Data / Population / Greene County

Population in Greene County

Population in Greene County was 8,658 in 2025, according to the U.S. Census Bureau. That is unchanged from 2024. That is the 84th highest of 99 counties in 2025.

2025, persons8,658
Change on 20240%
Rank84th of 99Counties in Iowa ranked
Series high8,7492020
Series low8,6032023

Population in Greene County, 2020 to 2025

CSVChart (SVG)

8,6008,6508,7008,7502020202120222023202420252020: 8,749 persons2021: 8,728 persons2022: 8,706 persons2023: 8,603 persons2024: 8,654 persons2025: 8,658 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20258,658
20248,654
20238,603
20228,706
20218,728
20208,749

Compared with Iowa and United States

Place2025
Greene County8,658
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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Questions

What is the population in Greene County?

Population in Greene County was 8,658 in 2025, according to the U.S. Census Bureau. That is unchanged from 2024. That is the 84th 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 Greene County?

8,749 in 2020, the highest value since 2020 in this series.

More statistics for Greene County

All statistics for Greene County