Residential delivery area · Maryland
ZIP Code 21210: Baltimore, MD
ZIP code 21210 is in Baltimore, Maryland, mostly in Baltimore city (84% of its land) with the rest in Baltimore County (Census 2020 ZIP-county file). About 14,000 people live there (Census Bureau, ACS 2020-2024), the 19th most populous of Baltimore's 25 residential ZIP codes. Median household income is $112,428 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Baltimore (84%) and Towson (16%).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Baltimore · 25 residential ZIPs
- County
- Baltimore city (84%); Baltimore County (16%)
- Census places
- Baltimore (84%); Towson (16%) census-designated place
- Neighborhoods
- Blythewood, Keswick, Roland Park, The Orchards, Tuscany-Canterbury, Wyman Park and 1 more GeoNames
- Metro area
- Baltimore-Columbia-Towson, MD
- House districts
- MD-2 (96%), MD-7 (4%) 119th Congress, by share of land
- State
- Maryland
- Time zone
- Eastern
- Land area
- 3.4 sq mi · 4,100 people per sq mi
- PO Box ZIPs
- 17 more ZIP codes use the name Baltimore for PO boxes or single organizations
Where is ZIP code 21210?
21210 centers on 39.358°, -76.635° and covers 3.4 square miles of land plus 0.0 of water. It borders 5 ZIP codes: 21212, 21209, 21211, 21218, 21204.
The map draws ZIP code areas only. For the streets inside 21210, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 21210 compare with the rest of Baltimore?
| Measure | 21210 | In Baltimore | In Baltimore city | In MD |
|---|---|---|---|---|
| People (ACS 2020-2024) | 14,134 | 19th of 25 | 27th of 32 | 156th of 477 |
| Median household income | $112k | 1st of 20 | 1st of 29 | 142nd of 293 |
| Median home value | $547k | 1st of 19 | 1st of 28 | 78th of 320 |
Its median household income is higher than in 88% of U.S. residential ZIP codes, and it is denser than 92% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 21210?
The 2020 Census counted 14,441 people in 21210; the ACS, which samples households over 2020-2024, estimates 14,134. Between the 2010 and 2020 censuses its population grew 1.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 14,134
- 2020 Census count
- 14,441+1.0% since 2010 (14,292)
- Households
- 5,202
- Median age
- 32.0
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 21210?
Of the 14,134 people the ACS estimates in 21210, 20.1% are under 18 and 17.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (57.7%), then Black (not Hispanic) (15.9%).
- Under 1820.1%
- 18 to 6462.4%
- 65 and older17.5%
- White, not Hispanic57.7%
- Black, not Hispanic15.9%
- Hispanic or Latino13.1%
- Asian, not Hispanic9.1%
- Other or two or more4.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 21210 earn?
Median household income is $112,428 (ACS 2020-2024), the highest of the 29 ranked ZIP codes in Baltimore city. It is not measurably different from 2015-2019 ($127,719 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $112,428±$11,958
- Income per person
- $70,441
- Below the poverty line
- 7.3%
- Unemployed (of the labor force)
- 3.9%
- Adults 25+ with a bachelor's degree
- 83.6%
- Adjusted gross income per tax return, 2022
- $206,7055,410 returns; wages 57% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 21210?
FHFA's house price index for 21210, built from repeat sales and appraisals of the same homes, rose 44% from 2015 to 2025 and rose 35% from 2020 to 2025, and moved +1.5% in 2025.
- Median home value (owners' estimate)
- $547,300
- Median gross rent
- $1,535
- Homes owned by their occupants
- 61.5%
- Housing units
- 5,595
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 21210?
301 business establishments had a location in this ZIP code in 2023, 25 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services71
- Health care and social assistance53
- Other services (except public administration)40
- Accommodation and food services26
- Retail trade23
- Real estate and rental and leasing23
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 21210?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 21212 | Baltimore | 33,974 | $97k | 1.3 mi |
| 21209 | Baltimore | 30,126 | $91k | 1.9 mi |
| 21211 | Baltimore | 14,969 | $83k | 2.0 mi |
| 21218 | Baltimore | 44,014 | $63k | 2.6 mi |
| 21204 | Towson | 19,845 | $100k | 3.4 mi |
| 21285 | Towson | 3 | – | 2.3 mi (near) |
| 21239 | Baltimore | 27,346 | $63k | 2.6 mi (near) |
| 21215 | Baltimore | 52,229 | $52k | 2.6 mi (near) |
| 21252 | Towson | 4,865 | – | 2.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.