Population in Northlake, IL

Population in Northlake, IL was 12,462 in 2025, according to the U.S. Census Bureau. That is down 0.2% from 2024. That is the 193rd highest of 225 cities in 2025.

2025, persons12,462
Change on 2024-0.2%
Series high12,8292020
Series low12,4042023

Population in Northlake, IL, 2020 to 2025

12.4K12.5K12.6K12.7K12.8K12.9K2020202120222023202420252020: 12,829 persons2021: 12,607 persons2022: 12,441 persons2023: 12,404 persons2024: 12,486 persons2025: 12,462 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
202512,462
202412,486
202312,404
202212,441
202112,607
202012,829

Compared with Illinois and United States

Place2025
Northlake, IL12,462
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 Northlake, IL?

Population in Northlake, IL was 12,462 in 2025, according to the U.S. Census Bureau. That is down 0.2% from 2024. That is the 193rd 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 Northlake, IL?

12,829 in 2020, the highest value since 2020 in this series.

Population elsewhere in Illinois

All statistics for Northlake, IL