Where does this demographic data come from?

All demographic data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates, which samples about 3.5 million households annually. The 5-year estimates provide the most reliable data for small geographies like municipalities.

What is the difference between Census data and ACS data?

The decennial Census (conducted every 10 years) is a full population count focusing on basic demographics. The ACS is an ongoing survey that collects detailed data on income, education, housing, commute patterns, and more. ACS data is updated annually but represents averages over a 5-year period.

How accurate is this data for small towns?

For smaller municipalities, ACS estimates have wider margins of error because fewer residents are sampled. The 5-year estimates reduce this uncertainty by averaging over a longer period. For towns under 5,000 people, treat specific numbers as approximations rather than precise counts.

Marion, IA

Census

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Demographicsi2024 ACS 5-Year EstimatesCensus

41,896population

40.6median age

This community is a community of 41,896 with a median age of 40.6. The population is predominantly White (87.2%) with a significant Two or More community (4.9%). Median household income is $86,743. 96.3% of adults hold a high school diploma or higher, and 38.1% have a bachelor's degree. The homeownership rate is 77.4%, with a median home value of $241,700.

Race & Ethnicityi

White

87.2%36,526

Two or More

4.9%2,051

Hispanic/Latino

2.8%1,154

Black

2.6%1,078

Asian

2.1%895

Other

0.3%140

Native Hawaiian/Pacific Islander

0.1%35

American Indian/Alaska Native

0%17

Educational Attainment (Age 25+)i

GED/Alternative

2.5%723

High School Diploma

19.5%5,720

Some College (<1 yr)

8%2,349

Some College (1+ yr)

11.8%3,460

Associate's Degree

16.4%4,828

Bachelor's Degree

27%7,920

Master's Degree

8.6%2,523

Professional Degree

1.3%379

Doctorate

1.3%377

HS or Higher

96.3%

BA or Higher

38.1%

Graduate+

11.2%

Housingi

$241,700median home value

$961median rent

77.4%homeownership

18,029total units

6.2%vacancy

Tenure

Owner 77.4%

Renter 22.6%

Home Values

Under $50K

3.7%481

$50K–$100K

2.6%335

$100K–$150K

10.9%1,420

$150K–$200K

19.1%2,495

$200K–$300K

27.5%3,601

$300K–$500K

29.7%3,885

$500K–$1M

6.2%815

$1M+

0.4%55

Rent Distribution

Under $500

266

$500–$750

1,086

$750–$1,000

527

$1,000–$1,250

695

$1,250–$1,500

218

$1,500–$2,000

450

$2,000+

376

Year Built

2020 or later

3.5%624

2010–2019

19.1%3,445

2000–2009

18.9%3,400

1990–1999

13.9%2,509

1980–1989

7.1%1,283

1970–1979

9.3%1,669

1960–1969

11.2%2,017

1950–1959

7.6%1,379

1940–1949

1.1%196

1939 or earlier

8.4%1,507

Heating Fuel

Utility Gas

78.5%13,280

Electricity

18.6%3,149

Bottled/LP Gas

1.7%292

Other

0.6%103

No Fuel

0.5%91

Household Economyi

$86,743median household income

$43,598per capita income

8.1%poverty rate

3.5%unemployment

22,012labor force

Household Income Distribution

Under $10K

2.1%353

$10K–$15K

2.6%448

$15K–$20K

3.3%553

$20K–$25K

3.9%663

$25K–$30K

2.9%496

$30K–$35K

2.8%471

$35K–$40K

4.1%687

$40K–$45K

2.6%442

$45K–$50K

3.4%579

$50K–$60K

5.5%931

$60K–$75K

10%1,698

$75K–$100K

12.9%2,176

$100K–$125K

10.8%1,835

$125K–$150K

9.2%1,563

$150K–$200K

12.3%2,076

$200K+

11.5%1,944

Ancestry & Heritage

Self-reported ancestry groups. Residents may report multiple ancestries, so totals may exceed 100%.

Foreign-Born Populationi

Foreign-Borni

1,4273.4%

By Region

Top Countries

Mexico

239

India

144

Korea

110

China

Philippines

Canada

United Kingdom

Commute & Transportationi

Workersi

20,919

Avg. Commutei

19.2 min

How People Get to Work

Travel Time to Work

Workforce

Total Employed

21,188

Occupations

Industries

Social Characteristicsi

Marital Status (15+)i

Veteransi

1,944(6.2% of civilian adults)

Health Insurancei

96.3%Insured

3.7%Uninsured