ZIP Code 21737
ZIP Code Tabulation Area in Howard County, Maryland.
- Population
- 2,384
- Median household income
- $250,001
- Median home value
- $1,032,800
-3.2%’19–’23
+30.4%’19–’23
+24.3%’19–’23
ZIP Code 21737 is a ZIP Code Tabulation Area in Howard County, Maryland, home to about 2,384 residents. At $250,001, its median household income sits above Howard County's $146,982.
Between 2019 and 2023, ZIP Code 21737's population declined 3.2% from 2,462 to 2,384, while its median household income rose 30.4% from $191,786 to $250,001.
The typical home was built around 2003. 0.8% of residents live below the poverty line.
Demographics
ACS 2019–2023- Population
- 2,384
- Median age
- 38.2 yrs
- Median household income
- $250,001
- Median home value
- $1,032,800
- Median gross rent
- —
- Housing units
- 689
- Homeownership rate
- 92.0%
- Bachelor's degree or higher
- 74.3%
- Unemployment rate
- 0.8%
Trends
ACS 5-year · 2019–20232,4622,384
$191,786$250,001
$830,800$1,032,800
| Year | Population | Median household income | Median home value |
|---|---|---|---|
| 2019 | 2,462 | $191,786 | $830,800 |
| 2020 | 2,476 | $250,001 | $896,800 |
| 2021 | 2,353 | $250,001 | $824,800 |
| 2022 | 2,406 | $250,001 | $962,200 |
| 2023 | 2,384 | $250,001 | $1,032,800 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 57.8%
5 to 1718.1%
18 to 2411.7%
25 to 3410.8%
35 to 4413.0%
45 to 5412.7%
55 to 6418.4%
65 to 742.7%
75 and over4.7%
| Count | Share | |
|---|---|---|
| Under 5 | 186 | 7.8% |
| 5 to 17 | 431 | 18.1% |
| 18 to 24 | 280 | 11.7% |
| 25 to 34 | 258 | 10.8% |
| 35 to 44 | 311 | 13.0% |
| 45 to 54 | 303 | 12.7% |
| 55 to 64 | 439 | 18.4% |
| 65 to 74 | 65 | 2.7% |
| 75 and over | 111 | 4.7% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 1,745 | 73.2% |
| Black or African American | 154 | 6.5% |
| American Indian & Alaska Native | 0 | 0.0% |
| Asian | 350 | 14.7% |
| Native Hawaiian & Pacific Islander | 0 | 0.0% |
| Some other race | 48 | 2.0% |
| Two or more races | 81 | 3.4% |
| Hispanic or Latino (any race) | 6 | 0.3% |
Educational attainment (age 25+)
No high school diploma1.8%
High school graduate8.1%
Some college or associate's15.8%
Bachelor's degree29.1%
Graduate or professional degree45.2%
| Count | Share | |
|---|---|---|
| No high school diploma | 27 | 1.8% |
| High school graduate | 120 | 8.1% |
| Some college or associate's | 235 | 15.8% |
| Bachelor's degree | 433 | 29.1% |
| Graduate or professional degree | 672 | 45.2% |
Commute to work
- Mean travel time to work
- 31 min
Drove alone72.7%
Carpooled6.7%
Public transit0.5%
Walked0.0%
Bicycle0.0%
Worked from home19.3%
Other means0.7%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 995 | 72.7% |
| Carpooled | 92 | 6.7% |
| Public transit | 7 | 0.5% |
| Walked | 0 | 0.0% |
| Bicycle | 0 | 0.0% |
| Worked from home | 264 | 19.3% |
| Other means | 10 | 0.7% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 105 | 9.5% |
| 15 to 29 min | 470 | 42.6% |
| 30 to 44 min | 195 | 17.7% |
| 45 to 59 min | 300 | 27.2% |
| 60+ min | 34 | 3.1% |
Households
- Average household size
- 3.45
- Poverty rate
- 0.8% (19 of 2,384)
| Count | Share | |
|---|---|---|
| Family households | 675 | 98.0% |
| Nonfamily households | 14 | 2.0% |
Housing
- Median year structure built
- 2003
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 689 | 100.0% |
| Vacant | 0 | 0.0% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 634 | 92.0% |
| Renter-occupied | 55 | 8.0% |
1-unit, detached99.1%
1-unit, attached0.9%
2 to 4 units0.0%
5 to 19 units0.0%
20 or more units0.0%
Mobile home & other0.0%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 683 | 99.1% |
| 1-unit, attached | 6 | 0.9% |
| 2 to 4 units | 0 | 0.0% |
| 5 to 19 units | 0 | 0.0% |
| 20 or more units | 0 | 0.0% |
| Mobile home & other | 0 | 0.0% |
Geography
- ZCTA
- 21737
- Land area
- 5.12 sq mi
- Water area
- 0.05 sq mi
- Center point
- 39.2483, -77.0271
Counties this ZIP covers
1Compare 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)