%
Cancer5.0%
Behavior / access%
Binge drinking23.8%
No physical activity18.3%
Less than 7 hrs sleep29.0%
Fair or poor health9.4%
Poor mental health14.4%
Poor physical health7.3%
No health insurance8.2%
Visited doctor (checkup)71.9%
Visited dentist68.7%
Cholesterol screening84.6%
Teeth loss9.4%

Veterans & disability

VeteransCount%
Civilian veterans4,7304.6%
Disability%
Any disability8.8%
Under 183.2%
18–64 years7.7%
65 and over22.5%

Health insurance coverage

Type%
Private insurance83.7%
Public insurance25.0%
Uninsured under 192.6%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only141,99195.1%
Spanish7,7333.4%
Other Indo-European1,7240.8%
Asian & Pacific Islander1,6600.7%
Other languages2,1481.0%

Place of birth & citizenship

OriginCount%
Native born (US)133,27692.9%
Born in same state131,81392.2%
Born in different state84,83065.4%
Foreign born1,4630.6%
Naturalized citizen16,8357.1%
Not a US citizen5,84253.3%

Ancestry

AncestryCount%
Italian21,02614%
French16,15410.8%
Polish5,8723.9%
Arab4,7663.2%
English2,7931.9%
AncestryCount%
Dutch2,0691.4%
German6350.4%
Norwegian4160.3%
Irish3810.3%

Technology access

Metric% of households
Computer access36.0%
Internet access96.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Explore more Iowa ZIP codes
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