Washington, IL
Population 15,946 · Illinois
About Washington, IL
Washington is a mid-sized city in Illinois with a population of 15,946 residents. The median household income is $91,360 per year, which is above the national average. The median age in Washington is 37.3 years.
Housing in Washington has a median home value of $216,700 and median monthly rent of $1,087. Of the 6,322 total housing units, the majority are owner-occupied, with 4,886 owner-occupied and 1,222 renter-occupied units.
The unemployment rate in Washington is 1.2% and the poverty rate is 4.8%. 43.8% of residents hold a bachelor's degree or higher. The average commute time is 20.2 minutes.
Cost of Living in Washington, IL
Compared to national averages, Washington has a median household income of $91,360 (22% above the national median of $75,149). Home values average $216,700, which is 12% below the national median. Monthly rent at $1,087 is 7% below the US average of $1,163. Within Illinois, Washington's income is 22% above the state average of $75,072, and home values are 31% above the state median of $165,779.
Why Live in Washington, IL?
Washington offers a strong local economy with a median household income of $91,360, well above the national average, and affordable housing with a median home value of $216,700, below the US average of $244,900, and rent that’s lower than the national average at $1,087/month. Additionally, the city features a strong job market with an unemployment rate of just 1.2%, and a well-educated community where 43.8% of residents hold a bachelor’s degree or higher, and a low poverty rate of 4.8%, better than the national average, and short commute times averaging just 20.2 minutes.
Washington has a population of 15,946 with a median age of 37.3 years. Compare Washington with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Washington
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| La Grange | 15,999 | $154,556 | $582,600 | Compare |
| Prospect Heights | 15,681 | $91,599 | $347,500 | Compare |
| Fairview Heights | 16,255 | $77,960 | $166,800 | Compare |
| Mattoon | 16,334 | $47,308 | $96,000 | Compare |
| Country Club Hills | 16,419 | $77,463 | $180,600 | Compare |
| Morton | 16,503 | $87,760 | $238,900 | Compare |
| Westchester | 16,524 | $103,561 | $297,400 | Compare |
| Bradley | 15,331 | $62,940 | $164,400 | 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 Washington
What is the population of Washington, IL?
The population of Washington, IL is 15,946 according to the latest Census data.
What is the median household income in Washington?
The median household income in Washington, IL is $91,360 per year.
What is the median home value in Washington?
The median home value in Washington, IL is $216,700.
What is the average rent in Washington?
The median monthly rent in Washington, IL is $1,087.
What is the unemployment rate in Washington?
The unemployment rate in Washington, IL is 1.2%.