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Marion, IA

City in Linn County, Iowa. ZIP codes: 52302.

Population

41,896

Land area

18sq mi

People per sq mi

2,327

ZIP codes

1

Marion and its ZIP codes

Full map

Marion at a glance

  • Marion is about 40 times as dense as Iowa as a whole.
  • By population, it ranks 13th among 1,017 cities and towns in Iowa.
  • The median household income is $86,743, 16% above the Iowa median of $75,059.
  • A typical owner-occupied home is valued at $241,700 (16% above Iowa) and median rent is $961 a month.

Local data for Marion, IA

Counts from official public data

Housing and community stats

Marion, IA, American Community Survey 2020-2024

Full profile

Median household income

$86,743

Poverty rate

8.1%

Median home value

$241,700

Median rent

$961/mo

Homeownership

77.4%

Bachelor's or higher

38.1%

Median age

40.6

Average commute

19.2 min

Largest reported origins and ancestries: German Americans (15,228), Irish Americans (6,199), Norwegian Americans (2,841).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Linn County. PPP loans are for Marion.

Details

Unemployment rate

4.0%

Aug 2026, -1.1 pts in a year

Average annual pay

$70,464

125,508 jobs, 2025

Income per person

$66,525

BEA, 2024

Federal spending

$2.4B

FY 2026, $10,633 per person

PPP loans

$74.7M

1,038 loans, 8,823 jobs reported

Linn County economyFederal spendingPPP loans

How people get to work

Marion, IA, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone72.0%
  • Carpooled5.7%
  • Public transit0.4%
  • Walked0.9%
  • Bicycle0.2%
  • Taxi, ride-hailing, motorcycle or other1.4%
  • Worked from home19.3%

Average one-way commute: 19.2 minutes for people who do not work from home.

Environment and hazard risk

Marion, IA, 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 historyCheck a flood zone8 historic places

Health statistics

Share of adults in Marion, IA, CDC PLACES estimates

All 40 measures

Obesity

33.8%

U.S. 33.3% +0.5 pts

Diabetes

10.0%

U.S. 12.1% -2.1 pts

Smoking

12.1%

U.S. 12.8% -0.7 pts

Uninsured (18-64)

5.4%

U.S. 11.1% -5.7 pts

ZIP codes in Marion

1 in or overlapping Marion. Population shown

·

Cities near Marion

NameDistanceLand area (sq mi)
RobinsCity6.1 mi6
SpringvilleCity6.3 mi2.4
HiawathaCity6.8 mi4.8
BertramCity6.9 mi1.5
AlburnettCity7.3 mi0.8
Cedar RapidsCity7.6 mi74.6
Central CityCity11 mi1.1
Mount VernonCity11 mi3.7
MartelleCity12 mi0.3
ElyCity12 mi1.7
PaloCity12 mi1.2
Stone CityCensus-designated place12 mi1.8
LisbonCity13 mi2.1
FairfaxCity13 mi3.6
Center PointCity14 mi2.7
ShueyvilleCity14 mi1.9

Frequently asked questions

What county is Marion, IA in?
Marion is in Linn County, Iowa.
What ZIP codes are in Marion, IA?
ZIP codes in or overlapping Marion include 52302.
What is the population of Marion, IA?
About 41,896 people live in Marion, based on American Community Survey 5-year estimates.
What cities are near Marion?
Nearby places include Robins (6.1 mi), Springville (6.3 mi), Hiawatha (6.8 mi), Bertram (6.9 mi), Alburnett (7.3 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023