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COUNTY · 1990 CENSUS

Carroll County

Maryland · 123,372 residents · 448 sq mi
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The short version

With 123,372 people, Carroll County is a county in Maryland. 78% of homes are owner-occupied. Poverty is uncommon here, at 3.8% of residents. Median household income runs $42,378, well clear of the $30,130 US median. Median home value sits at $126,600. Getting to work takes 29 minutes on average.

At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 33.4
US median: 33.0
Average education
20% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01

Population & growth

Total population
123,372
−18%vs 2000
vs 150,897 in 2000
1990 – 2025
Median age
33.4
−10%vs 2000
vs 36.9 in 2000
US average: 33.0
Land area
448 sq mi
Population, 1990 – 2024
118K134K149K165K181K19902000201020202024Carroll County
2024175K
1990201020202024
Age distribution, 1990
Under 57.8%(9,612)
US avg: 7.3%
5 to 97.5%(9,303)
US avg: 7.3%
10 to 147.2%(8,829)
US avg: 6.9%
15 to 196.9%(8,560)
US avg: 7.1%
20 to 246.4%(7,915)
US avg: 7.5%
25 to 3417.3%(21,283)
US avg: 17.5%
35 to 4417.7%(21,884)
US avg: 15.1%
45 to 5411.4%(14,041)
US avg: 10.2%
55 to 647.6%(9,361)
US avg: 8.5%
65 to 745.9%(7,307)
US avg: 7.3%
75 to 843.2%(3,895)
US avg: 4%
85 and over1.1%(1,382)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$42,378
−7%inflation adjusted, since 2000
vs $60,021 in 2000
US average: $30,130
1990 – 2024
Per capita income
$16,320
−32%vs 2000
vs $23,829 in 2000
US average: $14,340
Poverty rate
3.8%
Unchangedvs 2000
vs 3.8% in 2000
US average: 13.2%
Section 03

Housing

Median home value
$126,600
+2%inflation adjusted, since 2000
vs $163,300 in 2000
US average: $93,722
1990 – 2024
Median gross rent
$484
Unchangedinflation adjusted, since 2000
vs $638 in 2000
US average: $450
Owner-occupied
78.5%
−3.5 ptsvs 2000
vs 82.0% in 2000
21.5% rent
Section 04

Race & ethnicity

2000
White, non-Hispanic95.1%(143,455)
Black2.3%(3,400)
Hispanic / Latino1%(1,489)
Asian0.7%(1,124)
Other0%
1990
White, non-Hispanic97.1%(119,765)
Black2.3%(2,886)
Hispanic / Latino0.5%(595)
Asian0.4%(433)
Other0.2%(288)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

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)
Section 05

Education

Bachelor's degree or higher
19.6%
−5.2 ptsvs 2000
vs 24.8% in 2000
US average: 20.3%
High school or higher
78.5%
−6.8 ptsvs 2000
vs 85.3% in 2000
US average: 75.2%
Graduate degree
6.9%
−1.9 ptsvs 2000
vs 8.8% in 2000
US average: 7.1%
Section 06

Commute & transportation

Average commute
28.7 min
+7%vs 2000
vs 26.9 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)
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
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured
2.9%
−3.3 ptssince 2013
from 6.2% in 2013
US average: 8.4%
Employer-based
72.0%
−0.6 ptssince 2020
from 72.6% in 2020
US average: 54.8%
Direct-purchase
14.5%
+0.3 ptssince 2020
from 14.2% in 2020
US average: 13.8%
Medicare
17.9%
+0.3 ptssince 2020
from 17.6% in 2020
US average: 18.4%
Medicaid
10.8%
−0.1 ptssince 2020
from 10.9% in 2020
US average: 20.9%
VA health care
1.5%
−0.1 ptssince 2020
from 1.6% in 2020
US average: 2.2%
Any private
84.5%
Unchangedsince 2020
from 84.5% in 2020
US average: 67.1%
Any public
27.6%
+0.5 ptssince 2020
from 27.1% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)27%(2,765)
US avg: 26.4%
Gulf War (1990s)25.1%(2,574)
US avg: 24.3%
Vietnam era29.1%(2,978)
US avg: 33.1%
Korean War5.3%(539)
US avg: 4.5%
World War II1.2%(126)
US avg: 1%

Share of the 10,248 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

Places similar to Carroll County

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Pop 176,593
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Pop 177,311
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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+188%
Home value$464,600+267%
Population302,883+71%
SEE FULL COMPARISON →
CARROLL COUNTY VS
Howard County
Income$149,763+253%
Home value$597,900+372%
Population339,183+92%
SEE FULL COMPARISON →
CARROLL COUNTY VS
Baltimore County
Income$91,768+117%
Home value$349,300+176%
Population847,650+380%
SEE FULL COMPARISON →
CARROLL COUNTY VS
Adams County
Income$84,092+98%
Home value$268,500+112%
Population107,594−39%
SEE FULL COMPARISON →
Frequently asked

How many people live in Carroll County, Maryland?

Carroll County, Maryland has about 123,372 residents according to the 1990 Census.

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

The typical household in Carroll County, Maryland earns about $42,378 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 $126,600, and the typical rent is about $484 a month.

How educated are people in Carroll County, Maryland?

About 19.6% 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 3.8% of people in Carroll County, Maryland live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →