Plattville, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Plattville, Illinois had a total population of 225, the 1173rd largest village in Illinois, with a median household income of $113,750, which is 36% higher than the state average. The poverty rate is 0.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 36% above the state average — one of the wealthiest communities in Illinois.
Plattville Quick Facts
How Plattville 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 | 200 | 225 | +12.5% |
| Median household income | $140,313 | $113,750 | -18.9% |
| Median home value | $285,400 | $309,100 | +8.3% |
How Plattville 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
Moderate diversity with one or two groups making up the majority.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Plattville Rankings in Illinois
Explore Illinois Rankings
Other Cities in Kendall County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Yorkville | 23,617 | $108,513 | 3.3% | $335,300 |
| Plano | 12,203 | $86,271 | 10.2% | $230,700 |
| Boulder Hill | 8,989 | $80,377 | 8.8% | $238,700 |
| Sandwich | 7,219 | $80,768 | 10.3% | $255,700 |
| Newark | 1,138 | $99,375 | 4.4% | $241,100 |
| Millington | 729 | $81,775 | 7.7% | $230,700 |
| Lisbon | 373 | $99,375 | 1.9% | $231,300 |
| Millbrook | 243 | $137,560 | 4.5% | $361,900 |
Cities Similar to Plattville
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Colp | 223 | N/A | $69,300 | 18.9% | 47.1% |
| Ridgefield | 221 | N/A | $254,200 | 76.3% | 0.0% |
| Adair | 215 | N/A | $90,000 | 45.7% | 20.5% |
| Galt | 213 | $112,569 | N/A | 37.0% | 4.2% |
| Alexander | 239 | N/A | $118,200 | 18.9% | 0.0% |
A note before these figures: with a population of 225, Plattville'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
Plattville is a small community located in Illinois, within Kendall County. The total population is 225. It ranks as the 1173rd most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Plattville is 31.8 years. This is 18% lower than the state median of 39.0 years. With 32.4% of the population under 18, Plattville has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Plattville is $113,750. This is 36% higher than the state median of $83,390. It is also 41% higher than the national median of $80,734. The ACS records no residents below the poverty line in Plattville. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The unemployment rate is 7.1%. This is 22% higher than the state rate of 5.8%. The median home value is $309,100. Housing costs are 17% higher than the state median of $263,300. With a home-value-to-income ratio of just 2.7x, Plattville is one of the most affordable housing markets in the area. 94.1% of occupied housing units are owner-occupied. This homeownership rate is 40% higher than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Plattville is White (non-Hispanic), making up 62.7% of the population. Hispanic or Latino residents account for 24.9%. The Black or African American population (0.9%) is well below the state average of 13.3%.
Education
28.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 25% 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 94.7%.
Data Sources & Methodology
All demographic data for Plattville, 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 Plattville, Illinois?
Plattville, Illinois has a population of 225 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Plattville, IL?
The median household income in Plattville is $113,750, which is 41% higher than the national median of $80,734.
What is the poverty rate in Plattville, IL?
The ACS sample for Plattville recorded no residents below the federal poverty line. Because the community is small, this indicates that the survey did not capture poverty here rather than that no poverty exists — the estimate carries a wide margin of error.
What is the racial makeup of Plattville, Illinois?
Plattville's population is 62.7% White, 0.9% Black, 24.9% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Plattville, IL?
The median home value in Plattville is $309,100. The home-value-to-income ratio is 2.7x.
How educated is Plattville, Illinois?
28.2% of adults (25+) in Plattville hold a bachelor's degree or higher, and 4.6% hold a graduate or professional degree.