Summerfield, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Summerfield, Illinois had a total population of 248, the 1140th largest village in Illinois, with a median household income of $51,944, which is 38% lower than the state average. The poverty rate is 14.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 38% below the state average, indicating significant economic challenges.
- Only 9.8% of adults have a bachelor's degree, well below the national average of 35.7%.
- Housing is very affordable with a home-value-to-income ratio of just 1.5x.
- Unemployment rate of 10.7% is notably above the national average.
Summerfield Quick Facts
How Summerfield 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 | 358 | 248 | -30.7% |
| Median household income | $58,661 | $51,944 | -11.5% |
| Median home value | $84,100 | $75,700 | -10.0% |
How Summerfield 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+)
Summerfield Rankings in Illinois
Explore Illinois Rankings
Other Cities in St. Clair County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Belleville | 41,370 | $63,535 | 14.6% | $141,300 |
| O'Fallon | 32,262 | $105,982 | 6.2% | $295,700 |
| East St. Louis | 17,999 | $35,700 | 32.8% | $52,600 |
| Fairview Heights | 16,745 | $80,930 | 8.8% | $177,700 |
| Swansea | 14,710 | $91,587 | 8.7% | $223,600 |
| Shiloh | 14,572 | $99,573 | 6.8% | $274,000 |
| Columbia | 11,127 | $107,606 | 5.4% | $293,000 |
| Mascoutah | 8,816 | $97,375 | 9.8% | $224,900 |
| Freeburg | 4,592 | $92,065 | 6.7% | $241,200 |
| Lebanon | 4,474 | $88,750 | 14.8% | $170,700 |
Cities Similar to Summerfield
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Middletown | 249 | $52,188 | $60,000 | 9.9% | 35.5% |
| Carman | 250 | N/A | N/A | 24.4% | 0.0% |
| Cypress | 252 | $52,083 | $65,000 | 2.4% | 21.4% |
| Jewett | 251 | $52,708 | $57,200 | 10.2% | 28.7% |
| Alexander | 239 | N/A | $118,200 | 18.9% | 0.0% |
A note before these figures: with a population of 248, Summerfield'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
Summerfield is a small community located in Illinois, within St. Clair County. The total population is 248. It ranks as the 1140th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Summerfield is 46.5 years. This is 19% higher than the state median of 39.0 years. 13.7% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Summerfield is $51,944. This is 38% lower than the state median of $83,390. It is also 36% lower than the national median of $80,734. The poverty rate stands at 14.9%. This is 26% higher than the state poverty rate of 11.8%. The unemployment rate is 10.7%. This is 83% higher than the state rate of 5.8%. The median home value is $75,700. Housing costs are 71% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.5x, Summerfield is one of the most affordable housing markets in the area. 85.0% of occupied housing units are owner-occupied. This homeownership rate is 27% higher than the state average of 67.1%.
Race & Ethnicity
Summerfield has a predominantly White (non-Hispanic) population, comprising 94.8% of all residents. Hispanic or Latino residents account for 2.4%. The White (non-Hispanic) population is significantly higher than the state average (94.8% vs 58.1%). The Hispanic or Latino population (2.4%) is well below the state average of 18.8%.
Education
9.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 74% 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 81.8%.
Data Sources & Methodology
All demographic data for Summerfield, 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.
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Frequently Asked Questions
What is the population of Summerfield, Illinois?
Summerfield, Illinois has a population of 248 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Summerfield, IL?
The median household income in Summerfield is $51,944, which is 36% lower than the national median of $80,734.
What is the poverty rate in Summerfield, IL?
The poverty rate in Summerfield is 14.9%. This means approximately 37 residents live below the federal poverty line.
What is the racial makeup of Summerfield, Illinois?
Summerfield's population is 94.8% White, 0.0% Black, 2.4% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Summerfield, IL?
The median home value in Summerfield is $75,700. The home-value-to-income ratio is 1.5x.
How educated is Summerfield, Illinois?
9.8% of adults (25+) in Summerfield hold a bachelor's degree or higher, and 2.0% hold a graduate or professional degree.