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Iowa ZIP Codes
Johnson County
Iowa City, IA
52240
52240 ZIP Code — Iowa City, IA
Johnson County, Iowa
ZIP code 52240 is located in
Iowa City ,
Iowa ,
within Johnson County .
It covers approximately 142.11 square miles and serves a population of
36,475 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 319 .
About ZIP code 52240
The housing stock consists of a mix of housing types. Much of the housing stock is relatively new, reflecting recent development activity. Median home value is $226,300. Owner-occupancy sits near the national average at 50%.
The gap between median ($52,727) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 27% of residents, above the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 17 minutes is near the national average.
Educational attainment is high — 46% of residents hold a bachelor's degree or higher, well above the national average of 33%.
52240 ZIP code map
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Cities in ZIP code 52240
Below are the cities the US Postal Service accepts for ZIP code 52240. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
36,475
Population density
257 / sq mi
State FIPS
19
County FIPS
103
Geography
Land area
142.11 sq mi
Water area
1.12 sq mi
Latitude
41.6426
Longitude
-91.5416
Timezone
Central (CT)
Area code
319
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
52.7%
41.3%
40.1%
$50k – $100k
27.4%
27.5%
33.4%
$100k – $200k
14.9%
23.2%
21.5%
Over $200k
5.1%
7.9%
5.0%
Demographics & statistics
$52,727
Median household income
$226,300
Median home value
$1,080
Median monthly rent
46.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 6,119 16.8%
18 and over 30,356 83.2%
65 and over 4,086 11.2%
Median age 26.7 years
Race & ethnicity
Black or African American
8.3%
American Indian / Alaska Native
0.2%
Group Count %
White 28,082 73.5%
Black or African American 3,179 8.3%
Asian 2,174 5.7%
Two or more races 1,958 5.1%
Hispanic or Latino 1,749 4.6%
Other race 1,011 2.6%
American Indian / Alaska Native 71 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
52.7%
41.3%
40.1%
$50k – $100k
27.4%
27.5%
33.4%
$100k – $200k
14.9%
23.2%
21.5%
Over $200k
5.1%
7.9%
5.0%
Range % of households
Under $10k 9.3%
$10k–$15k 7.1%
$15k–$25k 10.2%
$25k–$35k 9.0%
$35k–$50k 11.9%
$50k–$75k 16.6%
$75k–$100k 9.9%
$100k–$150k 14.1%
$150k–$200k 5.0%
$200k+ 6.8%
Median income $52,727
Housing
Housing overview
Metric Value
Median home value $226,300
Median rent / month $1,080
Owner occupied 50.3%
Renter occupied 49.7%
Vacant 9.2%
Single-family detached 44.4%
Large apartment buildings 16.6%
Mobile homes 6.6%
Median rooms 5.0
Avg household size (owned) 2.47
Year built
Era %
2020 or later 0.4%
2010–2019 15.5%
2000–2009 8.4%
1990–1999 15.1%
1980–1989 13.7%
1970–1979 15.1%
1960–1969 6.7%
1950–1959 7.7%
1940–1949 3.4%
1939 or earlier 14.0%
Bedrooms
Size % of units
No bedroom (studio) 4.4%
1 bedroom 14.8%
2 bedrooms 28.4%
3 bedrooms 31.9%
4 bedrooms 14.3%
5+ bedrooms 6.2%
Vehicles per household
Vehicles % of households
No vehicle 12.9%
1 vehicle 34.1%
2 vehicles 36.1%
3 or more 16.9%
Heating fuel
Fuel type %
Utility gas 65.2%
Electricity 28.1%
Propane / LP gas 4.7%
Wood 0.5%
No fuel used 1.0%
Households & families
Household type Count %
Married-couple family 5,177 34.0%
Cohabiting couple 1,167 7.7%
Male householder, no spouse 4,105 26.9%
Female householder, no spouse 4,796 31.5%
Households with children under 18 2,950 19.4%
Households with seniors (65+) 2,920 19.2%
Average household size 2.36
Marital status
Status Male Female
Never married 55.4% 53.2%
Married 37.2% 33.5%
Separated 0.6% 0.5%
Widowed 1.0% 4.2%
Divorced 5.7% 8.7%
Education
Some college, no degree
18.6%
Graduate / professional
18.5%
Metric %
HS diploma or higher 94.0%
Bachelor's or higher 46.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 447 3.1%
Kindergarten 351 2.4%
Elementary school 2,515 17.3%
High school 1,188 8.2%
College / grad school 10,047 69.1%
Employment
Industry of employment
Education & healthcare
37.3%
Arts, food & hospitality
13.5%
Professional & management
6.8%
Transportation & utilities
3.6%
Finance & real estate
3.5%
Public administration
1.9%
Agriculture & mining
1.7%
Occupation
Category %
Management, business & arts 42.8%
Service 20.3%
Sales & office 19.8%
Natural resources & construction 6.3%
Production & transportation 10.8%
Employment type
Type %
Private sector 69.8%
Government 25.5%
Self-employed 4.5%
Unpaid family workers 0.2%
Commute
Method %
Drive alone 67.1%
Carpool 7.5%
Public transit 3.4%
Walk 11.3%
Work from home 7.4%
Other means 3.3%
Avg commute (minutes) 17.0
Poverty
Married-couple families
4.2%
Female-led households
20.5%
Income support
Source % of households
Social Security 21.5%
Retirement income 17.7%
Supplemental Security 4.0%
Cash public assistance 2.6%
Food stamps / SNAP 9.0%
Health indicators
Condition %
Obesity 29.5%
High blood pressure 23.3%
High cholesterol 24.1%
Diabetes 6.8%
Heart disease 4.2%
Stroke 2.0%
Asthma 10.4%
Arthritis 16.8%
Kidney disease 2.1%
Pulmonary disease 4.9%
Cancer 4.3%
Behavior / access %
Smoking 15.4%
Binge drinking 23.2%
No physical activity 22.2%
Less than 7 hrs sleep 30.7%
Depression 22.3%
Fair or poor health 12.2%
Poor mental health 16.8%
Poor physical health 8.6%
No health insurance 10.5%
Visited doctor (checkup) 71.7%
Visited dentist 60.6%
Cholesterol screening 78.9%
Teeth loss 10.9%
Veterans & disability
Veterans Count %
Civilian veterans 807 2.7%
Disability %
Any disability 10.1%
Under 18 3.3%
18–64 years 9.2%
65 and over 26.2%
Health insurance coverage
Type %
Private insurance 74.9%
Public insurance 29.5%
No insurance 7.3%
Uninsured under 19 6.8%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 34,552 94.7%
Spanish 2,192 6.3%
Other Indo-European 760 2.2%
Asian & Pacific Islander 436 1.3%
Other languages 664 1.9%
Place of birth & citizenship
Origin Count %
Native born (US) 31,859 87.3%
Born in same state 31,175 85.5%
Born in different state 19,165 52.5%
Foreign born 684 1.9%
Naturalized citizen 4,616 12.7%
Not a US citizen 1,654 35.8%
Ancestry
Ancestry Count %
Italian 4,873 13.4%
French 3,707 10.2%
Arab 1,253 3.4%
Polish 1,228 3.4%
Dutch 629 1.7%
Ancestry Count %
English 552 1.5%
Irish 254 0.7%
German 193 0.5%
Norwegian 33 0.1%
Technology access
Metric % of households
Computer access 41.8%
Internet access 95.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 52240
What city is ZIP code 52240 in?
ZIP code 52240 is primarily assigned to Iowa City, Iowa.
What county is ZIP code 52240 in?
ZIP code 52240 falls within Johnson County, Iowa.
What is the poverty rate in ZIP code 52240?
27% of residents in ZIP code 52240 live below the poverty line, above the national average.
How educated is the population of ZIP code 52240?
46% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the population of ZIP code 52240?
ZIP code 52240 has an estimated population of 36,475 residents, with a density of 257 people per square mile.
What is the median household income in ZIP code 52240?
The median household income in ZIP code 52240 is $52,727, below the national median of ~$75,000.
What timezone is ZIP code 52240 in?
ZIP code 52240 observes the CST timezone.
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