Johnston

Population: 24,196
Median household income: $103,430
Median home value: $346,200

Johnston, a community in Polk County, Iowa, has 24,196 residents. The median household income of $103,430 is above the Polk County median ($81,621).

Between 2019 and 2023, Johnston's population grew 13.0% from 21,406 to 24,196, while its median home value rose 29.0% from $268,300 to $346,200.

The median gross rent is $1,288. 57.9% of adults 25 and older hold a bachelor's degree or higher.

Demographics

ACS 2019–2023

Population: 24,196
Median age: 38.4 yrs
Median household income: $103,430
Median home value: $346,200
Median gross rent: $1,288
Housing units: 9,868
Homeownership rate: 72.3%
Bachelor's degree or higher: 57.9%
Unemployment rate: 1.8%

Trends

ACS 5-year · 2019–2023

Population

21,40624,196

Median household income

$96,948$103,430

Median home value

$268,300$346,200

Median gross rent

$1,146$1,288

Year	Population	Median household income	Median home value	Median gross rent
2019	21,406	$96,948	$268,300	$1,146
2020	22,077	$92,984	$272,500	$1,134
2021	23,418	$93,363	$289,600	$1,163
2022	23,856	$98,324	$332,000	$1,225
2023	24,196	$103,430	$346,200	$1,288

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

Age distribution

Under 56.0%

5 to 1723.0%

18 to 246.2%

25 to 3410.2%

35 to 4414.5%

45 to 5414.8%

55 to 649.2%

65 to 749.7%

75 and over6.4%

	Count	Share
Under 5	1,444	6.0%
5 to 17	5,569	23.0%
18 to 24	1,491	6.2%
25 to 34	2,468	10.2%
35 to 44	3,505	14.5%
45 to 54	3,590	14.8%
55 to 64	2,226	9.2%
65 to 74	2,347	9.7%
75 and over	1,556	6.4%

Race & ethnicity

	Count	Share
White (non-Hispanic)	19,190	79.3%
Black or African American	2,081	8.6%
American Indian & Alaska Native	16	0.1%
Asian	1,735	7.2%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	14	0.1%
Two or more races	646	2.7%
Hispanic or Latino (any race)	514	2.1%

Educational attainment (age 25+)

No high school diploma2.5%

High school graduate14.5%

Some college or associate's25.1%

Bachelor's degree36.7%

Graduate or professional degree21.1%

	Count	Share
No high school diploma	400	2.5%
High school graduate	2,278	14.5%
Some college or associate's	3,936	25.1%
Bachelor's degree	5,760	36.7%
Graduate or professional degree	3,318	21.1%

Commute to work

Mean travel time to work: 19 min

Drove alone79.2%

Carpooled4.7%

Public transit0.0%

Walked1.0%

Bicycle0.1%

Worked from home14.5%

Other means0.4%

How workers get to work

	Count	Share
Drove alone	9,871	79.2%
Carpooled	587	4.7%
Public transit	5	0.0%
Walked	128	1.0%
Bicycle	14	0.1%
Worked from home	1,809	14.5%
Other means	55	0.4%

Travel time

	Count	Share
Under 15 min	3,587	33.6%
15 to 29 min	5,335	50.0%
30 to 44 min	1,190	11.2%
45 to 59 min	384	3.6%
60+ min	164	1.5%

Households

Average household size: 2.51
Poverty rate: 7.6% (1,815 of 23,916)

	Count	Share
Family households	6,555	68.6%
Nonfamily households	2,997	31.4%

Housing

Median year structure built: 2004

Occupancy

	Count	Share
Occupied	9,552	96.8%
Vacant	316	3.2%

Tenure (of occupied units)

	Count	Share
Owner-occupied	6,905	72.3%
Renter-occupied	2,647	27.7%

1-unit, detached58.7%

1-unit, attached15.0%

2 to 4 units1.5%

5 to 19 units9.9%

20 or more units15.0%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	5,795	58.7%
1-unit, attached	1,478	15.0%
2 to 4 units	144	1.5%
5 to 19 units	975	9.9%
20 or more units	1,476	15.0%
Mobile home & other	0	0.0%

Geography

Place GEOID: 1939765
Type (LSAD): 25
Land area: 19 sq mi
Water area: 1.48 sq mi
Center point: 41.6919, -93.7245