Data / Population / Shelby County

Population in Shelby County

Population in Shelby County was 11,689 in 2025, according to the U.S. Census Bureau. That is down 0.8% from 2024. That is the 64th highest of 99 counties in 2025.

2025, persons11,689
Change on 2024-0.8%
Rank64th of 99Counties in Iowa ranked
Series high11,7882023
Series low11,6892025

Population in Shelby County, 2020 to 2025

CSVChart (SVG)

11.7K11.7K11.7K11.7K11.8K11.8K11.8K2020202120222023202420252020: 11,718 persons2021: 11,763 persons2022: 11,717 persons2023: 11,788 persons2024: 11,778 persons2025: 11,689 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
202511,689
202411,778
202311,788
202211,717
202111,763
202011,718

Compared with Iowa and United States

Place2025
Shelby County11,689
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 Shelby County? Cite the source.
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Questions

What is the population in Shelby County?

Population in Shelby County was 11,689 in 2025, according to the U.S. Census Bureau. That is down 0.8% from 2024. That is the 64th 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 Shelby County?

11,788 in 2023, the highest value since 2020 in this series.

More statistics for Shelby County

All statistics for Shelby County