Potomac, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Potomac, Illinois had a total population of 605, the 869th largest village in Illinois, with a median household income of $53,194, which is 36% lower than the state average. The poverty rate is 7.6%.
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 1.8x.
Potomac Quick Facts
How Potomac 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 | 612 | 605 | -1.1% |
| Median household income | $52,404 | $53,194 | +1.5% |
| Median home value | $79,600 | $95,500 | +20.0% |
How Potomac 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+)
Potomac Rankings in Illinois
Explore Illinois Rankings
Other Cities in Vermilion County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Danville | 28,595 | $45,957 | 24.5% | $79,000 |
| Hoopeston | 5,034 | $60,861 | 15.6% | $78,100 |
| Westville | 3,419 | $54,912 | 18.6% | $100,000 |
| Georgetown | 3,069 | $58,182 | 17.3% | $71,800 |
| Tilton | 2,453 | $55,697 | 17.3% | $70,400 |
| Catlin | 2,160 | $72,277 | 3.9% | $124,700 |
| Oakwood | 1,380 | $46,293 | 24.8% | $103,000 |
| Rossville | 1,332 | $62,417 | 10.4% | $92,200 |
| Ridge Farm | 827 | $50,313 | 10.2% | $73,200 |
| Rankin | 601 | $41,250 | 49.1% | $56,900 |
Cities Similar to Potomac
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Godley | 602 | $53,438 | $144,600 | 8.5% | 16.5% |
| Danforth | 611 | $54,625 | $151,200 | 22.1% | 26.7% |
| Hutsonville | 590 | $55,982 | $67,400 | 20.8% | 24.3% |
| Shipman | 618 | $56,771 | $89,400 | 16.0% | 13.7% |
| Tamms | 589 | $50,046 | $55,700 | 15.0% | 17.1% |
A note before these figures: with a population of 605, Potomac'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
Potomac is a small community located in Illinois, within Vermilion County. The total population is 605. It ranks as the 869th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Potomac is 40.1 years. This is 3% higher than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Potomac is $53,194. 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 7.6%. This is 35% lower than the state poverty rate of 11.8%. The unemployment rate is 4.0%. This is 31% lower than the state rate of 5.8%. The median home value is $95,500. Housing costs are 64% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.8x, Potomac is one of the most affordable housing markets in the area. 75.9% of occupied housing units are owner-occupied. This homeownership rate is 13% higher than the state average of 67.1%.
Race & Ethnicity
Potomac has a predominantly White (non-Hispanic) population, comprising 86.6% of all residents. Hispanic or Latino residents account for 10.7%. The Black or African American population (1.0%) is well below the state average of 13.3%.
Education
12.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 67% 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 91.4%.
Data Sources & Methodology
All demographic data for Potomac, 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 Potomac, Illinois?
Potomac, Illinois has a population of 605 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Potomac, IL?
The median household income in Potomac is $53,194, which is 34% lower than the national median of $80,734.
What is the poverty rate in Potomac, IL?
The poverty rate in Potomac is 7.6%. This means approximately 46 residents live below the federal poverty line.
What is the racial makeup of Potomac, Illinois?
Potomac's population is 86.6% White, 1.0% Black, 10.7% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Potomac, IL?
The median home value in Potomac is $95,500. The home-value-to-income ratio is 1.8x.
How educated is Potomac, Illinois?
12.5% of adults (25+) in Potomac hold a bachelor's degree or higher, and 4.4% hold a graduate or professional degree.