Sullivan, IL
Population 4,253 · Illinois
About Sullivan, IL
Sullivan is a small community in Illinois with a population of 4,253 residents. The median household income is $62,845 per year, which is near the national average. The median age in Sullivan is 38.1 years.
Housing in Sullivan has a median home value of $95,600 and median monthly rent of $790. Of the 1,895 total housing units, the majority are owner-occupied, with 1,298 owner-occupied and 482 renter-occupied units.
The unemployment rate in Sullivan is 2.4% and the poverty rate is 11.6%. 17.4% of residents hold a bachelor's degree or higher. The average commute time is 17.1 minutes.
Cost of Living in Sullivan, IL
Compared to national averages, Sullivan has a median household income of $62,845 (16% below the national median of $75,149). Home values average $95,600, which is 61% below the national median. Monthly rent at $790 is 32% below the US average of $1,163. Within Illinois, Sullivan's income is 16% below the state average of $75,072, and home values are 42% below the state median of $165,779.
Why Live in Sullivan, IL?
Sullivan offers affordable housing with a median home value of $95,600, below the US average of $244,900, and rent that’s lower than the national average at $790/month, and a strong job market with an unemployment rate of just 2.4%. Additionally, the city features a low poverty rate of 11.6%, better than the national average, and short commute times averaging just 17.1 minutes.
Potential considerations include median household income ($62,845) that falls below the national average. However, Sullivan’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Sullivan has a population of 4,253 with a median age of 38.1 years. Compare Sullivan with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Sullivan
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Shelbyville | 4,248 | $54,400 | $111,200 | Compare |
| West Peoria | 4,246 | $57,450 | $92,500 | Compare |
| Hometown | 4,244 | $59,265 | $152,000 | Compare |
| Lawrenceville | 4,241 | $44,885 | $77,600 | Compare |
| Anna | 4,222 | $36,238 | $128,200 | Compare |
| Sherman | 4,211 | $147,025 | $291,300 | Compare |
| Poplar Grove | 4,202 | $93,409 | $253,500 | Compare |
| Paxton | 4,201 | $60,470 | $116,700 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Illinois
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Sullivan
What is the population of Sullivan, IL?
The population of Sullivan, IL is 4,253 according to the latest Census data.
What is the median household income in Sullivan?
The median household income in Sullivan, IL is $62,845 per year.
What is the median home value in Sullivan?
The median home value in Sullivan, IL is $95,600.
What is the average rent in Sullivan?
The median monthly rent in Sullivan, IL is $790.
What is the unemployment rate in Sullivan?
The unemployment rate in Sullivan, IL is 2.4%.