County

Carroll County, MD

13 ZIP codes  ·  12 cities  ·  Maryland

👥177,212Population
💰$120,144Median HH Income▲ 57% above avg
🎂42.0Median Age
🏠$428,491Median Home Value▲ 54% above avg
🎓49.1%College Grads▲ 27% above avg
📊3.3%Unemployment▼ 32% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 50.0% Female 50.0% ♀

Race & Ethnicity

White: 84.9%Hispanic: 4.3%Black: 4.3%Asian: 2.8%Other: 3.1%Race
White84.9%
Hispanic4.3%
Black4.3%
Asian2.8%
Other3.1%

Age Breakdown

Under 5
5%
5–17
17%
18–24
8%
25–44
23%
45–64
28%
65+
8%

Key Indicators

Median Age42.0 yrs
Avg HH Size2.69
Below Poverty5.1% ▼ 49% below avg
College Grads49.1% ▲ 27% above avg
Unemployment3.3% ▼ 32% below avg
No HS Diploma740 (0.6%)
HS Graduate32,227 (27.5%)
Some College12,543 (10.7%)
Associates14,340 (12.2%)
Bachelors10,310 (8.8%)
Graduate Degree47,162 (40.2%)

Education

No HS: 0.6%HS Grad: 27.5%Some College: 10.7%Associates: 12.2%Bachelors: 8.8%Graduate: 40.2%Edu
No HS0.6%
HS Grad27.5%
Some College10.7%
Associates12.2%
Bachelors8.8%
Graduate40.2%
Housing & Income

Housing Tenure

Owner: 84%Renter: 16%Tenure
Owner84.0%
Renter16.0%

Home Value Distribution

Under $50k
1%
$50k–$100k
1%
$100k–$150k
1%
$150k–$200k
3%
$200k–$300k
15%
$300k–$500k
45%
Over $500k
33%

Financials

Median HH Income$120,144 ▲ 57% above avg
Median Home Value$428,491 ▲ 54% above avg
Home/Income Ratio3.6x (nat avg ~3.5x)
Median Rent$1,401/mo
Total Housing Units67,261
Vacant Units2,534

Income Distribution

Under $25k
8%
$25k–$50k
10%
$50k–$75k
12%
$75k–$100k
12%
$100k–$150k
21%
$150k–$200k
16%
Over $200k
22%
Employment & Commute

How People Get to Work

Drove Alone
81%
Public Transit
0%
Walked
1%
Work From Home
17%

Commute Time

Under 15 min
19%
15–30 min
24%
30–45 min
23%
Over 45 min
34%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
6%
1960s–1970s
19%
1980s–1990s
18%
2000+
56%
About Carroll County, MD

Carroll County is located in Maryland and encompasses 13 ZIP codes spanning 12 cities and communities. The county has an estimated population of 177,212 residents. With a median age of 41.96, it is a middle-aged county.

Carroll County has a upper-middle-income economic profile. The median household income of $120,143 is significantly above the national average. Unemployment stands at 3.3%, below the national average. The poverty rate of 5.1% is well below the national average.

Housing in Carroll County is a premium housing market, with a median home value of $428,491 — significantly above the national average. Monthly median rent is approximately $1,401. Homeownership rates are high at 84.0%, reflecting a largely residential, stable population.

The residents of Carroll County are primarily White (84.86%). Educational attainment is well-educated — 49.1% of adults hold a bachelor's degree or higher, above the national average.

Carroll County, MD is a upper-middle-income area in Maryland. The 13 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in Carroll County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
21048 Finksburg 10,002 $122,801 $423,900 $1,500 4.0% 52.7%
21074 Hampstead 15,070 $101,462 $349,900 $1,212 3.4% 47.1%
21757 Keymar 2,810 $98,520 $414,300 $1,345 2.9% 32.4%
21102 Manchester 12,176 $119,535 $374,600 $1,498 1.9% 41.7%
21104 Marriottsville 5,786 $199,803 $659,700 2.5% 66.2%
21776 New Windsor 5,905 $111,923 $433,600 $998 6.6% 44.9%
21784 Sykesville 37,813 $141,228 $478,200 $1,673 3.5% 61.6%
21787 Taneytown 11,549 $88,212 $344,800 $870 4.7% 32.8%
21791 Union Bridge 4,734 $90,460 $370,300 $1,320 2.4% 31.9%
21157 Westminster 40,191 $102,835 $394,100 $1,236 3.1% 46.0%
21158 Westminster 22,404 $108,795 $375,100 $1,735 2.3% 45.3%
21797 Woodbine 8,772 $185,435 $713,400 $1,241 4.3% 55.6%