Johnson County, Iowa

12 cities & places have their primary county here.

Population: 154,881
Median household income: $74,721
Median home value: $293,100

Home to 154,881 residents, Johnson County is one of Iowa's counties. 12 cities and places have their primary county here. The median household income of $74,721 is in line with the Iowa median ($73,147).

Between 2019 and 2023, Johnson County's population grew 4.2% from 148,577 to 154,881, while its median household income rose 19.5% from $62,542 to $74,721.

Households average 2.36 people. The median gross rent is $1,104.

Demographics

ACS 2019–2023

Population: 154,881
Median age: 30.8 yrs
Median household income: $74,721
Median home value: $293,100
Median gross rent: $1,104
Housing units: 67,211
Homeownership rate: 58.8%
Bachelor's degree or higher: 54.6%
Unemployment rate: 3.7%

Trends

ACS 5-year · 2019–2023

Population

148,577154,881

Median household income

$62,542$74,721

Median home value

$227,600$293,100

Median gross rent

$972$1,104

Year	Population	Median household income	Median home value	Median gross rent
2019	148,577	$62,542	$227,600	$972
2020	150,819	$63,062	$238,600	$984
2021	151,833	$67,414	$248,100	$1,031
2022	153,360	$72,977	$277,800	$1,086
2023	154,881	$74,721	$293,100	$1,104

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

Age distribution

Under 55.4%

5 to 1714.1%

18 to 2420.9%

25 to 3414.8%

35 to 4412.4%

45 to 549.9%

55 to 649.6%

65 to 747.9%

75 and over5.0%

	Count	Share
Under 5	8,378	5.4%
5 to 17	21,898	14.1%
18 to 24	32,310	20.9%
25 to 34	22,936	14.8%
35 to 44	19,224	12.4%
45 to 54	15,310	9.9%
55 to 64	14,874	9.6%
65 to 74	12,183	7.9%
75 and over	7,768	5.0%

Race & ethnicity

	Count	Share
White (non-Hispanic)	116,962	75.5%
Black or African American	11,552	7.5%
American Indian & Alaska Native	121	0.1%
Asian	8,954	5.8%
Native Hawaiian & Pacific Islander	49	0.0%
Some other race	678	0.4%
Two or more races	6,253	4.0%
Hispanic or Latino (any race)	10,312	6.7%

Educational attainment (age 25+)

No high school diploma3.8%

High school graduate15.8%

Some college or associate's25.9%

Bachelor's degree30.6%

Graduate or professional degree24.0%

	Count	Share
No high school diploma	3,466	3.8%
High school graduate	14,587	15.8%
Some college or associate's	23,878	25.9%
Bachelor's degree	28,199	30.6%
Graduate or professional degree	22,165	24.0%

Commute to work

Mean travel time to work: 20 min

Drove alone64.9%

Carpooled7.5%

Public transit4.1%

Walked7.9%

Bicycle1.9%

Worked from home12.6%

Other means1.1%

How workers get to work

	Count	Share
Drove alone	54,421	64.9%
Carpooled	6,289	7.5%
Public transit	3,413	4.1%
Walked	6,638	7.9%
Bicycle	1,602	1.9%
Worked from home	10,553	12.6%
Other means	925	1.1%

Travel time

	Count	Share
Under 15 min	27,815	38.0%
15 to 29 min	31,349	42.8%
30 to 44 min	9,943	13.6%
45 to 59 min	1,849	2.5%
60+ min	2,332	3.2%

Households

Average household size: 2.36
Poverty rate: 16.7% (24,608 of 146,977)

	Count	Share
Family households	32,653	52.5%
Nonfamily households	29,561	47.5%

Housing

Median year structure built: 1991

Occupancy

	Count	Share
Occupied	62,214	92.6%
Vacant	4,997	7.4%

Tenure (of occupied units)

	Count	Share
Owner-occupied	36,606	58.8%
Renter-occupied	25,608	41.2%

1-unit, detached48.6%

1-unit, attached11.9%

2 to 4 units6.0%

5 to 19 units17.1%

20 or more units12.7%

Mobile home & other3.7%

Units in structure

	Count	Share
1-unit, detached	32,661	48.6%
1-unit, attached	7,998	11.9%
2 to 4 units	4,046	6.0%
5 to 19 units	11,523	17.1%
20 or more units	8,513	12.7%
Mobile home & other	2,470	3.7%

Geography

County GEOID: 19103
State: Iowa
Land area: 613 sq mi
Water area: 10 sq mi
Center point: 41.6707, -91.5905