What city is ZIP code 52302?

ZIP code 52302 is in Marion, IA (Linn County).

What county is ZIP code 52302 in?

ZIP code 52302 is mostly in Linn County, Iowa.

How many people live in ZIP code 52302?

About 42,706 people live in the 52302 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 52302

Marion, IA, Linn County

Population

42,706

Land area

74.3sq mi

People per sq mi

574

City

Marion

ZIP 52302 and nearby ZIP codes

Full map

ZIP 52302 at a glance

ZIP 52302 (Marion) is about 10 times as dense as Iowa as a whole.
The median household income is $87,983, 17% above the Iowa median of $75,059.
A typical owner-occupied home is valued at $244,400 (18% above Iowa) and median rent is $962 a month.

Local data for ZIP 52302

Counts from official public data

Housing and community stats

ZIP 52302, American Community Survey 2020-2024

Full profile

Median household income

$87,983

Poverty rate

8.0%

Median home value

$244,400

Prices +2.8% in a year

Median rent

$962/mo

Homeownership

77.4%

Bachelor's or higher

38.2%

Median age

40.9

Average commute

19.1 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

804

ZIP Business Patterns 2023

Employees

10,010

$464M annual payroll

PPP loans

$74.7M

1,038 loans

Campaign donations

$383K

18% D, 40% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 52302, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: strong wind

Storm events since 1996

1,284

Countywide, mostly thunderstorm wind

Flood insurance policies

655

0.7% of homes, county

July high / Jan low

86° / 13°F

38.8 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 52302, CDC PLACES estimates

All 40 measures

Obesity

33.8%

U.S. 33.3% +0.5 pts

Diabetes

10.1%

U.S. 12.1% -2.0 pts

Smoking

12.1%

U.S. 12.8% -0.7 pts

Uninsured (18-64)

5.4%

U.S. 11.1% -5.7 pts

Frequently asked questions

What city is ZIP code 52302?: ZIP code 52302 is in Marion, IA (Linn County).
What county is ZIP code 52302 in?: ZIP code 52302 is mostly in Linn County, Iowa.
How many people live in ZIP code 52302?: About 42,706 people live in the 52302 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.