McHenry County vs Sangamon County
A side-by-side comparison of McHenry County and Sangamon County: population, income, housing, and more.
McHenry County and Sangamon County are counties in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
McHenry County has the higher population (311,366 vs 195,217 in Sangamon County). McHenry County has the higher median household income ($102,836 vs $74,114 in Sangamon County). McHenry County has the higher median home value ($286,900 vs $170,300 in Sangamon County).
Population, income & housing
| McHenry County | Sangamon County | |
|---|---|---|
| Population | 311,366 | 195,217 |
| Median age | 40.4 yrs | 40.8 yrs |
| Median household income | $102,836 | $74,114 |
| Median home value | $286,900 | $170,300 |
| Median gross rent | $1,358 | $954 |
| Housing units | 120,605 | 93,151 |
| Homeownership rate | 82.6% | 70.6% |
| Bachelor's degree or higher | 35.2% | 35.1% |
| Unemployment rate | 4.7% | 5.5% |
Trends (ACS 5-year, 2019–2023)
| McHenry County | Sangamon County | |
|---|---|---|
| Population | 307,714 → 311,366 (+1.2%) | 196,861 → 195,217 (-0.8%) |
| Median household income | $86,799 → $102,836 (+18.5%) | $61,912 → $74,114 (+19.7%) |
| Median home value | $224,500 → $286,900 (+27.8%) | $141,200 → $170,300 (+20.6%) |
| Median gross rent | $1,197 → $1,358 (+13.5%) | $820 → $954 (+16.3%) |
McHenry County
307,714311,366
$86,799$102,836
$224,500$286,900
$1,197$1,358
Sangamon County
196,861195,217
$61,912$74,114
$141,200$170,300
$820$954
Age & race/ethnicity
Age distribution (share)
| McHenry County | Sangamon County | |
|---|---|---|
| Under 5 | 5.3% | 5.6% |
| 5 to 17 | 17.7% | 16.4% |
| 18 to 24 | 8.1% | 7.9% |
| 25 to 34 | 11.5% | 12.2% |
| 35 to 44 | 13.1% | 12.9% |
| 45 to 54 | 13.7% | 12.2% |
| 55 to 64 | 14.6% | 13.9% |
| 65 to 74 | 9.9% | 11.4% |
| 75 and over | 6.0% | 7.5% |
Race & ethnicity (share)
| McHenry County | Sangamon County | |
|---|---|---|
| White (non-Hispanic) | 76.9% | 78.1% |
| Black or African American | 1.4% | 12.5% |
| American Indian & Alaska Native | 0.0% | 0.1% |
| Asian | 2.8% | 2.1% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.3% | 0.5% |
| Two or more races | 2.9% | 4.0% |
| Hispanic or Latino | 15.6% | 2.8% |
Educational attainment (age 25+)
Share of adults 25+
| McHenry County | Sangamon County | |
|---|---|---|
| No high school diploma | 6.3% | 6.3% |
| High school graduate | 26.9% | 28.2% |
| Some college or associate's | 31.7% | 30.4% |
| Bachelor's degree | 23.3% | 20.9% |
| Graduate or professional degree | 11.9% | 14.2% |
Commute to work
How workers get to work (share)
| McHenry County | Sangamon County | |
|---|---|---|
| Drove alone | 74.9% | 78.3% |
| Carpooled | 7.1% | 5.9% |
| Public transit | 1.4% | 1.1% |
| Walked | 1.0% | 1.3% |
| Bicycle | 0.1% | 0.4% |
| Worked from home | 14.7% | 12.0% |
| Other means | 0.8% | 0.9% |
Housing
Units in structure (share)
| McHenry County | Sangamon County | |
|---|---|---|
| 1-unit, detached | 77.4% | 72.7% |
| 1-unit, attached | 10.6% | 5.3% |
| 2 to 4 units | 3.7% | 5.9% |
| 5 to 19 units | 5.5% | 7.5% |
| 20 or more units | 2.2% | 4.5% |
| Mobile home & other | 0.7% | 4.1% |
Poverty & households
| McHenry County | Sangamon County | |
|---|---|---|
| Poverty rate | 6.1% | 12.9% |
| Average household size | 2.66 | 2.27 |
| Mean commute (minutes) | 31 | 20 |
| Median year structure built | 1989 | 1973 |
Full profiles
2Related rankings
21- Largest by population — counties in Illinois
- Most densely populated — counties in Illinois
- Highest median household income — counties in Illinois
- Highest median home value — counties in Illinois
- Most affordable home values — counties in Illinois
- Highest median gross rent — counties in Illinois
- Cheapest median gross rent — counties in Illinois
- Oldest by median age — counties in Illinois
- Youngest by median age — counties in Illinois
- Most college-educated — counties in Illinois
- Highest poverty rate — counties in Illinois
- Lowest poverty rate — counties in Illinois
- Highest homeownership rate — counties in Illinois
- Lowest homeownership rate — counties in Illinois
- Longest commutes — counties in Illinois
- Shortest commutes — counties in Illinois
- Largest households — counties in Illinois
- Newest housing — counties in Illinois
- Oldest housing — counties in Illinois
- Fastest-growing (2019–2023) — counties in Illinois
- Fastest-shrinking (2019–2023) — counties in Illinois