Carroll County, MD ZIP Codes
Maryland (MD) · 12 ZIP codes · 11 cities
12
ZIP codes
173,873
population (2021)
+4.0%
pop change since 2010
24013
FIPS code
Carroll County ZIP code map
About Carroll County
Carroll County is located in Maryland and contains 12 ZIP codes across 11 cities and communities.
The county's population was 173,873 as of 2021,
an increase of
4% from 167,134 in 2010.
The timezone is Central Time (observes DST).
The Federal Information Processing System (FIPS) code for Carroll County is 24013.
| Population | |
|---|---|
| 2021 population | 173,873 |
| 2010 population | 167,134 |
| Change | +4.0% |
| County details | |
|---|---|
| State | Maryland |
| FIPS code | 24013 |
| Timezone | Central |
| Daylight saving | Yes |
Cities in Carroll County
Finksburg
Hampstead
Keymar
Lineboro
Manchester
Marriottsville
New Windsor
Sykesville
Taneytown
Union Bridge
Westminster
ZIP codes for Carroll County, MD (12)
| ZIP code | City | County | Map |
|---|---|---|---|
| 21048 | Finksburg | Carroll | View map |
| 21074 | Hampstead | Carroll | View map |
| 21088 | Lineboro | Carroll | View map |
| 21102 | Manchester | Carroll | View map |
| 21104 | Marriottsville | Carroll | View map |
| 21157 | Westminster | Carroll | View map |
| 21158 | Westminster | Carroll | View map |
| 21757 | Keymar | Carroll | View map |
| 21776 | New Windsor | Carroll | View map |
| 21784 | Sykesville | Carroll | View map |
| 21787 | Taneytown | Carroll | View map |
| 21791 | Union Bridge | Carroll | View map |
Demographics & statistics
159,143
Population
41.6
Median age
$110,326
Median household income
$48,741
Per capita income
$377,933
Median home value
$1,263
Median monthly rent
84.1%
Home ownership
5.6%
Poverty rate
3.3%
Unemployment
50,658
Housing units
35.2%
Bachelor's or higher
Age distribution
Male
Female
4,252
Under 5
4,092
4,470
5–9
4,301
5,308
10–14
5,108
5,715
15–19
5,500
4,878
20–24
4,694
9,218
25–34
8,871
9,880
35–44
9,509
11,022
45–54
10,607
6,123
55–59
5,893
5,914
60–64
5,692
8,222
65–74
7,912
4,138
75–84
3,983
1,957
85+
1,884
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 34,301 | 21.4% |
| 18 and over | 124,842 | 78.6% |
| 65 and over | 28,096 | 18.1% |
| Median age | 41.6 years | |
Race & ethnicity
White
85.7%
Two or more races
4%
Black or African American
3.9%
Hispanic or Latino
2.9%
Asian
2.1%
Other race
1.2%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 140,481 | 85.7% |
| Two or more races | 6,498 | 4% |
| Black or African American | 6,437 | 3.9% |
| Hispanic or Latino | 4,788 | 2.9% |
| Asian | 3,415 | 2.1% |
| Other race | 1,912 | 1.2% |
| American Indian / Alaska Native | 370 | 0.2% |
Household income
Under $10k
2.5%
$10k–$15k
1.6%
$15k–$25k
4.4%
$25k–$35k
4.3%
$35k–$50k
8.1%
$50k–$75k
13.3%
$75k–$100k
12.6%
$100k–$150k
21.7%
$150k–$200k
16.1%
$200k+
15.4%
| Range | % of households |
|---|---|
| Under $10k | 2.5% |
| $10k–$15k | 1.6% |
| $15k–$25k | 4.4% |
| $25k–$35k | 4.3% |
| $35k–$50k | 8.1% |
| $50k–$75k | 13.3% |
| $75k–$100k | 12.6% |
| $100k–$150k | 21.7% |
| $150k–$200k | 16.1% |
| $200k+ | 15.4% |
| Median income | $110,326 |
Housing
Home values
Under $50k
1.5%
$50k–$100k
0.5%
$100k–$150k
2.3%
$150k–$200k
4.1%
$200k–$300k
19.3%
$300k–$500k
48.8%
$500k–$1M
21.9%
$1M+
1.6%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $377,933 |
| Median rent / month | $1,263 |
| Owner occupied | 84.1% |
| Renter occupied | 15.9% |
| Vacant | 3.7% |
| Single-family detached | 81.0% |
| Large apartment buildings | 2.0% |
| Mobile homes | 1.0% |
| Median rooms | 7.0 |
| Avg household size (owned) | 2.75 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.4% |
| 2010–2019 | 4.5% |
| 2000–2009 | 11.5% |
| 1990–1999 | 16.6% |
| 1980–1989 | 17.9% |
| 1970–1979 | 16.8% |
| 1960–1969 | 9.0% |
| 1950–1959 | 5.0% |
| 1940–1949 | 2.2% |
| 1939 or earlier | 16.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.8% |
| 1 bedroom | 4.6% |
| 2 bedrooms | 14.8% |
| 3 bedrooms | 44.0% |
| 4 bedrooms | 28.1% |
| 5+ bedrooms | 7.7% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.2% |
| 1 vehicle | 20.8% |
| 2 vehicles | 38.8% |
| 3 or more | 37.3% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 14.8% |
| Electricity | 49.5% |
| Propane / LP gas | 5.0% |
| Fuel oil | 22.8% |
| Wood | 5.8% |
| Solar | 0.4% |
| No fuel used | 0.6% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 36,061 | 61.6% |
| Cohabiting couple | 3,418 | 6.1% |
| Male householder, no spouse | 7,455 | 14.2% |
| Female householder, no spouse | 11,803 | 18.1% |
| Households with children under 18 | 19,190 | 32.2% |
| Households with seniors (65+) | 19,306 | 33.3% |
| Average household size | 2.65 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 29.4% | 22.9% |
| Married | 59.0% | 57.5% |
| Separated | 0.8% | 1.1% |
| Widowed | 3.9% | 8.5% |
| Divorced | 6.9% | 10.0% |
Education
Less than 9th grade
1.5%
Some HS, no diploma
3.7%
HS graduate
31.8%
Some college, no degree
19.1%
Associate's degree
8.7%
Bachelor's degree
22.0%
Graduate / professional
13.2%
| Metric | % |
|---|---|
| HS diploma or higher | 94.8% |
| Bachelor's or higher | 35.2% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 2,585 | 6.9% |
| Kindergarten | 1,764 | 5.1% |
| Elementary school | 15,059 | 39.1% |
| High school | 8,964 | 26.1% |
| College / grad school | 9,978 | 22.8% |
Employment
Industry of employment
Education & healthcare
22.9%
Professional & management
13.1%
Construction
11.3%
Retail trade
9.4%
Public administration
8.0%
Manufacturing
6.8%
Finance & real estate
6.8%
Arts, food & hospitality
6.4%
Other services
5.4%
Transportation & utilities
4.0%
Wholesale trade
2.3%
Information
1.7%
Agriculture & mining
1.6%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 46.5% |
| Service | 14.8% |
| Sales & office | 18.4% |
| Natural resources & construction | 11.5% |
| Production & transportation | 8.8% |
Employment type
| Type | % |
|---|---|
| Private sector | 74.7% |
| Government | 18.6% |
| Self-employed | 6.3% |
| Unpaid family workers | 0.3% |
Commute
| Method | % |
|---|---|
| Drive alone | 79.7% |
| Carpool | 5.9% |
| Public transit | 0.4% |
| Walk | 0.7% |
| Other means | 0.6% |
| Avg commute (minutes) | 36.6 |
Poverty
All people
5.6%
Under 18 years
6.2%
18 and over
5.4%
Married-couple families
1.7%
Female-led households
20.9%
Income support
| Source | % of households |
|---|---|
| Social Security | 33.2% |
| Retirement income | 28.5% |
| Supplemental Security | 2.9% |
| Cash public assistance | 1.1% |
| Food stamps / SNAP | 5.9% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 32.6% |
| High cholesterol | 34.8% |
| Heart disease | 5.5% |
| Stroke | 2.6% |
| Asthma | 9.3% |
| Arthritis | 24.9% |
| Kidney disease | 2.5% |
| Pulmonary disease | 5.8% |
| Cancer | 7.0% |
| Behavior / access | % |
|---|---|
| Binge drinking | 16.3% |
| No physical activity | 19.1% |
| Less than 7 hrs sleep | 28.2% |
| Fair or poor health | 10.9% |
| Poor mental health | 13.5% |
| Poor physical health | 8.3% |
| No health insurance | 8.7% |
| Visited doctor (checkup) | 76.9% |
| Visited dentist | 68.6% |
| Cholesterol screening | 92.4% |
| Teeth loss | 9.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 9,333 | 8.0% |
| Disability | % |
|---|---|
| Any disability | 11.9% |
| Under 18 | 5.4% |
| 18–64 years | 9.5% |
| 65 and over | 28.1% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 83.3% |
| Public insurance | 29.4% |
| Uninsured under 19 | 2.1% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 150,799 | 94.4% |
| Spanish | 2,462 | 1.5% |
| Other Indo-European | 1,024 | 0.5% |
| Asian & Pacific Islander | 557 | 0.5% |
| Other languages | 736 | 0.4% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 151,998 | 96.0% |
| Born in same state | 150,092 | 95.0% |
| Born in different state | 107,861 | 69.2% |
| Foreign born | 1,906 | 1.0% |
| Naturalized citizen | 7,145 | 4.0% |
| Not a US citizen | 4,111 | 63.2% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 26,895 | 16.9% |
| French | 20,429 | 12.8% |
| Arab | 19,693 | 12.4% |
| English | 1,522 | 1% |
| Polish | 718 | 0.5% |
| Ancestry | Count | % |
|---|---|---|
| Irish | 686 | 0.4% |
| Norwegian | 660 | 0.4% |
| German | 599 | 0.4% |
| Dutch | 349 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 37.4% |
| Internet access | 93.7% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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