ZIP code
21090
Linthicum Heights, MD
21090 covers Linthicum Heights in Anne Arundel County, with 10,033 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 21090. Methodology
ZIP code map of 21090

About ZIP code 21090
Acceptable cities: Linthicum, Linthicum Hts
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 21090. Not ACS. Methodology
People in 21090
Race
- White8,372
- Black or African American659
- American Indian or Alaska Native53
- Asian560
- Native Hawaiian and Pacific Islander21
- Other race275
- Two or more races683
Hispanic or Latino (any race): 583
Age
- Under 101,179
- 10 to 191,157
- 20 to 291,323
- 30 to 391,564
- 40 to 491,219
- 50 to 591,492
- 60 to 691,382
- 70 to 79800
- 80 and older507
Income and housing in 21090
Education
- High school graduate94.9%
- Bachelor's degree42.8%
- Graduate degree17.8%
Places covering 21090
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.
- Linthicum99.1%
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.
- Anne Arundel 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
0.9% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 21090
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 9,760 | |
| 2006 | 9,308 | |
| 2007 | 9,649 | |
| 2008 | 9,350 | |
| 2009 | 9,560 | |
| 2010 | 9,565 | |
| 2011 | 9,986 | 9,551 |
| 2012 | 10,273 | 9,730 |
| 2013 | 9,986 | 9,590 |
| 2014 | 9,928 | 9,680 |
| 2015 | 10,288 | 9,700 |
| 2016 | 10,199 | 9,740 |
| 2017 | 10,463 | 9,800 |
| 2018 | 10,494 | 9,820 |
| 2019 | 9,991 | 9,960 |
| 2020 | 9,715 | 10,090 |
| 2021 | 9,921 | 9,860 |
| 2022 | 10,346 | 9,990 |
| 2023 | 10,033 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 21090
12 nearest ZIP centroids (any distance)
- 21227Halethorpe2.2 miPop 35,695 · Income $83,620
- 21240Baltimore2.4 miPop 0 · Income —
- 21225Brooklyn2.9 miPop 34,469 · Income $50,069
- 21061Glen Burnie3.8 miPop 56,453 · Income $86,081
- 21077Harmans4.0 miPop 137 · Income —
- 21250Baltimore4.0 miPop 3,001 · Income —
- 21076Hanover4.1 miPop 23,642 · Income $143,409
- 21230Baltimore4.5 miPop 33,509 · Income $94,164
- 21075Elkridge4.6 miPop 37,146 · Income $133,321
- 21223Baltimore5.1 miPop 19,793 · Income $41,828
- 21060Glen Burnie5.3 miPop 39,225 · Income $99,739
- 21229Baltimore5.4 miPop 44,687 · Income $55,457
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 21090, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 21090 FAQ
- What city is ZIP code 21090 in?
- 21090 is in Linthicum Heights, MD.
- What county is 21090 in?
- 21090 is in Anne Arundel County.
- What is the median household income in 21090?
- The median household income in 21090 is $124,688.
- Which ZIP codes are near 21090?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 21090.