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COUNTY

Carroll County

Maryland · 176,677 residents (2025 est.) · 447.615 sq mi
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Notable rankings
#61Lowest poverty rateof 3,1445.2%#61Highest median household incomeof 3,143$118,211#156Highest homeownership rateof 3,14484.3%
The short version

Carroll County is significantly wealthier than the US average, with a median household income of $118,211. Population has grown 16% since 2000. Median home value has more than doubled since 2000, reaching $434,000. Poverty is rare here, at 5.2% of residents. It ranks in the top 1% of US counties for household income.

At a glance
Wealthier
above the US median
US median: $82,259
Older
median age 41.3
US median: 38.9
More educated
41% hold a bachelor's degree
US average: 36%
Less affordable
home values up 46%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
175,321
+16%since 2000
from 150,897 in 2000
1990 – 2025
Population density
392 / sq mi
+4%since 2009
from 377 / sq mi in 2009
US average: 281
Median age
41.3
+12%since 2000
from 36.9 in 2000
US average: 38.9

PEP 2025 EST:176,677 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
118K134K149K165K181K1990201020202024Carroll County
2024175K
1990201020202024
Age distribution, 2024
Under 55.4%(9,530)
US avg: 5.6%
5 to 96.1%(10,635)
US avg: 6%
10 to 146.5%(11,372)
US avg: 6.4%
15 to 196.4%(11,300)
US avg: 6.6%
20 to 245.8%(10,157)
US avg: 6.5%
25 to 3411.2%(19,562)
US avg: 13.7%
35 to 4413%(22,754)
US avg: 13.2%
45 to 5412.7%(22,339)
US avg: 12.2%
55 to 6415%(26,219)
US avg: 12.7%
65 to 7410.4%(18,214)
US avg: 10.2%
75 to 845.3%(9,364)
US avg: 5.1%
85 and over2.2%(3,875)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$118,211
+8%inflation adjusted, since 2000
from $60,021 in 2000
US average: $82,259
1990 – 2024
Per capita income
$53,124
+123%since 2000
from $23,829 in 2000
US average: $44,673
Households earning $100K+
70.0%
+15.6 ptssince 2009
from 54.4% in 2009
US average: 53.3%
Poverty rate
5.2%
+1.4 ptssince 2000
from 3.8% in 2000
US average: 12.5%
Income inequality (Gini)
0.403
+4%since 2010
from 0.386 in 2010
US average: 0.476
Workforce by industry, 2024
Wholesale trade9.9%
US avg: 6.9%
Information9.4%
US avg: 10.8%
Other services6.9%
US avg: 6.7%
Retail trade6.3%
US avg: 9.9%
Public administration5.3%
US avg: 4.8%
Finance & insurance3.7%
US avg: 5.9%
Professional, scientific, technical2.8%
US avg: 5.1%
Transportation & warehousing2%
US avg: 2.2%
Arts, entertainment, food1.6%
US avg: 1.9%
Agriculture, forestry, fishing1.2%
US avg: 1.6%
Construction1%
US avg: 1.2%
Education & health services1%
US avg: 0.9%
Manufacturing0.2%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$434,000
+46%inflation adjusted, since 2000
from $163,300 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,427
+23%inflation adjusted, since 2000
from $638 in 2000
US average: $1,442
Owner-occupied
84.3%
+2.4 ptssince 2000
from 82.0% in 2000
15.7% rent
Vacancy rate
3.7%
Unchangedsince 2009
from 3.7% in 2009
US average: 10.0%
Owner cost-burdened
19.4%
−8.7 ptssince 2009
from 28.1% in 2009
US average: 22.9%
Renter cost-burdened
45.7%
+0.4 ptssince 2009
from 45.4% in 2009
US average: 47.4%
Afford Score
3.7
−16%since 2009
from 4.4 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
39
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Carroll County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic95.1%(143,455)
Black2.3%(3,400)
Hispanic / Latino1%(1,489)
Asian0.7%(1,124)
Other0%
2024
White, non-Hispanic84.5%(148,104)
Black4%(7,035)
Hispanic / Latino5.1%(8,923)
Asian2.4%(4,195)
Other4%(7,064)
Diversity Score
35
+75%since 2009
from 20 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
20
−3%since 2020
from 20 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican1.3%(2,242)
Central American1.2%(2,190)
Puerto Rican0.7%(1,211)
Salvadoran0.6%(1,101)
Guatemalan0.3%(478)
Cuban0.3%(441)
Peruvian0.3%(441)
Panamanian0.2%(313)
Dominican0.2%(299)
Argentine0.2%(298)
Spaniard0.2%(284)
+ 8 more hispanic origin groups with data
Ecuadorian0.2%(275)
Honduran0.2%(271)
Colombian0.1%(234)
Bolivian0.1%(229)
Chilean0.1%(164)
Asian origin
Asian Indian0.5%(866)
Filipino0.5%(834)
Korean0.3%(607)
Chinese0.3%(598)
Pakistani0.3%(508)
Vietnamese0.1%(161)
Bangladeshi0.1%(160)
Burmese0.1%(119)
Thai0%(65)
Japanese0%(51)
Taiwanese0%(11)
+ 4 more asian origin groups with data
Pacific Islander origin
Tongan0%(25)
Samoan0%(3)
Ancestry
German23.1%(40,468)
Irish17.6%(30,819)
English13.8%(24,220)
American11.5%(20,114)
Italian7.2%(12,705)
Polish3.9%(6,799)
Scottish2.1%(3,758)
French1.4%(2,518)
Dutch0.8%(1,396)
Scotch-Irish0.8%(1,358)
Russian0.7%(1,225)
+ 46 more ancestry groups with data
Welsh0.7%(1,188)
Swedish0.5%(949)
Norwegian0.5%(908)
Ukrainian0.5%(853)
Greek0.5%(819)
West Indian0.4%(677)
Lithuanian0.4%(650)
Hungarian0.4%(637)
British0.3%(581)
Czech0.3%(552)
Arab0.2%(434)
Jamaican0.2%(427)
Danish0.2%(378)
Slovak0.2%(376)
Portuguese0.2%(374)
Nigerian0.2%(325)
Romanian0.2%(304)
Swiss0.2%(289)
Austrian0.1%(251)
Lebanese0.1%(236)
Haitian0.1%(209)
Finnish0.1%(170)
Brazilian0.1%(157)
Israeli0.1%(150)
Croatian0.1%(105)
Cape Verdean0.1%(96)
Bulgarian0.1%(95)
Canadian0.1%(92)
Kenyan0.1%(90)
Ghanaian0.1%(89)
Slovene0%(84)
Turkish0%(78)
Syrian0%(56)
Iranian0%(56)
Armenian0%(51)
Belgian0%(46)
Moroccan0%(38)
Guyanese0%(33)
Latvian0%(25)
Serbian0%(2)
RANKED:Largest German population · Largest Irish population · Largest English population · Largest American population · Largest Italian population
Section 05

Education

Bachelor's degree or higher
40.7%
+15.9 ptssince 2000
from 24.8% in 2000
US average: 35.6%
High school or higher
95.3%
+10.0 ptssince 2000
from 85.3% in 2000
US average: 89.6%
Graduate degree
15.7%
+6.9 ptssince 2000
from 8.8% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
34.4 min
+28%since 2000
from 26.9 min in 2000
US average: 26.5
Drive alone to work
73.9%
−8.3 ptssince 2009
from 82.3% in 2009
US average: 68.9%
Carpooled to work
6.7%
−3.3 ptssince 2009
from 10.0% in 2009
US average: 8.5%
Public transit
0.3%
−0.5 ptssince 2009
from 0.8% in 2009
US average: 3.2%
Worked from home
17.3%
+12.4 ptssince 2009
from 4.9% in 2009
US average: 15.0%
Walked to work
1.0%
−0.5 ptssince 2009
from 1.6% in 2009
US average: 2.4%
Biked to work
0.1%
Unchangedsince 2009
from 0.1% in 2009
US average: 0.4%
No vehicle available
3.3%
−0.5 ptssince 2009
from 3.7% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
3.5%
−0.6 ptssince 2011
from 4.1% in 2011
US average: 5.2%
Labor force participation
67.6%
−1.6 ptssince 2011
from 69.2% in 2011
US average: 63.5%
Self-employed
15.1%
+1.7 ptssince 2009
from 13.4% in 2009
US average: 13.1%
Management & professional
50.2%
−16.8 ptssince 2009
from 67.0% in 2009
US average: 42.5%
Section 08

People & community

Male
49.7%
+0.2 ptssince 2009
from 49.6% in 2009
Female
50.3%
−0.2 ptssince 2009
from 50.4% in 2009
Foreign born
5.5%
+2.1 ptssince 2009
from 3.4% in 2009
US average: 14.1%
Veterans
7.5%
−41.2 ptssince 2009
from 48.8% in 2009
US average: 6.2%
With a disability
12.4%
+3.8 ptssince 2012
from 8.6% in 2012
US average: 13.3%
Uninsured
2.9%
−90.9 ptssince 2013
from 93.8% in 2013
US average: 8.4%
Broadband at home
92.5%
+9.2 ptssince 2017
from 83.3% in 2017
US average: 91.0%
English only at home
93.1%
−1.8 ptssince 2016
from 94.9% in 2016
US average: 77.7%
Spanish at home
2.9%
+0.8 ptssince 2016
from 2.1% in 2016
US average: 13.6%
Marital status
Men 15+
Never married29.1%(20,670)
Married61.1%(43,330)
Widowed3%(2,132)
Divorced6.8%(4,811)
Women 15+
Never married24%(17,457)
Married57.4%(41,788)
Widowed8.4%(6,137)
Divorced10.2%(7,459)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

Places similar to Carroll County

Charles County
Pop 176,593
Lower Connecticut River Valley Planning Region
Pop 177,311
El Dorado County
Pop 192,323
Kendall County
Pop 145,470
Places similar to Carroll County
Head to head

Compare Carroll County to nearby counties

CARROLL COUNTY VS
Frederick County
Income$122,002+3%
Home value$464,600+7%
Population302,883+71%
SEE FULL COMPARISON →
CARROLL COUNTY VS
Howard County
Income$149,763+27%
Home value$597,900+38%
Population339,183+92%
SEE FULL COMPARISON →
CARROLL COUNTY VS
Baltimore County
Income$91,768−22%
Home value$349,300−20%
Population847,650+380%
SEE FULL COMPARISON →
CARROLL COUNTY VS
Adams County
Income$84,092−29%
Home value$268,500−38%
Population107,594−39%
SEE FULL COMPARISON →
Frequently asked

How many people live in Carroll County, Maryland?

Carroll County, Maryland has about 175,321 residents according to the 2024 American Community Survey.

What is the median household income in Carroll County, Maryland?

The typical household in Carroll County, Maryland earns about $118,211 a year. Half of households make more than that, and half make less.

Is Carroll County, Maryland expensive?

In Carroll County, Maryland, the median home is worth about $434,000, and the typical rent is about $1,427 a month.

How educated are people in Carroll County, Maryland?

About 40.7% of adults age 25 and over in Carroll County, Maryland hold a bachelor's degree or higher.

What is the poverty rate in Carroll County, Maryland?

About 5.2% of people in Carroll County, Maryland live below the federal poverty line.

Has Carroll County, Maryland grown since 1990?

Yes, Carroll County, Maryland has grown since 1990. The population has added about 51,949 residents, a change of about 42 percent over that period.

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Explore from here

37 census tracts (top 20 by population)
Census Tract 5081.03Census Tract 5042.02Census Tract 5082Census Tract 5077.04Census Tract 5130.02Census Tract 5051.02Census Tract 5078.01Census Tract 5010.01Census Tract 5042.01Census Tract 5062Census Tract 5075Census Tract 5030Census Tract 5142.01Census Tract 5130.01Census Tract 5061.01Census Tract 5041Census Tract 5052.08Census Tract 5078.02Census Tract 5010.02Census Tract 5076.01
9 ZIP codes
ZIP 21784ZIP 21157ZIP 21158ZIP 21074ZIP 21102ZIP 21787ZIP 21048ZIP 21776ZIP 21757
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Rankings
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →

Carroll County, Maryland: demographics, income & housing data · CensusEasy