Harrison County
Harrison County has roughly average household income, with a median household income of $79,535. Population has declined 7% since 2000. 22% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $176,000. It ranks in the top 5% of US counties for household income.
Population & growth
PEP 2025 EST:14,623 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Detailed origins & ancestry
+ 19 more ancestry groups with data
Education
Commute & transportation
Work & employment
People & community
Places similar to Harrison County
Compare Harrison County to nearby counties
How many people live in Harrison County, Iowa?
Harrison County, Iowa has about 14,632 residents according to the 2024 American Community Survey.
What is the median household income in Harrison County, Iowa?
The typical household in Harrison County, Iowa earns about $79,535 a year. Half of households make more than that, and half make less.
Is Harrison County, Iowa expensive?
In Harrison County, Iowa, the median home is worth about $176,000, and the typical rent is about $849 a month.
How educated are people in Harrison County, Iowa?
About 22.0% of adults age 25 and over in Harrison County, Iowa hold a bachelor's degree or higher.
What is the poverty rate in Harrison County, Iowa?
About 7.1% of people in Harrison County, Iowa live below the federal poverty line.
Has Harrison County, Iowa grown since 1990?
Yes, Harrison County, Iowa has shrunk since 1990. The population has lost about 98 residents, a change of about -1 percent over that period.
Explore from here
DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024