Iowa City ZIP Code List — Johnson County, IA

There are 6 unique ZIP codes in Iowa City, Iowa. Area code: 319.

ZIP codes

167.93

sq mi land

1.42

sq mi water

319

area code

Iowa City, IA ZIP code map

About Iowa City, IA

Iowa City, IA, is a vibrant college town located in eastern Iowa. It serves as the county seat of Johnson County and is home to the prestigious University of Iowa, which significantly influences the city's culture and economy. The community is characterized by a blend of historical architecture, lively arts, and diverse dining options.

Location & geography

Iowa City is located in the heart of Johnson County, making it a central hub in eastern Iowa. It is approximately 30 miles from Cedar Rapids and 120 miles from Des Moines, offering easy access to these larger cities. The city encompasses a land area of 167.93 square miles with a water area of 1.42 square miles, featuring rolling hills and the Iowa River that meanders through the area.

Community & economy

The character of Iowa City is marked by its youthful energy, driven largely by the presence of university students and faculty. The economy is diverse, with significant contributions from education, healthcare, and retail sectors, fostering a welcoming atmosphere for families and newcomers. Daily life in Iowa City often revolves around its cultural offerings, including theaters, art galleries, and numerous local festivals.

Transportation

Iowa City is easily accessible via several major highways, including Interstate 80 and Highway 218. The nearest major airport is The Eastern Iowa Airport in Cedar Rapids, located about 25 miles to the northwest. Public transit options are available through the Iowa City Transit, providing convenient transportation within the city and surrounding areas.

History

Iowa City was founded in 1839 and was the first capital of Iowa, a title it held until 1857. The city developed around the University of Iowa, established in 1847, which became a cornerstone of the local economy and culture. Noteworthy events in its history include its designation as a UNESCO City of Literature in 2008.

Did you know?

One surprising fact about Iowa City is that it is home to one of the oldest public universities in the United States, the University of Iowa. Additionally, it gained recognition for its thriving literary community and is known for hosting the famous Iowa Summer Writing Festival.

ZIP codes for Iowa City, IA (6)

ZIP code	City	County	Map
52240	Iowa City	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

Demographics & statistics

85,043

Population

28.0

Median age

$57,808

Median household income

$37,426

Per capita income

$202,750

Median home value

$829

Median monthly rent

38.2%

Home ownership

24.7%

Poverty rate

6.4%

Unemployment

20,517

Housing units

44.8%

Bachelor's or higher

Age distribution

Male Female

1,792

Under 5

1,929

1,845

5–9

1,986

1,770

10–14

1,905

4,535

15–19

4,883

9,148

20–24

9,849

5,511

25–34

5,934

4,224

35–44

4,548

3,676

45–54

3,958

1,538

55–59

1,656

1,886

60–64

2,030

3,079

65–74

3,315

1,334

75–84

1,437

614

85+

661

← Male

Female →

Age summary

Group	Count	%
Under 18	13,387	12.5%
18 and over	71,656	87.5%
65 and over	10,440	10.1%
Median age	28.0 years

Race & ethnicity

White 73.5%

Black or African American 7.7%

Asian 6.8%

Two or more races 4.9%

Hispanic or Latino 4.4%

Other race 2.4%

American Indian / Alaska Native 0.2%

Group	Count	%
White	65,391	73.5%
Black or African American	6,867	7.7%
Asian	6,065	6.8%
Two or more races	4,360	4.9%
Hispanic or Latino	3,894	4.4%
Other race	2,130	2.4%
American Indian / Alaska Native	202	0.2%

Household income

Under $10k 11.5%

$10k–$15k 3.7%

$15k–$25k 6.7%

$25k–$35k 6.8%

$35k–$50k 19.9%

$50k–$75k 20.3%

$75k–$100k 7.4%

$100k–$150k 11.1%

$150k–$200k 5.3%

$200k+ 7.5%

Range	% of households
Under $10k	11.5%
$10k–$15k	3.7%
$15k–$25k	6.7%
$25k–$35k	6.8%
$35k–$50k	19.9%
$50k–$75k	20.3%
$75k–$100k	7.4%
$100k–$150k	11.1%
$150k–$200k	5.3%
$200k+	7.5%
Median income	$57,808

Housing

Home values

Under $50k 6.0%

$50k–$100k 1.7%

$100k–$150k 4.4%

$150k–$200k 9.2%

$200k–$300k 22.6%

$300k–$500k 22.0%

$500k–$1M 8.6%

$1M+ 0.7%

Housing overview

Metric	Value
Median home value	$202,750
Median rent / month	$829
Owner occupied	38.2%
Renter occupied	61.9%
Vacant	6.1%
Single-family detached	33.4%
Large apartment buildings	16.3%
Mobile homes	12.2%
Median rooms	4.3
Avg household size (owned)	1.81

Year built

Era	%
2020 or later	0.4%
2010–2019	10.2%
2000–2009	19.2%
1990–1999	9.5%
1980–1989	9.3%
1970–1979	16.0%
1960–1969	7.9%
1950–1959	5.3%
1940–1949	1.7%
1939 or earlier	20.5%

Bedrooms

Size	% of units
No bedroom (studio)	18.2%
1 bedroom	10.6%
2 bedrooms	22.5%
3 bedrooms	30.9%
4 bedrooms	13.0%
5+ bedrooms	5.1%

Vehicles per household

Vehicles	% of households
No vehicle	11.8%
1 vehicle	39.3%
2 vehicles	36.6%
3 or more	12.3%

Heating fuel

Fuel type	%
Utility gas	71.0%
Electricity	21.3%
Propane / LP gas	6.4%
Fuel oil	0.2%
Wood	0.2%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	12,503	48.3%
Cohabiting couple	2,543	5.5%
Male householder, no spouse	9,073	19.7%
Female householder, no spouse	10,321	26.5%
Households with children under 18	6,568	14.3%
Households with seniors (65+)	7,252	16.2%
Average household size	2.16

Marital status

Status	Male	Female
Never married	63.9%	61.0%
Married	30.7%	29.2%
Separated	0.3%	0.4%
Widowed	1.4%	3.4%
Divorced	3.7%	6.1%

Education

Less than 9th grade 2.8%

Some HS, no diploma 4.5%

HS graduate 14.7%

Some college, no degree 23.3%

Associate's degree 10.1%

Bachelor's degree 22.5%

Graduate / professional 22.4%

Metric	%
HS diploma or higher	92.8%
Bachelor's or higher	44.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	1,197	2.9%
Kindergarten	784	1.8%
Elementary school	5,693	13.5%
High school	2,731	6.5%
College / grad school	25,558	75.3%

Employment

Industry of employment

Education & healthcare 42.3%

Arts, food & hospitality 17.0%

Retail trade 13.2%

Professional & management 5.7%

Manufacturing 4.6%

Finance & real estate 3.4%

Transportation & utilities 3.1%

Other services 2.4%

Construction 2.4%

Public administration 1.9%

Information 1.7%

Wholesale trade 1.2%

Agriculture & mining 1.1%

Occupation

Category	%
Management, business & arts	42.7%
Service	26.7%
Sales & office	18.1%
Natural resources & construction	3.5%
Production & transportation	9.1%

Employment type

Type	%
Private sector	67.3%
Government	29.1%
Self-employed	3.6%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	48.3%
Carpool	6.6%
Public transit	6.1%
Walk	24.3%
Other means	3.9%
Avg commute (minutes)	16.8

Poverty

All people 24.7%

Under 18 years 13.0%

18 and over 25.7%

Married-couple families 4.3%

Female-led households 20.7%

Income support

Source	% of households
Social Security	16.0%
Retirement income	13.7%
Supplemental Security	1.7%
Cash public assistance	1.6%
Food stamps / SNAP	5.8%

Health indicators

Condition	%
High blood pressure	18.8%
High cholesterol	19.7%
Heart disease	3.3%
Stroke	1.6%
Asthma	10.2%
Arthritis	13.2%
Kidney disease	1.7%
Pulmonary disease	3.8%
Cancer	3.5%

Behavior / access	%
Binge drinking	24.4%
No physical activity	18.9%
Less than 7 hrs sleep	28.8%
Fair or poor health	9.6%
Poor mental health	16.7%
Poor physical health	6.9%
No health insurance	9.1%
Visited doctor (checkup)	70.8%
Visited dentist	64.9%
Cholesterol screening	77.5%
Teeth loss	10.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,420	2.9%

Disability	%
Any disability	9.4%
Under 18	3.2%
18–64 years	7.6%
65 and over	22.1%

Health insurance coverage

Type	%
Private insurance	82.5%
Public insurance	22.4%
Uninsured under 19	3.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	81,322	96.7%
Spanish	5,198	5.2%
Other Indo-European	1,481	1.4%
Asian & Pacific Islander	772	0.7%
Other languages	1,576	1.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	73,951	89.2%
Born in same state	72,817	88.0%
Born in different state	43,281	49.8%
Foreign born	1,134	1.2%
Naturalized citizen	11,092	10.8%
Not a US citizen	3,660	38.2%

Ancestry

Ancestry	Count	%
Italian	12,201	14.3%
French	8,917	10.5%
Polish	2,936	3.5%
Arab	2,912	3.4%
English	1,411	1.7%

Ancestry	Count	%
Dutch	1,357	1.6%
German	385	0.5%
Irish	324	0.4%
Norwegian	171	0.2%

Technology access

Metric	% of households
Computer access	32.3%
Internet access	97.5%

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

Frequently asked questions

What ZIP codes does Iowa City, IA have?

Iowa City, IA has 5 ZIP codes: 52240, 52242, 52243, 52245, 52246. Each ZIP code serves a distinct delivery area within the city and surrounding region.

What is the main ZIP code for Iowa City, IA?

The primary ZIP code for Iowa City, IA is 52240. The city uses area code 319 for phone service.

What county is Iowa City, IA in?

Iowa City is located in Johnson County, Iowa.

How many ZIP codes are in Iowa City, IA?

Iowa City, IA has 5 ZIP codes.

What ZIP code covers the University of Iowa campus and the surrounding academic area in Iowa City?

The University of Iowa campus is primarily located in ZIP code 52242, which encompasses the main institutional and academic district in central Iowa City.

Which ZIP codes serve the downtown Iowa City area along Washington Street and the historic pedestrian mall?

Downtown Iowa City, including the iconic Pedestrian Mall and surrounding business district, is served by ZIP codes 52240 and 52242.