Lockport, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Lockport, Illinois had a total population of 26,409, the 84th largest city in Illinois, with a median household income of $111,981, which is 34% higher than the state average. The poverty rate is 6.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 34% above the state average — one of the wealthiest communities in Illinois.
Lockport Quick Facts
How Lockport Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 26,228 | 26,409 | +0.7% |
| Median household income | $113,252 | $111,981 | -1.1% |
| Median home value | $298,800 | $316,000 | +5.8% |
How Lockport Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Lockport Rankings in Illinois
Explore Illinois Rankings
Other Cities in Will County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Joliet | 150,445 | $92,201 | 11.1% | $265,800 |
| Plainfield | 46,708 | $144,000 | 4.2% | $431,400 |
| Romeoville | 41,152 | $106,325 | 5.5% | $257,100 |
| Oswego | 36,375 | $123,792 | 2.6% | $344,500 |
| New Lenox | 28,006 | $140,865 | 1.5% | $399,900 |
| Crest Hill | 20,628 | $73,033 | 12.0% | $232,900 |
| Mokena | 20,021 | $123,889 | 4.5% | $401,400 |
| Shorewood | 18,343 | $122,105 | 5.2% | $337,800 |
| Channahon | 13,927 | $119,494 | 5.9% | $327,900 |
| Minooka | 12,891 | $115,445 | 2.6% | $315,600 |
Cities Similar to Lockport
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Vernon Hills | 26,876 | $121,943 | $412,300 | 67.8% | 6.1% |
| Batavia | 27,151 | $120,056 | $387,400 | 56.5% | 5.5% |
| Morton Grove | 24,619 | $111,116 | $389,100 | 55.2% | 7.3% |
| West Chicago | 25,395 | $99,927 | $336,800 | 32.2% | 13.0% |
| Lake in the Hills | 28,800 | $117,151 | $321,900 | 35.8% | 4.1% |
Population Overview
Lockport is a mid-sized community located in Illinois, within Will County. The total population is 26,409. It ranks as the 84th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Lockport is 38.5 years. This is 1% lower than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Lockport is $111,981. This is 34% higher than the state median of $83,390. It is also 39% higher than the national median of $80,734. The poverty rate stands at 6.8%. This is 42% lower than the state poverty rate of 11.8%. The unemployment rate is 4.7%. This is 19% lower than the state rate of 5.8%. The median home value is $316,000. Housing costs are 20% higher than the state median of $263,300. With a home-value-to-income ratio of just 2.8x, Lockport is one of the most affordable housing markets in the area. 84.6% of occupied housing units are owner-occupied. This homeownership rate is 26% higher than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Lockport is White (non-Hispanic), making up 84.4% of the population. Hispanic or Latino residents account for 9.3%. The Black or African American population (1.0%) is well below the state average of 13.3%. The Hispanic or Latino population (9.3%) is well below the state average of 18.8%. The Asian population (1.1%) is well below the state average of 5.9%.
Education
44.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 18% higher than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.3%. Notably, 16.2% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Lockport, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
Free data download: Get all Illinois city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Lockport, Illinois?
Lockport, Illinois has a population of 26,409 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Lockport, IL?
The median household income in Lockport is $111,981, which is 39% higher than the national median of $80,734.
What is the poverty rate in Lockport, IL?
The poverty rate in Lockport is 6.8%. This means approximately 1,790 residents live below the federal poverty line.
What is the racial makeup of Lockport, Illinois?
Lockport's population is 84.4% White, 1.0% Black, 9.3% Hispanic/Latino, and 1.1% Asian.
What is the median home value in Lockport, IL?
The median home value in Lockport is $316,000. The home-value-to-income ratio is 2.8x.
How educated is Lockport, Illinois?
44.5% of adults (25+) in Lockport hold a bachelor's degree or higher, and 16.2% hold a graduate or professional degree.