Population in Freeport, IL

Population in Freeport, IL was 23,202 in 2025, according to the U.S. Census Bureau. That is down 0.5% from 2024. That is the 103rd highest of 225 cities in 2025.

2025, persons23,202
Change on 2024-0.5%
Series high23,9582020
Series low23,2022025

Population in Freeport, IL, 2020 to 2025

23.2K23.4K23.6K23.8K24K2020202120222023202420252020: 23,958 persons2021: 23,726 persons2022: 23,484 persons2023: 23,371 persons2024: 23,311 persons2025: 23,202 persons
persons. Source: U.S. Census Bureau, Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). Retrieved 2026-10-12, published 2026-05-14.
All 6 values
Periodpersons
202523,202
202423,311
202323,371
202223,484
202123,726
202023,958

Compared with Illinois and United States

Place2025
Freeport, IL23,202
Illinois12,719,141
United States341,784,857

Rankings

Definition

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). Norway: Statistics Norway, 1 January. United States: Census Bureau population estimates for 1 July. United Kingdom regions and local authorities: Office for National Statistics estimates for 30 June. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.

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 incorporated places, 1 July (Population Estimates Program, subcounty totals). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-12.

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 in Freeport, IL? Cite the source.
get_value {"indicator":"population","place":"us-place-1727884"}
GET https://invokely.ai/api/v1/value?indicator=population&place=us-place-1727884

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

Questions

What is the population in Freeport, IL?

Population in Freeport, IL was 23,202 in 2025, according to the U.S. Census Bureau. That is down 0.5% from 2024. That is the 103rd highest of 225 cities in 2025.

Where does this figure come from?

U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). Retrieved by Invokely on 2026-10-12.

What was the highest population in Freeport, IL?

23,958 in 2020, the highest value since 2020 in this series.

Population elsewhere in Illinois

All statistics for Freeport, IL