Harrison County, Iowa Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 52nd-largest in Iowa

The population of Harrison County, Iowa is 14,645 as of the 2023 American Community Survey, making it the 52nd-largest county in Iowa. The median household income is $77,027, the median home value is $165,300, and the median age is 41.9.

The population of Harrison County has declined 1.9% since 2010 (14,908 → 14,626), a -0.14% annualized rate.

Harrison County within Iowa · Source: US Census TIGER/Line via us-atlas

14,645

Population

-0.14%

Annual growth

People / sq mi

$77,027

Median Income

$165,300

Median Home Value

Harrison County covers 697 sq mi of land at 21.0 people per square mile.

About Harrison County, IA

Harrison County is distinguished by its share of foreign-born residents, 49.0% of the population. With 14,645 residents, Harrison County is a county in Iowa.

Households take in a median $77,027, comfortably near the US median of $78,538. The poverty rate, 4.7%, is on the lower side for US counties and below the national 12.4%. Median home value is $165,300, with typical rent around $854.

Roughly 21.2% of adults have a bachelor’s, below the national 35.0%. About 8.6% of the workforce is home-based, below the national 14.0%, and the average commute runs about 26 minutes each way.

The large foreign-born share is a defining thread in Harrison County, shaping language, household composition, and the labor force behind the economic figures above.

Harrison County Population History (2010-2024)

The county of Harrison County had a population of 14,908 in 2010 and 14,626 in 2024, a -1.9% growth over 14 years. The peak was 14,908 in 2010. Average annual growth rate: -0.13%.

Harrison County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

14,626

Population (2024)

14,908

Population (2010)

14,908

Peak (2010)

-0.13%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	14,908	-	-	estimate
2011	14,764	-144	-0.97%	estimate
2012	14,474	-290	-1.96%	estimate
2013	14,359	-115	-0.79%	estimate
2014	14,268	-91	-0.63%	estimate
2015	14,145	-123	-0.86%	estimate
2016	14,051	-94	-0.66%	estimate
2017	14,116	+65	+0.46%	estimate
2018	14,086	-30	-0.21%	estimate
2019	14,034	-52	-0.37%	estimate
2020	14,567	+533	+3.80%	estimate
2021	14,692	+125	+0.86%	estimate
2022	14,635	-57	-0.39%	estimate
2023	14,638	+3	+0.02%	estimate
2024	14,626	-12	-0.08%	estimate

Race & Ethnicity

White	96.2%
Black or African American	0.1%
Asian	0.0%
Hispanic or Latino (any race)	0.7%
Two or More Races	0.0%

Age & Sex

41.9

Median Age

49.1%

Female

50.9%

Male

19.7%

Age 65+

Age Distribution

Under 5

5.7%

5–9

5.7%

10–14

7.6%

15–19

6.2%

20–24

5.2%

25–34

10.6%

35–44

11.7%

45–54

12.3%

55–59

7.4%

60–64

7.9%

65–74

11.3%

75–84

5.1%

85+

3.3%

Children (under 15): 19.0% · Seniors (65+): 19.7%

Income & Poverty

Median household income	$77,027+$3,880 vs state
Mean household income	$95,657
Per-capita income	$39,369
Poverty rate	4.7%-2.2% vs state
Unemployment rate	1.8%
Employment-to-population	63.6%

Top Industries by Employment

Professional & business services

27.8%

Manufacturing

9.4%

Construction

9.3%

Retail trade

7.2%

Finance & real estate

7.1%

Information

6.2%

Agriculture

6.1%

Education & health care

4.3%

The largest employment sector in Harrison County is professional & business services, accounting for 27.8% of workers.

How residents commute

0.4%

Drive alone

3.0%

Carpool

81.4%

Public transit

8.6%

Work from home

26.2 min

Avg commute

Housing

$165,300$-30,600 vs state

Median home value

$854

Median rent

76.9%

Homeownership rate

6,679

Total housing units

89.9%

Occupied

10.1%

Vacant

23.1%

Renter-occupied

Social & access

95.8%

With health insurance

93.5%

With broadband internet

49.0%

Foreign-born

9.3%

Veterans (18+)

12.2%

With a disability

98.9%

Speak language other than English at home

Education

93.5%

High School+

21.2%

Bachelor's+

Largest cities in Iowa

Des Moines (212,464)Cedar Rapids (136,859)Davenport (101,083)Sioux City (85,651)Iowa City (75,264)Ankeny (70,542)West Des Moines (69,893)Waterloo (66,947)Ames (66,112)Council Bluffs (62,564)All Iowa cities →

Other counties in Iowa

Polk County (497,441)Linn County (229,463)Scott County (174,302)Johnson County (154,881)Black Hawk County (130,693)Woodbury County (105,760)Dallas County (104,136)Dubuque County (98,948)Story County (98,592)Pottawattamie County (93,407)All Iowa counties →

Part of Iowa

Iowa demographic profile All Iowa data →

Metro areas in Iowa

Omaha (972,840)Des Moines (720,331)Davenport (381,864)Cedar Rapids (275,960)Iowa City (177,420)Waterloo (168,163)Sioux City (144,007)Ames (125,261)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All rankings →

Frequently Asked Questions

Harrison County, Iowa has a population of 14,645 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 52nd-largest county in Iowa. Population density is 21 people per square mile.

The population of Harrison County has declined 1.9% since 2010 (14,908 → 14,626), a -0.14% annualized rate.

The median household income in Harrison County, Iowa is $77,027, with mean (average) household income of $95,657 and per-capita income of $39,369. 4.7% of residents live below the federal poverty level.

In Harrison County, the largest racial and ethnic groups are White (96.2%), Hispanic or Latino (0.7%), Black or African American (0.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Harrison County, Iowa is 41.9 years. Residents are 49.1% female and 50.9% male.

The median home value in Harrison County is $165,300 and median monthly rent is $854. 76.9% of occupied housing units are owner-occupied. The county has 6,679 total housing units, 10.1% of which are vacant.

The largest employment sector in Harrison County, Iowa is professional, scientific, and management services, employing 27.8% of workers. The unemployment rate is 1.8%.

Des Moines is among the largest cities associated with Harrison County, Iowa, with a population of 212,464.