ZIP Code 21771
ZIP Code Tabulation Area in Carroll County, Maryland.
- Population
- 32,827
- Median household income
- $154,844
- Median home value
- $532,200
+9.8%’19–’23
+19.5%’19–’23
+29.5%’19–’23
Covering part of Carroll County, Maryland, ZIP Code 21771 has about 32,827 residents. The median household income of $154,844 is above the Carroll County median ($115,876).
Between 2019 and 2023, ZIP Code 21771's population grew 9.8% from 29,901 to 32,827, while its median gross rent rose 40.4% from $1,508 to $2,117.
Owners occupy 92.9% of the area's occupied homes. The median resident is 41.4 years old.
Demographics
ACS 2019–2023- Population
- 32,827
- Median age
- 41.4 yrs
- Median household income
- $154,844
- Median home value
- $532,200
- Median gross rent
- $2,117
- Housing units
- 11,401
- Homeownership rate
- 92.9%
- Bachelor's degree or higher
- 46.1%
- Unemployment rate
- 3.8%
Trends
ACS 5-year · 2019–202329,90132,827
$129,615$154,844
$411,000$532,200
$1,508$2,117
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 29,901 | $129,615 | $411,000 | $1,508 |
| 2020 | 31,366 | $131,204 | $420,300 | $1,469 |
| 2021 | 31,755 | $137,500 | $434,200 | $1,516 |
| 2022 | 31,653 | $148,909 | $501,800 | $1,713 |
| 2023 | 32,827 | $154,844 | $532,200 | $2,117 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 56.3%
5 to 1717.1%
18 to 247.9%
25 to 349.9%
35 to 4412.7%
45 to 5414.9%
55 to 6415.8%
65 to 749.3%
75 and over6.1%
| Count | Share | |
|---|---|---|
| Under 5 | 2,057 | 6.3% |
| 5 to 17 | 5,601 | 17.1% |
| 18 to 24 | 2,592 | 7.9% |
| 25 to 34 | 3,258 | 9.9% |
| 35 to 44 | 4,180 | 12.7% |
| 45 to 54 | 4,891 | 14.9% |
| 55 to 64 | 5,189 | 15.8% |
| 65 to 74 | 3,059 | 9.3% |
| 75 and over | 2,000 | 6.1% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 26,830 | 81.7% |
| Black or African American | 1,469 | 4.5% |
| American Indian & Alaska Native | 18 | 0.1% |
| Asian | 651 | 2.0% |
| Native Hawaiian & Pacific Islander | 15 | 0.0% |
| Some other race | 154 | 0.5% |
| Two or more races | 799 | 2.4% |
| Hispanic or Latino (any race) | 2,891 | 8.8% |
Educational attainment (age 25+)
No high school diploma4.8%
High school graduate22.7%
Some college or associate's26.4%
Bachelor's degree25.6%
Graduate or professional degree20.5%
| Count | Share | |
|---|---|---|
| No high school diploma | 1,073 | 4.8% |
| High school graduate | 5,136 | 22.7% |
| Some college or associate's | 5,953 | 26.4% |
| Bachelor's degree | 5,790 | 25.6% |
| Graduate or professional degree | 4,625 | 20.5% |
Commute to work
- Mean travel time to work
- 36 min
Drove alone72.8%
Carpooled6.6%
Public transit0.6%
Walked0.8%
Bicycle0.0%
Worked from home18.7%
Other means0.5%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 12,900 | 72.8% |
| Carpooled | 1,172 | 6.6% |
| Public transit | 101 | 0.6% |
| Walked | 140 | 0.8% |
| Bicycle | 0 | 0.0% |
| Worked from home | 3,320 | 18.7% |
| Other means | 82 | 0.5% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 2,614 | 18.2% |
| 15 to 29 min | 3,200 | 22.2% |
| 30 to 44 min | 3,025 | 21.0% |
| 45 to 59 min | 2,856 | 19.8% |
| 60+ min | 2,700 | 18.8% |
Households
- Average household size
- 3.00
- Poverty rate
- 3.5% (1,128 of 32,632)
| Count | Share | |
|---|---|---|
| Family households | 8,875 | 81.6% |
| Nonfamily households | 2,004 | 18.4% |
Housing
- Median year structure built
- 1987
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 10,879 | 95.4% |
| Vacant | 522 | 4.6% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 10,107 | 92.9% |
| Renter-occupied | 772 | 7.1% |
1-unit, detached87.2%
1-unit, attached9.6%
2 to 4 units0.7%
5 to 19 units0.0%
20 or more units0.3%
Mobile home & other2.2%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 9,938 | 87.2% |
| 1-unit, attached | 1,092 | 9.6% |
| 2 to 4 units | 81 | 0.7% |
| 5 to 19 units | 0 | 0.0% |
| 20 or more units | 38 | 0.3% |
| Mobile home & other | 252 | 2.2% |
Geography
- ZCTA
- 21771
- Land area
- 90 sq mi
- Water area
- 0.18 sq mi
- Center point
- 39.3949, -77.1582
Counties this ZIP covers
4Compare with nearby ZIP codes
6National ZIP rankings
21- Largest by population
- Most densely populated
- Highest median household income
- Highest median home value
- Most affordable home values
- Highest median gross rent
- Cheapest median gross rent
- Oldest by median age
- Youngest by median age
- Most college-educated
- Highest poverty rate
- Lowest poverty rate
- Highest homeownership rate
- Lowest homeownership rate
- Longest commutes
- Shortest commutes
- Largest households
- Newest housing
- Oldest housing
- Fastest-growing (2019–2023)
- Fastest-shrinking (2019–2023)