Marion County, Iowa

9 cities & places have their primary county here.

Population: 33,551
Median household income: $78,059
Median home value: $211,100

Home to 33,551 residents, Marion County is one of Iowa's counties. 9 cities and places have their primary county here. At $78,059, its median household income sits above Iowa's $73,147.

Between 2019 and 2023, Marion County's population grew 1.1% from 33,172 to 33,551, while its median household income rose 27.9% from $61,038 to $78,059.

The median gross rent is $880. 33.1% of adults 25 and older hold a bachelor's degree or higher.

Demographics

ACS 2019–2023

Population: 33,551
Median age: 39.7 yrs
Median household income: $78,059
Median home value: $211,100
Median gross rent: $880
Housing units: 14,268
Homeownership rate: 77.7%
Bachelor's degree or higher: 33.1%
Unemployment rate: 1.9%

Trends

ACS 5-year · 2019–2023

Population

33,17233,551

Median household income

$61,038$78,059

Median home value

$157,300$211,100

Median gross rent

$721$880

Year	Population	Median household income	Median home value	Median gross rent
2019	33,172	$61,038	$157,300	$721
2020	33,193	$64,136	$160,100	$721
2021	33,381	$66,822	$163,500	$767
2022	33,487	$74,193	$192,300	$845
2023	33,551	$78,059	$211,100	$880

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 55.6%

5 to 1717.7%

18 to 2410.0%

25 to 3410.4%

35 to 4412.2%

45 to 5411.5%

55 to 6413.5%

65 to 7410.4%

75 and over8.5%

	Count	Share
Under 5	1,891	5.6%
5 to 17	5,954	17.7%
18 to 24	3,360	10.0%
25 to 34	3,499	10.4%
35 to 44	4,104	12.2%
45 to 54	3,865	11.5%
55 to 64	4,531	13.5%
65 to 74	3,483	10.4%
75 and over	2,864	8.5%

Race & ethnicity

	Count	Share
White (non-Hispanic)	31,407	93.6%
Black or African American	170	0.5%
American Indian & Alaska Native	27	0.1%
Asian	434	1.3%
Native Hawaiian & Pacific Islander	7	0.0%
Some other race	42	0.1%
Two or more races	716	2.1%
Hispanic or Latino (any race)	748	2.2%

Educational attainment (age 25+)

No high school diploma5.4%

High school graduate32.7%

Some college or associate's28.8%

Bachelor's degree23.0%

Graduate or professional degree10.1%

	Count	Share
No high school diploma	1,211	5.4%
High school graduate	7,305	32.7%
Some college or associate's	6,441	28.8%
Bachelor's degree	5,138	23.0%
Graduate or professional degree	2,251	10.1%

Commute to work

Mean travel time to work: 20 min

Drove alone79.1%

Carpooled5.8%

Public transit0.2%

Walked3.7%

Bicycle0.3%

Worked from home9.7%

Other means1.1%

How workers get to work

	Count	Share
Drove alone	13,062	79.1%
Carpooled	951	5.8%
Public transit	41	0.2%
Walked	607	3.7%
Bicycle	49	0.3%
Worked from home	1,608	9.7%
Other means	187	1.1%

Travel time

	Count	Share
Under 15 min	7,411	49.7%
15 to 29 min	3,530	23.7%
30 to 44 min	1,857	12.5%
45 to 59 min	1,057	7.1%
60+ min	1,042	7.0%

Households

Average household size: 2.38
Poverty rate: 7.1% (2,248 of 31,814)

	Count	Share
Family households	9,123	68.0%
Nonfamily households	4,286	32.0%

Housing

Median year structure built: 1975

Occupancy

	Count	Share
Occupied	13,409	94.0%
Vacant	859	6.0%

Tenure (of occupied units)

	Count	Share
Owner-occupied	10,425	77.7%
Renter-occupied	2,984	22.3%

1-unit, detached78.1%

1-unit, attached3.0%

2 to 4 units5.1%

5 to 19 units6.8%

20 or more units2.5%

Mobile home & other4.4%

Units in structure

	Count	Share
1-unit, detached	11,140	78.1%
1-unit, attached	431	3.0%
2 to 4 units	732	5.1%
5 to 19 units	977	6.8%
20 or more units	358	2.5%
Mobile home & other	630	4.4%

Geography

County GEOID: 19125
State: Iowa
Land area: 554 sq mi
Water area: 16 sq mi
Center point: 41.3314, -93.0939