Johnson County, Iowa

Interactive maps and statistics for Johnson County, Iowa: income, age, education, housing, health and more, set beside Iowa and the United States.

Johnson County, Iowa is among the lowest in the country for median age, and among the highest in the country for bachelor's degree or higher (52nd of 3,222 counties).

Explore Johnson County, Iowa on the map →

Key figures

Statistic	Johnson County, Iowa	Iowa	United States	Rank
Total Population	156,639	3,210,507	334,922,499	443rd of 3,222
Median Household Income	$74,935	$75,059	$80,734	845th of 3,221
Median Age	31.0	38.6	38.9	3158th of 3,222
Bachelor's Degree or Higher	55.2%	31.4%	35.7%	52nd of 3,222
Median Home Value	$308,600	$208,000	$332,700	582nd of 3,217
Median Gross Rent	$1,122	$972	$1,413	671st of 3,215
Poverty Rate	17.1%	11.1%	12.5%	902nd of 3,222
Unemployment Rate	3.8%	3.6%	5.2%	2026th of 3,222
Population per Square Mile	255.5	57.5	n/a	554th of 3,222
Foreign Born	9.8%	5.9%	14.1%	413th of 3,222
Life Expectancy	82.0	n/a	n/a	69th of 3,062
Homeownership Rate	59.4%	71.7%	65.2%	3022nd of 3,222
Average Commute Time	19.4	19.8	26.4	2651st of 3,221
Worked from Home	13.7%	11.3%	15.1%	557th of 3,222
Uninsured	5.5%	n/a	n/a	2909th of 3,134
Married-Couple Households	42.0%	48.3%	46.9%	2707th of 3,222
Broadband Access	89.4%	n/a	n/a	473rd of 3,135

Rank is among all US counties with published data, counting down from the highest value. Figures come from the American Community Survey, CDC, BLS, BEA and other federal sources. Open the map for 1,147 statistics and the year and margin of error behind each one.

Race and ethnicity in Johnson County, Iowa

Statistic	Johnson County, Iowa	Iowa	United States
White (non-Hispanic)	74.8%	82.3%	57.4%
Hispanic or Latino (any race)	6.7%	7.3%	19.3%
Black (non-Hispanic)	7.6%	3.8%	11.9%
Asian (non-Hispanic)	5.6%	2.5%	5.9%
Two or More Races (non-Hispanic)	4.6%	3.5%	4.3%
American Indian & Alaska Native (non-Hispanic)	0.1%	0.2%	0.5%
Native Hawaiian & Pacific Islander (non-Hispanic)	0.0%	0.2%	0.2%
Some Other Race (non-Hispanic)	0.5%	0.3%	0.6%
Diversity Index	42.5	31.4	61.4

Age in Johnson County, Iowa

Statistic	Johnson County, Iowa	Iowa	United States
Median Age	31.0	38.6	38.9
Under 18 %	19.3%	22.9%	22.0%
Age 18-24 %	20.8%	10.0%	9.1%
Age 25-34 %	14.8%	12.5%	13.7%
Age 35-44 %	12.4%	12.6%	13.2%
Age 45-64 %	19.4%	23.9%	24.8%
Age 65 and Over %	13.3%	18.1%	17.2%

Households and families in Johnson County, Iowa

Statistic	Johnson County, Iowa	Iowa	United States
Households	63,341	1,315,707	129,227,496
Average Household Size	2.3	2.4	2.5
Family Households	51.6%	61.6%	64.2%
Households with Children	23.5%	28.5%	29.5%
Single-Parent Families	9.5%	13.3%	17.3%
People Living Alone	32.5%	30.9%	28.7%
Never Married	45.6%	31.8%	34.4%

Income and poverty in Johnson County, Iowa

Statistic	Johnson County, Iowa	Iowa	United States
Per Capita Income	$45,136	$40,877	$44,673
Households Under $25,000	16.6%	13.9%	14.6%
Households $50,000 to $74,999	16.1%	17.5%	15.5%
Households $100,000 to $149,999	17.6%	18.7%	17.5%
Households $200,000 or More	12.1%	8.6%	13.4%
Poverty Rate	17.1%	11.1%	12.5%
Below 200% of Poverty	29.7%	26.8%	28.2%
SNAP Households	6.0%	8.8%	n/a

Housing in Johnson County, Iowa

Statistic	Johnson County, Iowa	Iowa	United States
Housing Units	68,217	1,437,699	143,775,355
Single-Family Detached Homes	48.0%	72.2%	61.3%
Buildings with 5+ Units	30.6%	14.5%	19.1%
Vacancy Rate	7.1%	8.5%	10.1%
Median Year Structure Built	1,992.0	1,972.0	1,980.0
Renter-Occupied	40.6%	28.3%	34.8%
Rent as % of Household Income	33.1%	27.4%	30.6%
Median Property Tax	$4,681	$2,897	n/a

Education in Johnson County, Iowa

Statistic	Johnson County, Iowa	Iowa	United States
Less than High School	3.7%	6.7%	10.4%
High School Graduate	15.6%	30.0%	26.0%
Some College or Associate Degree	25.5%	31.8%	27.9%
Bachelor's Degree	31.0%	20.9%	21.6%
Graduate or Professional Degree	24.1%	10.5%	14.1%

Work and commuting in Johnson County, Iowa

Statistic	Johnson County, Iowa	Iowa	United States
Labour Force Participation	69.4%	66.4%	63.5%
Drove Alone to Work	65.2%	76.0%	68.8%
Public Transit	3.7%	0.7%	3.2%
Walked to Work	8.2%	2.9%	2.4%
Commutes Under 15 Minutes	38.0%	41.8%	26.0%
Commutes Over an Hour	3.0%	4.1%	8.6%
Households Without a Car	7.1%	5.4%	n/a

Origins and language in Johnson County, Iowa

Statistic	Johnson County, Iowa	Iowa	United States
Born in State of Residence	58.4%	69.6%	57.3%
Naturalised Citizens	4.6%	2.6%	7.4%
Non-Citizens	5.2%	3.3%	6.8%
Speaks Only English at Home	85.3%	90.9%	77.7%
Speaks Spanish at Home	4.3%	4.7%	13.6%
Limited English Proficiency	14.1%	7.8%	16.7%

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