Lockport, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Lockport, Illinois is 26,228 as of the 2023 American Community Survey, making it the 85th-largest city in Illinois. The median household income is $113,252, the median home value is $298,800, and the median age is 37.9.
The population has grown 8.2% since 2010 (24,865 → 26,915).
26,228
Population
2233
People / sq mi
$113,252
Median Income
$298,800
Median Home Value
Lockport covers 11.7 sq mi of land at 2233 people per square mile.
About Lockport, IL
Lockport is a city in Illinois with a population of 26,228. It ranks #85 among cities in Illinois by population. The median age is 37.9, in line with the national median. The population is 49.3% male and 50.7% female.
The median household income in Lockport is $113,252, above the US median of $74,580. 4.7% of residents live below the federal poverty level. Home values sit at a median of $298,800, with monthly rent averaging $1,503. The homeownership rate of 83.6% is higher than the national rate of 64.8%.
Educational attainment in Lockport reflects 44.4% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 12.7% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 35.9 minutes each way.
Lockport city Population History (2010-2024)
The city of Lockport city had a population of 24,865 in 2010 and 26,915 in 2024, a 8.2% growth over 14 years. The peak was 26,915 in 2024. Average annual growth rate: 0.57%.
26,915
Population (2024)
24,865
Population (2010)
26,915
Peak (2024)
0.57%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 24,865 |
| 2011 | 24,955 |
| 2012 | 25,020 |
| 2013 | 25,020 |
| 2014 | 25,024 |
| 2015 | 25,076 |
| 2016 | 25,140 |
| 2017 | 25,317 |
| 2018 | 25,436 |
| 2019 | 25,615 |
| 2020 | 26,153 |
| 2021 | 26,156 |
| 2022 | 26,141 |
| 2023 | 26,631 |
| 2024 | 26,915 |
Race & Ethnicity
| White | 88.7% |
| Black or African American | 1.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.7% |
| Two or More Races | 0.0% |
Economy & Income
$113,252
Median Household Income
$50,534
Per Capita Income
4.7%
Poverty Rate
3.7%
Unemployment Rate
Housing
$298,800
Median Home Value
$1,503
Median Rent
83.6%
Owner-Occupied
Education
97.0%
High School+
44.4%
Bachelor's+
Commute
1.8%
Drive Alone
80.0%
Public Transit
12.7%
Work From Home
35.9 min
Avg Commute
Community Profile
8.8%
Foreign Born
87.8%
Non-English at Home
4.4%
Veterans
8.3%
With Disability
97.3%
Health Insurance
97.0%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 23.6% |
| Finance, Insurance & Real Estate | 12.2% |
| Manufacturing | 9.9% |
| Information | 9.9% |
| Retail Trade | 8.7% |
| Education, Health Care & Social Services | 8.4% |
| Construction | 7.2% |
| Public Administration | 4.4% |
| Arts, Entertainment & Food Services | 3.3% |
| Transportation & Warehousing | 1.1% |
| Agriculture & Mining | 0.2% |
Largest cities in Illinois
Largest counties in Illinois
Part of Illinois
Metro areas in Illinois
City rankings
Frequently Asked Questions
Lockport, Illinois has a population of 26,228 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 85th-largest city in Illinois.
The median household income in Lockport, Illinois is $113,252, with 4.7% of residents living below the federal poverty level.
The median home value in Lockport, Illinois is $298,800, with median monthly rent at $1,503 and a homeownership rate of 83.6%.
The median age in Lockport, Illinois is 37.9 years. The population is 49.3% male and 50.7% female.
The population has grown 8.2% since 2010 (24,865 → 26,915).
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.