ZIP code
21057
Glen Arm, MD
21057 covers Glen Arm in Baltimore County, with 4,463 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 21057. Methodology
ZIP code map of 21057
About ZIP code 21057
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 21057. Not ACS. Methodology
People in 21057
Race
- White3,669
- Black or African American49
- American Indian or Alaska Native4
- Asian95
- Native Hawaiian and Pacific Islander3
- Other race26
- Two or more races214
Hispanic or Latino (any race): 106
Age
- Under 10379
- 10 to 19454
- 20 to 29271
- 30 to 39427
- 40 to 49375
- 50 to 59559
- 60 to 69685
- 70 to 79469
- 80 and older441
Income and housing in 21057
Education
- High school graduate95.0%
- Bachelor's degree58.0%
- Graduate degree24.7%
Places covering 21057
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Carney0.4%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Baltimore County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
99.6% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 21057
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 4,144 | |
| 2006 | 3,940 | |
| 2007 | 4,047 | |
| 2008 | 3,959 | |
| 2009 | 3,926 | |
| 2010 | 3,970 | |
| 2011 | 3,967 | 3,965 |
| 2012 | 3,993 | 3,940 |
| 2013 | 3,834 | 3,930 |
| 2014 | 3,947 | 3,930 |
| 2015 | 3,881 | 4,000 |
| 2016 | 3,946 | 4,050 |
| 2017 | 3,957 | 3,970 |
| 2018 | 4,284 | 3,950 |
| 2019 | 4,232 | 3,920 |
| 2020 | 4,109 | 3,900 |
| 2021 | 4,485 | 3,820 |
| 2022 | 4,530 | 3,860 |
| 2023 | 4,463 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 21057
12 nearest ZIP centroids (any distance)
- 21082Hydes2.9 miPop 525 · Income $144,426
- 21051Fork3.4 miPop 132 · Income $189,453
- 21234Parkville4.0 miPop 65,010 · Income $83,139
- 21286Towson4.1 miPop 21,782 · Income $93,093
- 21236Nottingham4.5 miPop 39,653 · Income $92,130
- 21013Baldwin4.5 miPop 5,985 · Income $170,333
- 21128Perry Hall4.6 miPop 14,954 · Income $123,191
- 21087Kingsville5.3 miPop 5,742 · Income $124,500
- 21131Phoenix5.6 miPop 7,050 · Income $187,250
- 21156Upper Falls6.0 miPop 297 · Income $124,648
- 21252Towson6.5 miPop 4,675 · Income —
- 21047Fallston6.7 miPop 13,540 · Income $154,524
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 21057, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 21057 FAQ
- What city is ZIP code 21057 in?
- 21057 is in Glen Arm, MD.
- What county is 21057 in?
- 21057 is in Baltimore County.
- What is the median household income in 21057?
- The median household income in 21057 is $170,417.
- Which ZIP codes are near 21057?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 21057.