ZIP Code 21057
ZIP Code Tabulation Area in Baltimore County, Maryland.
- Population
- 4,463
- Median household income
- $170,417
- Median home value
- $609,000
+5.5%’19–’23
+29.8%’19–’23
+23.9%’19–’23
Covering part of Baltimore County, Maryland, ZIP Code 21057 has about 4,463 residents. The median household income of $170,417 is above the Baltimore County median ($90,904).
From 2019 to 2023, ZIP Code 21057's population grew 5.5% from 4,232 to 4,463.
58.0% of adults 25 and older hold a bachelor's degree or higher. Owners occupy 86.6% of the area's occupied homes.
Demographics
ACS 2019–2023- Population
- 4,463
- Median age
- 42.7 yrs
- Median household income
- $170,417
- Median home value
- $609,000
- Median gross rent
- $1,672
- Housing units
- 1,664
- Homeownership rate
- 86.6%
- Bachelor's degree or higher
- 58.0%
- Unemployment rate
- 1.7%
Trends
ACS 5-year · 2019–20234,2324,463
$131,250$170,417
$491,700$609,000
$860$1,672
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 4,232 | $131,250 | $491,700 | — |
| 2020 | 4,109 | $120,234 | $488,600 | $860 |
| 2021 | 4,485 | $131,184 | $521,300 | $895 |
| 2022 | 4,530 | $163,462 | $576,100 | $1,620 |
| 2023 | 4,463 | $170,417 | $609,000 | $1,672 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 55.7%
5 to 1720.1%
18 to 245.7%
25 to 344.3%
35 to 4417.0%
45 to 549.8%
55 to 6416.6%
65 to 749.0%
75 and over11.9%
| Count | Share | |
|---|---|---|
| Under 5 | 254 | 5.7% |
| 5 to 17 | 895 | 20.1% |
| 18 to 24 | 255 | 5.7% |
| 25 to 34 | 193 | 4.3% |
| 35 to 44 | 758 | 17.0% |
| 45 to 54 | 437 | 9.8% |
| 55 to 64 | 742 | 16.6% |
| 65 to 74 | 400 | 9.0% |
| 75 and over | 529 | 11.9% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 3,724 | 83.4% |
| Black or African American | 215 | 4.8% |
| American Indian & Alaska Native | 4 | 0.1% |
| Asian | 74 | 1.7% |
| Native Hawaiian & Pacific Islander | 0 | 0.0% |
| Some other race | 0 | 0.0% |
| Two or more races | 90 | 2.0% |
| Hispanic or Latino (any race) | 356 | 8.0% |
Educational attainment (age 25+)
No high school diploma5.0%
High school graduate12.7%
Some college or associate's24.3%
Bachelor's degree33.3%
Graduate or professional degree24.7%
| Count | Share | |
|---|---|---|
| No high school diploma | 152 | 5.0% |
| High school graduate | 388 | 12.7% |
| Some college or associate's | 744 | 24.3% |
| Bachelor's degree | 1,020 | 33.3% |
| Graduate or professional degree | 755 | 24.7% |
Commute to work
- Mean travel time to work
- 34 min
Drove alone76.3%
Carpooled3.6%
Public transit0.0%
Walked1.5%
Bicycle0.0%
Worked from home17.4%
Other means1.2%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 1,716 | 76.3% |
| Carpooled | 80 | 3.6% |
| Public transit | 0 | 0.0% |
| Walked | 34 | 1.5% |
| Bicycle | 0 | 0.0% |
| Worked from home | 392 | 17.4% |
| Other means | 28 | 1.2% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 267 | 14.4% |
| 15 to 29 min | 594 | 32.0% |
| 30 to 44 min | 423 | 22.8% |
| 45 to 59 min | 299 | 16.1% |
| 60+ min | 275 | 14.8% |
Households
- Average household size
- 2.85
- Poverty rate
- 1.5% (66 of 4,431)
| Count | Share | |
|---|---|---|
| Family households | 1,222 | 78.5% |
| Nonfamily households | 334 | 21.5% |
Housing
- Median year structure built
- 1971
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 1,556 | 93.5% |
| Vacant | 108 | 6.5% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 1,348 | 86.6% |
| Renter-occupied | 208 | 13.4% |
1-unit, detached86.6%
1-unit, attached3.5%
2 to 4 units0.0%
5 to 19 units3.1%
20 or more units6.8%
Mobile home & other0.0%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 1,441 | 86.6% |
| 1-unit, attached | 58 | 3.5% |
| 2 to 4 units | 0 | 0.0% |
| 5 to 19 units | 52 | 3.1% |
| 20 or more units | 113 | 6.8% |
| Mobile home & other | 0 | 0.0% |
Geography
- ZCTA
- 21057
- Land area
- 16 sq mi
- Water area
- 0.44 sq mi
- Center point
- 39.4487, -76.5125
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)