Data / Population / Harrison County

Population in Harrison County

Population in Harrison County was 14,623 in 2025, according to the U.S. Census Bureau. That is up 0.2% from 2024. That is the 53rd highest of 99 counties in 2025.

2025, persons14,623
Change on 2024+0.2%
Rank53rd of 99Counties in Iowa ranked
Series high14,6812021
Series low14,5602020

Population in Harrison County, 2020 to 2025

CSVChart (SVG)

14.6K14.6K14.6K14.6K14.7K14.7K14.7K2020202120222023202420252020: 14,560 persons2021: 14,681 persons2022: 14,621 persons2023: 14,649 persons2024: 14,594 persons2025: 14,623 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
202514,623
202414,594
202314,649
202214,621
202114,681
202014,560

Compared with Iowa and United States

Place2025
Harrison County14,623
Iowa3,238,387
United States341,784,857

Rankings

Definition

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.

For Denmark, Statistics Denmark counts the registered resident population on 1 January. Greenland and the Faroe Islands are excluded. The annual series selects the first-quarter reference date from FOLK1A. The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.

How to cite

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.

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What is the latest population in Harrison County? Cite the source.
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Questions

What is the population in Harrison County?

Population in Harrison County was 14,623 in 2025, according to the U.S. Census Bureau. That is up 0.2% from 2024. That is the 53rd highest of 99 counties in 2025.

Where does this figure come from?

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). Retrieved by Invokely on 2026-10-08.

What was the highest population in Harrison County?

14,681 in 2021, the highest value since 2020 in this series.

More statistics for Harrison County

All statistics for Harrison County