Piatt County vs Union County
A side-by-side comparison of Piatt County and Union County: population, income, housing, and more.
Piatt County and Union County are counties in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
Union County has the higher population (16,972 vs 16,702 in Piatt County). Piatt County has the higher median household income ($87,516 vs $56,420 in Union County). Piatt County has the higher median home value ($173,200 vs $131,700 in Union County).
Population, income & housing
| Piatt County | Union County | |
|---|---|---|
| Population | 16,702 | 16,972 |
| Median age | 42.5 yrs | 44.3 yrs |
| Median household income | $87,516 | $56,420 |
| Median home value | $173,200 | $131,700 |
| Median gross rent | $950 | $658 |
| Housing units | 7,380 | 7,861 |
| Homeownership rate | 85.4% | 76.8% |
| Bachelor's degree or higher | 31.9% | 20.9% |
| Unemployment rate | 3.3% | 5.2% |
Trends (ACS 5-year, 2019–2023)
| Piatt County | Union County | |
|---|---|---|
| Population | 16,401 → 16,702 (+1.8%) | 16,968 → 16,972 (+0.0%) |
| Median household income | $70,849 → $87,516 (+23.5%) | $50,625 → $56,420 (+11.4%) |
| Median home value | $138,600 → $173,200 (+25.0%) | $109,900 → $131,700 (+19.8%) |
| Median gross rent | $851 → $950 (+11.6%) | $612 → $658 (+7.5%) |
Piatt County
16,40116,702
$70,849$87,516
$138,600$173,200
$851$950
Union County
16,96816,972
$50,625$56,420
$109,900$131,700
$612$658
Age & race/ethnicity
Age distribution (share)
| Piatt County | Union County | |
|---|---|---|
| Under 5 | 5.2% | 5.4% |
| 5 to 17 | 16.7% | 16.0% |
| 18 to 24 | 6.8% | 6.5% |
| 25 to 34 | 11.0% | 10.9% |
| 35 to 44 | 12.8% | 11.8% |
| 45 to 54 | 12.3% | 13.0% |
| 55 to 64 | 14.7% | 14.2% |
| 65 to 74 | 11.9% | 12.4% |
| 75 and over | 8.5% | 9.7% |
Race & ethnicity (share)
| Piatt County | Union County | |
|---|---|---|
| White (non-Hispanic) | 95.1% | 90.1% |
| Black or African American | 1.5% | 0.8% |
| American Indian & Alaska Native | 0.0% | 0.1% |
| Asian | 0.2% | 0.4% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.1% |
| Some other race | 0.2% | 0.0% |
| Two or more races | 1.5% | 3.3% |
| Hispanic or Latino | 1.6% | 5.2% |
Educational attainment (age 25+)
Share of adults 25+
| Piatt County | Union County | |
|---|---|---|
| No high school diploma | 4.0% | 13.0% |
| High school graduate | 33.2% | 34.9% |
| Some college or associate's | 31.0% | 31.3% |
| Bachelor's degree | 20.6% | 14.1% |
| Graduate or professional degree | 11.3% | 6.8% |
Commute to work
How workers get to work (share)
| Piatt County | Union County | |
|---|---|---|
| Drove alone | 85.1% | 84.1% |
| Carpooled | 5.8% | 7.2% |
| Public transit | 0.3% | 0.0% |
| Walked | 1.5% | 1.1% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 6.9% | 5.6% |
| Other means | 0.5% | 2.0% |
Housing
Units in structure (share)
| Piatt County | Union County | |
|---|---|---|
| 1-unit, detached | 85.8% | 76.1% |
| 1-unit, attached | 5.0% | 0.9% |
| 2 to 4 units | 3.3% | 4.6% |
| 5 to 19 units | 2.0% | 1.8% |
| 20 or more units | 1.7% | 3.0% |
| Mobile home & other | 2.2% | 13.6% |
Poverty & households
| Piatt County | Union County | |
|---|---|---|
| Poverty rate | 5.9% | 19.4% |
| Average household size | 2.42 | 2.34 |
| Mean commute (minutes) | 24 | 26 |
| Median year structure built | 1972 | 1975 |
Full profiles
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