Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 44.4 yrs |
|---|---|
| Avg HH Size | 2.40 |
| Below Poverty | 7.1% ▼ 29% below avg |
| College Grads | 32.5% ▼ 16% below avg |
| Unemployment | 2.9% ▼ 40% below avg |
| No HS Diploma | 70 (0.7%) |
| HS Graduate | 3,893 (36.3%) |
| Some College | 1,721 (16.1%) |
| Associates | 1,525 (14.2%) |
| Bachelors | 1,300 (12.1%) |
| Graduate Degree | 2,204 (20.6%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $71,964 ≈ Avg |
|---|---|
| Median Home Value | $140,596 ▼ 50% below avg |
| Home/Income Ratio | 2.0x (nat avg ~3.5x) |
| Median Rent | $773/mo |
| Total Housing Units | 7,453 |
| Vacant Units | 910 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Mercer County is located in Illinois and encompasses 12 ZIP codes spanning 12 cities and communities. The county has an estimated population of 15,779 residents. With a median age of 44.38, it is a middle-aged county.
Mercer County has a solidly middle-class economic profile. The median household income of $71,963 is near the national average. Unemployment stands at 2.9%, below the national average. The poverty rate of 7.1% is well below the national average.
Housing in Mercer County is one of the more affordable housing markets in the country, with a median home value of $140,596 — below the national average. Monthly median rent is approximately $773. Homeownership rates are high at 82.7%, reflecting a largely residential, stable population.
The residents of Mercer County are primarily White (93.48%). Educational attainment is moderately educated — 32.5% of adults hold a bachelor's degree or higher, below the national average.
Mercer County, IL is a solidly middle-class area in Illinois. The 12 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.
| ZIP | City | Population | Median Income | Median Home | Median Rent | Unemp. | College |
|---|---|---|---|---|---|---|---|
| 61231 | Aledo | 4,958 | $66,389 | $141,200 | $772 | 1.3% | 36.6% |
| 61412 | Alexis | 1,310 | $79,087 | $106,600 | $894 | 1.5% | 42.6% |
| 61260 | Joy | 635 | $47,500 | $83,800 | $597 | 3.9% | 14.3% |
| 61442 | Keithsburg | 550 | $49,643 | $65,000 | $609 | 10.8% | 9.1% |
| 61263 | Matherville | 718 | $75,750 | $136,200 | $775 | 6.0% | 27.7% |
| 61272 | New Boston | 1,463 | $65,893 | $131,300 | — | 2.7% | 21.2% |
| 61465 | New Windsor | 1,251 | $57,014 | $110,400 | $625 | 2.4% | 27.6% |
| 61466 | North Henderson | 274 | $70,521 | $90,400 | — | 2.2% | 44.4% |
| 61476 | Seaton | 553 | $86,667 | $127,000 | $1,063 | 3.8% | 40.8% |
| 61281 | Sherrard | 2,610 | $96,295 | $223,300 | $769 | 2.2% | 36.5% |
| 61486 | Viola | 1,429 | $71,786 | $126,000 | $833 | 6.9% | 31.5% |