ZIP Code 21237
ZIP Code Tabulation Area in Baltimore County, Maryland.
- Population
- 30,851
- Median household income
- $90,269
- Median home value
- $280,400
+2.4%’19–’23
+30.4%’19–’23
+30.3%’19–’23
Covering part of Baltimore County, Maryland, ZIP Code 21237 has about 30,851 residents. Its median household income of $90,269 runs in line with the Baltimore County figure of $90,904.
From 2019 to 2023, ZIP Code 21237's population grew 2.4% from 30,129 to 30,851, while its median gross rent rose 20.0% from $1,200 to $1,440.
The largest age group is 55 to 64, 14.8% of residents. White (non-Hispanic) residents are the largest group, 42.4% of the population.
Demographics
ACS 2019–2023- Population
- 30,851
- Median age
- 42.3 yrs
- Median household income
- $90,269
- Median home value
- $280,400
- Median gross rent
- $1,440
- Housing units
- 13,171
- Homeownership rate
- 62.0%
- Bachelor's degree or higher
- 26.7%
- Unemployment rate
- 5.9%
Trends
ACS 5-year · 2019–202330,12930,851
$69,226$90,269
$215,200$280,400
$1,200$1,440
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 30,129 | $69,226 | $215,200 | $1,200 |
| 2020 | 31,105 | $78,283 | $230,700 | $1,229 |
| 2021 | 30,895 | $80,401 | $236,900 | $1,281 |
| 2022 | 30,983 | $84,118 | $268,400 | $1,396 |
| 2023 | 30,851 | $90,269 | $280,400 | $1,440 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 54.8%
5 to 1712.1%
18 to 247.4%
25 to 3414.5%
35 to 4414.6%
45 to 5414.5%
55 to 6414.8%
65 to 7411.4%
75 and over5.9%
| Count | Share | |
|---|---|---|
| Under 5 | 1,475 | 4.8% |
| 5 to 17 | 3,745 | 12.1% |
| 18 to 24 | 2,270 | 7.4% |
| 25 to 34 | 4,480 | 14.5% |
| 35 to 44 | 4,498 | 14.6% |
| 45 to 54 | 4,487 | 14.5% |
| 55 to 64 | 4,569 | 14.8% |
| 65 to 74 | 3,503 | 11.4% |
| 75 and over | 1,824 | 5.9% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 13,069 | 42.4% |
| Black or African American | 11,751 | 38.1% |
| American Indian & Alaska Native | 156 | 0.5% |
| Asian | 2,094 | 6.8% |
| Native Hawaiian & Pacific Islander | 28 | 0.1% |
| Some other race | 174 | 0.6% |
| Two or more races | 849 | 2.8% |
| Hispanic or Latino (any race) | 2,730 | 8.8% |
Educational attainment (age 25+)
No high school diploma7.7%
High school graduate31.1%
Some college or associate's34.5%
Bachelor's degree16.7%
Graduate or professional degree10.0%
| Count | Share | |
|---|---|---|
| No high school diploma | 1,807 | 7.7% |
| High school graduate | 7,255 | 31.1% |
| Some college or associate's | 8,060 | 34.5% |
| Bachelor's degree | 3,910 | 16.7% |
| Graduate or professional degree | 2,329 | 10.0% |
Commute to work
- Mean travel time to work
- 29 min
Drove alone69.3%
Carpooled10.4%
Public transit3.4%
Walked3.6%
Bicycle0.0%
Worked from home9.7%
Other means3.7%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 11,720 | 69.3% |
| Carpooled | 1,754 | 10.4% |
| Public transit | 572 | 3.4% |
| Walked | 609 | 3.6% |
| Bicycle | 0 | 0.0% |
| Worked from home | 1,636 | 9.7% |
| Other means | 629 | 3.7% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 2,805 | 18.4% |
| 15 to 29 min | 5,453 | 35.7% |
| 30 to 44 min | 4,219 | 27.6% |
| 45 to 59 min | 1,762 | 11.5% |
| 60+ min | 1,045 | 6.8% |
Households
- Average household size
- 2.47
- Poverty rate
- 9.3% (2,834 of 30,560)
| Count | Share | |
|---|---|---|
| Family households | 8,166 | 66.4% |
| Nonfamily households | 4,125 | 33.6% |
Housing
- Median year structure built
- 1980
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 12,291 | 93.3% |
| Vacant | 880 | 6.7% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 7,623 | 62.0% |
| Renter-occupied | 4,668 | 38.0% |
1-unit, detached49.5%
1-unit, attached15.1%
2 to 4 units1.9%
5 to 19 units26.2%
20 or more units6.7%
Mobile home & other0.7%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 6,519 | 49.5% |
| 1-unit, attached | 1,986 | 15.1% |
| 2 to 4 units | 248 | 1.9% |
| 5 to 19 units | 3,448 | 26.2% |
| 20 or more units | 881 | 6.7% |
| Mobile home & other | 89 | 0.7% |
Geography
- ZCTA
- 21237
- Land area
- 11 sq mi
- Water area
- 0.24 sq mi
- Center point
- 39.3415, -76.4953
Counties this ZIP covers
2Compare 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)