Grundy County vs St. Clair County
A side-by-side comparison of Grundy County and St. Clair County: population, income, housing, and more.
Grundy County and St. Clair County are counties in Missouri. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
Grundy County has the higher population (9,822 vs 9,451 in St. Clair County). Grundy County has the higher median household income ($53,839 vs $46,731 in St. Clair County). St. Clair County has the higher median home value ($142,500 vs $107,000 in Grundy County).
Population, income & housing
| Grundy County | St. Clair County | |
|---|---|---|
| Population | 9,822 | 9,451 |
| Median age | 39.7 yrs | 47.2 yrs |
| Median household income | $53,839 | $46,731 |
| Median home value | $107,000 | $142,500 |
| Median gross rent | $679 | $607 |
| Housing units | 4,851 | 5,295 |
| Homeownership rate | 69.3% | 75.7% |
| Bachelor's degree or higher | 15.9% | 13.7% |
| Unemployment rate | 2.8% | 2.5% |
Trends (ACS 5-year, 2019–2023)
| Grundy County | St. Clair County | |
|---|---|---|
| Population | 9,992 → 9,822 (-1.7%) | 9,370 → 9,451 (+0.9%) |
| Median household income | $45,594 → $53,839 (+18.1%) | $38,870 → $46,731 (+20.2%) |
| Median home value | $98,400 → $107,000 (+8.7%) | $91,900 → $142,500 (+55.1%) |
| Median gross rent | $534 → $679 (+27.2%) | $574 → $607 (+5.7%) |
Grundy County
9,9929,822
$45,594$53,839
$98,400$107,000
$534$679
St. Clair County
9,3709,451
$38,870$46,731
$91,900$142,500
$574$607
Age & race/ethnicity
Age distribution (share)
| Grundy County | St. Clair County | |
|---|---|---|
| Under 5 | 7.3% | 5.4% |
| 5 to 17 | 18.3% | 15.6% |
| 18 to 24 | 7.0% | 6.3% |
| 25 to 34 | 11.7% | 9.7% |
| 35 to 44 | 10.6% | 10.4% |
| 45 to 54 | 9.9% | 11.3% |
| 55 to 64 | 13.4% | 15.6% |
| 65 to 74 | 11.1% | 14.5% |
| 75 and over | 10.7% | 11.3% |
Race & ethnicity (share)
| Grundy County | St. Clair County | |
|---|---|---|
| White (non-Hispanic) | 92.6% | 92.9% |
| Black or African American | 0.5% | 0.8% |
| American Indian & Alaska Native | 0.1% | 0.1% |
| Asian | 0.9% | 0.2% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.3% | 0.0% |
| Two or more races | 3.0% | 3.8% |
| Hispanic or Latino | 2.6% | 2.1% |
Educational attainment (age 25+)
Share of adults 25+
| Grundy County | St. Clair County | |
|---|---|---|
| No high school diploma | 14.6% | 12.1% |
| High school graduate | 38.0% | 43.8% |
| Some college or associate's | 31.5% | 30.5% |
| Bachelor's degree | 10.6% | 9.6% |
| Graduate or professional degree | 5.3% | 4.0% |
Commute to work
How workers get to work (share)
| Grundy County | St. Clair County | |
|---|---|---|
| Drove alone | 78.8% | 76.5% |
| Carpooled | 7.9% | 13.6% |
| Public transit | 0.5% | 0.1% |
| Walked | 4.6% | 2.8% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 6.3% | 6.6% |
| Other means | 1.7% | 0.5% |
Housing
Units in structure (share)
| Grundy County | St. Clair County | |
|---|---|---|
| 1-unit, detached | 80.7% | 73.4% |
| 1-unit, attached | 0.5% | 0.5% |
| 2 to 4 units | 8.8% | 3.6% |
| 5 to 19 units | 2.4% | 1.3% |
| 20 or more units | 1.6% | 0.6% |
| Mobile home & other | 6.1% | 20.6% |
Poverty & households
| Grundy County | St. Clair County | |
|---|---|---|
| Poverty rate | 16.8% | 16.3% |
| Average household size | 2.48 | 2.26 |
| Mean commute (minutes) | 17 | 29 |
| Median year structure built | 1962 | 1977 |
Full profiles
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