US Census Data

Carroll County vs Harford County

A side-by-side comparison of Carroll County and Harford County: population, income, housing, and more.

Carroll County and Harford County are counties in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Harford County has the higher population (262,509 vs 174,318 in Carroll County). Carroll County has the higher median household income ($115,876 vs $111,317 in Harford County). Carroll County has the higher median home value ($406,400 vs $367,300 in Harford County).

Population, income & housing

Carroll CountyHarford County
Population174,318262,509
Median age41.3 yrs40.5 yrs
Median household income$115,876$111,317
Median home value$406,400$367,300
Median gross rent$1,370$1,557
Housing units66,167104,409
Homeownership rate83.9%79.7%
Bachelor's degree or higher39.7%39.5%
Unemployment rate3.2%3.8%

Trends (ACS 5-year, 2019–2023)

Carroll CountyHarford County
Population167,699 → 174,318 (+3.9%)252,222 → 262,509 (+4.1%)
Median household income$96,769 → $115,876 (+19.7%)$89,147 → $111,317 (+24.9%)
Median home value$339,600 → $406,400 (+19.7%)$293,400 → $367,300 (+25.2%)
Median gross rent$1,132 → $1,370 (+21.0%)$1,257 → $1,557 (+23.9%)

Carroll County

Population
167,699174,318
Median household income
$96,769$115,876
Median home value
$339,600$406,400
Median gross rent
$1,132$1,370

Harford County

Population
252,222262,509
Median household income
$89,147$111,317
Median home value
$293,400$367,300
Median gross rent
$1,257$1,557

Age & race/ethnicity

Age distribution (share)

Carroll CountyHarford County
Under 55.5%5.5%
5 to 1716.5%16.9%
18 to 248.3%7.7%
25 to 3411.1%12.3%
35 to 4412.7%13.3%
45 to 5413.2%13.0%
55 to 6415.1%14.4%
65 to 7410.2%10.3%
75 and over7.4%6.7%

Race & ethnicity (share)

Carroll CountyHarford County
White (non-Hispanic)85.6%72.5%
Black or African American3.9%14.3%
American Indian & Alaska Native0.1%0.0%
Asian2.3%2.9%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.6%0.7%
Two or more races2.8%4.0%
Hispanic or Latino4.8%5.6%

Educational attainment (age 25+)

Share of adults 25+

Carroll CountyHarford County
No high school diploma5.1%5.4%
High school graduate27.6%26.3%
Some college or associate's27.5%28.8%
Bachelor's degree24.0%22.6%
Graduate or professional degree15.7%16.9%

Commute to work

How workers get to work (share)

Carroll CountyHarford County
Drove alone76.1%76.1%
Carpooled6.4%7.3%
Public transit0.4%0.9%
Walked0.9%1.1%
Bicycle0.1%0.1%
Worked from home15.6%13.4%
Other means0.6%1.0%

Housing

Units in structure (share)

Carroll CountyHarford County
1-unit, detached77.3%60.2%
1-unit, attached11.2%21.2%
2 to 4 units3.6%2.4%
5 to 19 units4.6%10.5%
20 or more units2.6%3.0%
Mobile home & other0.8%2.7%

Poverty & households

Carroll CountyHarford County
Poverty rate5.3%7.0%
Average household size2.682.60
Mean commute (minutes)3532
Median year structure built19831986

Full profiles

2

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Carroll County vs Harford County: Compare Population & Demographics | US Census Data