Data / Population density / Adams County

Population density in Adams County

Population density in Adams County was 3.3 inhabitants per km² in 2025, according to the U.S. Census Bureau. That is up 0.5% from 2024. That is the 99th highest of 99 counties in 2025.

2025, inhabitants per km²3.3
Change on 2024+0.5%
Rank99th of 99Counties in Iowa ranked
Series high3.42020
Series low3.22023

Population density in Adams County, 2020 to 2025

CSVChart (SVG)

3.23.253.33.353.42020202120222023202420252020: 3.4 inhabitants per km²2021: 3.3 inhabitants per km²2022: 3.3 inhabitants per km²2023: 3.2 inhabitants per km²2024: 3.3 inhabitants per km²2025: 3.3 inhabitants per km²
inhabitants per km². Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09, published 2026-03-26.
All 6 values
Periodinhabitants per km²
20253.3
20243.3
20233.2
20223.3
20213.3
20203.4

Compared with Iowa and United States

Place2025
Adams County3.3
Iowa22.4
United States37.3

Rankings

Definition

Resident population divided by land area in km². World Bank figures use mid-year population and land area excluding inland water.

United States: Census Bureau population estimates for 1 July divided by land area (water excluded) from the latest Census Gazetteer files. US tables often give people per square mile; multiply persons per km² by 2.59 to compare.

How to cite

U.S. Census Bureau. Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km². https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-09.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

What is the latest population density in Adams County? Cite the source.
get_value {"indicator":"population_density","place":"us-county-19003"}
GET https://invokely.ai/api/v1/value?indicator=population_density&place=us-county-19003

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

What is the population density in Adams County?

Population density in Adams County was 3.3 inhabitants per km² in 2025, according to the U.S. Census Bureau. That is up 0.5% from 2024. That is the 99th highest of 99 counties in 2025.

Where does this figure come from?

U.S. Census Bureau. Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km². Retrieved by Invokely on 2026-10-09.

What was the highest population density in Adams County?

3.4 inhabitants per km² in 2020, the highest value since 2020 in this series.

More statistics for Adams County

All statistics for Adams County