London Mills, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, London Mills, Illinois had a total population of 328, the 1056th largest village in Illinois, with a median household income of $53,125, which is 36% lower than the state average. The poverty rate is 23.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 36% below the state average, indicating significant economic challenges.
- Housing is very affordable with a home-value-to-income ratio of just 1.2x.
- Unemployment rate of 10.4% is notably above the national average.
London Mills Quick Facts
How London Mills 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 | 356 | 328 | -7.9% |
| Median household income | $52,656 | $53,125 | +0.9% |
| Median home value | $54,800 | $64,400 | +17.5% |
How London Mills 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+)
London Mills Rankings in Illinois
Explore Illinois Rankings
Other Cities in Knox County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Galesburg | 29,481 | $48,297 | 19.1% | $96,400 |
| Abingdon | 3,443 | $61,653 | 9.2% | $99,600 |
| Knoxville | 3,211 | $82,863 | 7.2% | $145,300 |
| Oak Run | 800 | $100,417 | 3.3% | $298,300 |
| Oneida | 719 | $66,791 | 3.6% | $114,100 |
| East Galesburg | 713 | $79,333 | 17.5% | $123,700 |
| Wataga | 710 | $62,917 | 9.3% | $97,600 |
| Williamsfield | 531 | $82,417 | 4.0% | $109,800 |
| Yates City | 500 | $63,750 | 6.3% | $97,100 |
| Altona | 498 | $69,375 | 7.6% | $102,000 |
Cities Similar to London Mills
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Creal Springs | 324 | $53,125 | $55,800 | 17.8% | 21.3% |
| Herrick | 333 | $53,750 | $73,800 | 7.6% | 9.3% |
| Flat Rock | 337 | $51,667 | $66,600 | 7.2% | 11.9% |
| Lomax | 318 | $51,875 | $79,000 | 17.4% | 11.0% |
| Winslow | 338 | $55,156 | $111,800 | 9.2% | 27.8% |
A note before these figures: with a population of 328, London Mills's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
London Mills is a small community located in Illinois, within Knox County. The total population is 328. It ranks as the 1056th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in London Mills is 45.0 years. This is 15% higher than the state median of 39.0 years.
Economy, Income & Housing
The median household income in London Mills is $53,125. This is 36% lower than the state median of $83,390. It is also 34% lower than the national median of $80,734. The poverty rate stands at 23.5%. This is 99% higher than the state poverty rate of 11.8%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 10.4%. This is 79% higher than the state rate of 5.8%. The median home value is $64,400. Housing costs are 76% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.2x, London Mills is one of the most affordable housing markets in the area. 85.7% of occupied housing units are owner-occupied. This homeownership rate is 28% higher than the state average of 67.1%.
Race & Ethnicity
London Mills has a predominantly White (non-Hispanic) population, comprising 97.9% of all residents. Hispanic or Latino residents account for 0.6%. The White (non-Hispanic) population is significantly higher than the state average (97.9% vs 58.1%). The Hispanic or Latino population (0.6%) is well below the state average of 18.8%.
Education
11.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 69% lower 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 90.0%.
Data Sources & Methodology
All demographic data for London Mills, 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 London Mills, Illinois?
London Mills, Illinois has a population of 328 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in London Mills, IL?
The median household income in London Mills is $53,125, which is 34% lower than the national median of $80,734.
What is the poverty rate in London Mills, IL?
The poverty rate in London Mills is 23.5%. This means approximately 77 residents live below the federal poverty line.
What is the racial makeup of London Mills, Illinois?
London Mills's population is 97.9% White, 0.0% Black, 0.6% Hispanic/Latino, and 0.0% Asian.
What is the median home value in London Mills, IL?
The median home value in London Mills is $64,400. The home-value-to-income ratio is 1.2x.
How educated is London Mills, Illinois?
11.8% of adults (25+) in London Mills hold a bachelor's degree or higher, and 0.4% hold a graduate or professional degree.