Prophetstown, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Prophetstown, Illinois had a total population of 1,903, the 518th largest city in Illinois, with a median household income of $65,125, which is 22% lower than the state average. The poverty rate is 11.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 1.8x.
Prophetstown Quick Facts
How Prophetstown 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 | 1,828 | 1,903 | +4.1% |
| Median household income | $66,797 | $65,125 | -2.5% |
| Median home value | $116,300 | $116,600 | +0.3% |
How Prophetstown 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+)
Prophetstown Rankings in Illinois
Explore Illinois Rankings
Other Cities in Whiteside County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Sterling | 14,717 | $57,350 | 15.3% | $108,700 |
| Rock Falls | 8,587 | $49,600 | 25.6% | $83,900 |
| Morrison | 3,739 | $69,089 | 8.1% | $118,000 |
| Fulton | 3,709 | $45,581 | 14.8% | $121,700 |
| Erie | 1,614 | $82,760 | 3.0% | $151,900 |
| Albany | 776 | $62,857 | 4.0% | $148,800 |
| Tampico | 565 | $56,250 | 13.0% | $86,000 |
| Como | 535 | $63,750 | 20.6% | $175,700 |
| Lyndon | 433 | $60,104 | 4.4% | $113,500 |
| Galt | 213 | $112,569 | 4.2% | N/A |
Cities Similar to Prophetstown
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Lacon | 1,916 | $63,162 | $121,900 | 9.7% | 14.8% |
| Farmer City | 1,885 | $67,067 | $138,500 | 17.5% | 8.2% |
| Earlville | 1,942 | $63,553 | $142,200 | 9.5% | 16.5% |
| Moweaqua | 1,915 | $69,625 | $114,500 | 18.4% | 3.4% |
| Minonk | 1,941 | $69,352 | $120,500 | 20.1% | 10.3% |
Population Overview
Prophetstown is a small community located in Illinois, within Whiteside County. The total population is 1,903. It ranks as the 518th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Prophetstown is 43.7 years. This is 12% higher than the state median of 39.0 years. 12.9% 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 Prophetstown is $65,125. This is 22% lower than the state median of $83,390. It is also 19% lower than the national median of $80,734. The poverty rate stands at 11.7%. This is about the same as the state poverty rate of 11.8%. The unemployment rate is 7.2%. This is 23% higher than the state rate of 5.8%. The median home value is $116,600. Housing costs are 56% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.8x, Prophetstown is one of the most affordable housing markets in the area. 74.7% of occupied housing units are owner-occupied. This homeownership rate is 11% higher than the state average of 67.1%.
Race & Ethnicity
Prophetstown has a predominantly White (non-Hispanic) population, comprising 89.7% of all residents. Black or African American residents account for 2.8%. The White (non-Hispanic) population is significantly higher than the state average (89.7% vs 58.1%). The Black or African American population (2.8%) is well below the state average of 13.3%. The Hispanic or Latino population (1.4%) is well below the state average of 18.8%. The Asian population (0.4%) is well below the state average of 5.9%.
Education
14.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 61% 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 92.5%.
Data Sources & Methodology
All demographic data for Prophetstown, 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 Prophetstown, Illinois?
Prophetstown, Illinois has a population of 1,903 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Prophetstown, IL?
The median household income in Prophetstown is $65,125, which is 19% lower than the national median of $80,734.
What is the poverty rate in Prophetstown, IL?
The poverty rate in Prophetstown is 11.7%. This means approximately 205 residents live below the federal poverty line.
What is the racial makeup of Prophetstown, Illinois?
Prophetstown's population is 89.7% White, 2.8% Black, 1.4% Hispanic/Latino, and 0.4% Asian.
What is the median home value in Prophetstown, IL?
The median home value in Prophetstown is $116,600. The home-value-to-income ratio is 1.8x.
How educated is Prophetstown, Illinois?
14.8% of adults (25+) in Prophetstown hold a bachelor's degree or higher, and 4.3% hold a graduate or professional degree.