Population in Pontiac, IL

Population in Pontiac, IL was 10,806 in 2025, according to the U.S. Census Bureau. That is down 0.8% from 2024. That is the 213th highest of 225 cities in 2025.

2025, persons10,806
Change on 2024-0.8%
Series high11,2402021
Series low10,8062025

Population in Pontiac, IL, 2020 to 2025

10.8K10.9K11K11.1K11.2K11.3K2020202120222023202420252020: 11,199 persons2021: 11,240 persons2022: 11,154 persons2023: 10,944 persons2024: 10,898 persons2025: 10,806 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
202510,806
202410,898
202310,944
202211,154
202111,240
202011,199

Compared with Illinois and United States

Place2025
Pontiac, IL10,806
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.

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Questions

What is the population in Pontiac, IL?

Population in Pontiac, IL was 10,806 in 2025, according to the U.S. Census Bureau. That is down 0.8% from 2024. That is the 213th 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 Pontiac, IL?

11,240 in 2021, the highest value since 2020 in this series.

Population elsewhere in Illinois

All statistics for Pontiac, IL