Population in Aurora, IL

Population in Aurora, IL was 181,505 in 2025, according to the U.S. Census Bureau. That is up 0.3% from 2024. That is the 2nd highest of 225 cities in 2025.

2025, persons181,505
Change on 2024+0.3%
Series high181,5052025
Series low179,1142022

Population in Aurora, IL, 2020 to 2025

179K179.5K180K180.5K181K181.5K182K2020202120222023202420252020: 180,264 persons2021: 179,458 persons2022: 179,114 persons2023: 179,717 persons2024: 180,910 persons2025: 181,505 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
2025181,505
2024180,910
2023179,717
2022179,114
2021179,458
2020180,264

Compared with Illinois and United States

Place2025
Aurora, IL181,505
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 Aurora, IL?

Population in Aurora, IL was 181,505 in 2025, according to the U.S. Census Bureau. That is up 0.3% from 2024. That is the 2nd 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 Aurora, IL?

181,505 in 2025, the highest value since 2020 in this series.

Population elsewhere in Illinois

All statistics for Aurora, IL