Carroll County vs Washington County
A side-by-side comparison of Carroll County and Washington County: population, income, housing, and more.
Carroll County and Washington County are counties in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
Carroll County has the higher population (174,318 vs 155,033 in Washington County). Carroll County has the higher median household income ($115,876 vs $74,157 in Washington County). Carroll County has the higher median home value ($406,400 vs $275,900 in Washington County).
Population, income & housing
| Carroll County | Washington County | |
|---|---|---|
| Population | 174,318 | 155,033 |
| Median age | 41.3 yrs | 41.0 yrs |
| Median household income | $115,876 | $74,157 |
| Median home value | $406,400 | $275,900 |
| Median gross rent | $1,370 | $1,100 |
| Housing units | 66,167 | 63,965 |
| Homeownership rate | 83.9% | 65.9% |
| Bachelor's degree or higher | 39.7% | 23.5% |
| Unemployment rate | 3.2% | 4.9% |
Trends (ACS 5-year, 2019–2023)
| Carroll County | Washington County | |
|---|---|---|
| Population | 167,699 → 174,318 (+3.9%) | 150,109 → 155,033 (+3.3%) |
| Median household income | $96,769 → $115,876 (+19.7%) | $60,860 → $74,157 (+21.8%) |
| Median home value | $339,600 → $406,400 (+19.7%) | $210,300 → $275,900 (+31.2%) |
| Median gross rent | $1,132 → $1,370 (+21.0%) | $921 → $1,100 (+19.4%) |
Carroll County
167,699174,318
$96,769$115,876
$339,600$406,400
$1,132$1,370
Washington County
150,109155,033
$60,860$74,157
$210,300$275,900
$921$1,100
Age & race/ethnicity
Age distribution (share)
| Carroll County | Washington County | |
|---|---|---|
| Under 5 | 5.5% | 5.5% |
| 5 to 17 | 16.5% | 16.3% |
| 18 to 24 | 8.3% | 8.1% |
| 25 to 34 | 11.1% | 12.8% |
| 35 to 44 | 12.7% | 12.8% |
| 45 to 54 | 13.2% | 13.1% |
| 55 to 64 | 15.1% | 13.6% |
| 65 to 74 | 10.2% | 10.3% |
| 75 and over | 7.4% | 7.5% |
Race & ethnicity (share)
| Carroll County | Washington County | |
|---|---|---|
| White (non-Hispanic) | 85.6% | 74.5% |
| Black or African American | 3.9% | 11.3% |
| American Indian & Alaska Native | 0.1% | 0.1% |
| Asian | 2.3% | 1.6% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.1% |
| Some other race | 0.6% | 0.3% |
| Two or more races | 2.8% | 4.8% |
| Hispanic or Latino | 4.8% | 7.3% |
Educational attainment (age 25+)
Share of adults 25+
| Carroll County | Washington County | |
|---|---|---|
| No high school diploma | 5.1% | 11.3% |
| High school graduate | 27.6% | 36.4% |
| Some college or associate's | 27.5% | 28.8% |
| Bachelor's degree | 24.0% | 13.7% |
| Graduate or professional degree | 15.7% | 9.8% |
Commute to work
How workers get to work (share)
| Carroll County | Washington County | |
|---|---|---|
| Drove alone | 76.1% | 75.3% |
| Carpooled | 6.4% | 9.6% |
| Public transit | 0.4% | 1.0% |
| Walked | 0.9% | 1.2% |
| Bicycle | 0.1% | 0.3% |
| Worked from home | 15.6% | 11.0% |
| Other means | 0.6% | 1.5% |
Housing
Units in structure (share)
| Carroll County | Washington County | |
|---|---|---|
| 1-unit, detached | 77.3% | 62.2% |
| 1-unit, attached | 11.2% | 15.2% |
| 2 to 4 units | 3.6% | 6.9% |
| 5 to 19 units | 4.6% | 9.7% |
| 20 or more units | 2.6% | 3.8% |
| Mobile home & other | 0.8% | 2.2% |
Poverty & households
| Carroll County | Washington County | |
|---|---|---|
| Poverty rate | 5.3% | 12.5% |
| Average household size | 2.68 | 2.48 |
| Mean commute (minutes) | 35 | 29 |
| Median year structure built | 1983 | 1974 |
Full profiles
2Related rankings
21- Largest by population — counties in Maryland
- Most densely populated — counties in Maryland
- Highest median household income — counties in Maryland
- Highest median home value — counties in Maryland
- Most affordable home values — counties in Maryland
- Highest median gross rent — counties in Maryland
- Cheapest median gross rent — counties in Maryland
- Oldest by median age — counties in Maryland
- Youngest by median age — counties in Maryland
- Most college-educated — counties in Maryland
- Highest poverty rate — counties in Maryland
- Lowest poverty rate — counties in Maryland
- Highest homeownership rate — counties in Maryland
- Lowest homeownership rate — counties in Maryland
- Longest commutes — counties in Maryland
- Shortest commutes — counties in Maryland
- Largest households — counties in Maryland
- Newest housing — counties in Maryland
- Oldest housing — counties in Maryland
- Fastest-growing (2019–2023) — counties in Maryland
- Fastest-shrinking (2019–2023) — counties in Maryland