Residential delivery area · Maryland
ZIP Code 21010: Edgewood (Gunpowder), MD
ZIP code 21010 is in Edgewood (postal name Gunpowder), Maryland, entirely in Harford County (Census 2020 ZIP-county file). About 240 people live there (Census Bureau, ACS 2020-2024). Median household income is $99,410 (Census Bureau, ACS 2020-2024). By Census place, 78% of its land lies in Edgewood (a census-designated place); 22% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- Town
- Gunpowder · its only residential ZIP
- County
- Harford County
- Census places
- Edgewood census-designated place
- Metro area
- Baltimore-Columbia-Towson, MD
- House district
- MD-1 119th Congress
- State
- Maryland
- Time zone
- Eastern
- Land area
- 7.3 sq mi · 33 people per sq mi
Where is ZIP code 21010?
21010 centers on 39.391°, -76.293° and covers 7.3 square miles of land plus 0.1 of water. It borders 2 ZIP codes: 21040, 21085.
The map draws ZIP code areas only. For the streets inside 21010, 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).
How does 21010 compare with the rest of Harford County?
| Measure | 21010 | In Harford County | In MD |
|---|---|---|---|
| People (ACS 2020-2024) | 239 | 23rd of 24 | 425th of 477 |
| Median household income | $99k | not ranked | not ranked |
| Median home value | – | not ranked | not ranked |
21010's income and home value are not ranked: it has fewer than 1,000 residents (239). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 35% of 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 21010?
The 2020 Census counted 153 people in 21010; the ACS, which samples households over 2020-2024, estimates 239. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 239±274 (90% margin)
- 2020 Census count
- 153
- Households
- 55
- Median age
- 19.3
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 21010?
Of the 239 people the ACS estimates in 21010, 45.6% are under 18 and 0.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (79.5%), then Hispanic or Latino (20.5%).
- Under 1845.6%
- 18 to 6454.4%
- 65 and older0.0%
- White, not Hispanic79.5%
- Hispanic or Latino20.5%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
- Other or two or more0.0%
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 21010 earn?
Median household income is $99,410 (ACS 2020-2024).
- Median household income
- $99,410±$47,033
- Income per person
- $28,745
- Below the poverty line
- 0.0%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 69.3%
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 21010?
- Median home value (owners' estimate)
- –
- Median gross rent
- $3,147
- Homes owned by their occupants
- 0.0%
- Housing units
- 117
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 21010?
18 business establishments had a location in this ZIP code in 2023, 15 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services10
- Health care and social assistance5
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 21010?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 21040 | Edgewood | 24,960 | $82k | 2.7 mi |
| 21085 | Joppa | 17,307 | $114k | 5.1 mi |
| 21009 | Abingdon | 33,679 | $122k | 5.6 mi (near) |
| 21162 | White Marsh | 4,639 | $158k | 6.0 mi (near) |
| 21220 | Middle River | 42,824 | $82k | 6.2 mi (near) |
| 21156 | Upper Falls | 204 | – | 6.5 mi (near) |
| 21017 | Belcamp | 6,648 | $107k | 6.6 mi (near) |
| 21087 | Kingsville | 5,537 | $129k | 7.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.