ZIP Code 21010 - Gunpowder Maryland
Overview
ZIP Code 21010 is located in Gunpowder Maryland. Portions of 21010 are also in Edgewood. 21010 is entirely within Harford County. Regionally, 21010 is located in Metro Baltimore.
ZIP Code 21010 Quick Stats
| ZIP Code Name | Gunpowder |
| Primary County | Harford County |
| ZIP Code Type | Standard |
| Population (2022) | 216 |
| Area Code(s) | 410 / 443 / 667 |
| Current Time | EDT |
ZIP Code 21010 Map
21010 Demographics
21010 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in Maryland. The majority race/ethnicity residing in 21010 is White. The current unemployment level in 21010 is 4.4%.
| Population | 216 |
| Population Growth Rate | 35.32% |
| Population Density | 7 People per Square Mile |
| Total Households | 56 |
| Median Household Income (2021) | $82,813 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6% |
| Majority Race/Ethnicity | White - 69.83% |
21010 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 206 | 69.83% |
| Black | 51 | 17.29% |
| Hispanic | 38 | 12.88% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
21010 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 23 | 25.27% |
| Bachelor Degree | 8 | 8.79% |
| High School Diploma | 28 | 30.77% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 0 | 0% |
| 1 or More Years of College | 10 | 10.99% |
| Associates Degree | 0 | 0% |
| Masters Degree | 22 | 24.18% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
21010 Geography
| Coordinates | 39.37297821, -76.28406525 |
| Adjacent ZIP Codes | |
| Cities/Towns in 21010 | |
| Region | Metro Baltimore |
| Metropolitan/Micropolitan Stat Area | Baltimore-Columbia-Towson, MD |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 31 Square Miles |
21010 Schools
| School Districts in 21010 | |
| Elementary Schools in 21010 | |
| Middle Schools in 21010 | |
| High Schools in 21010 |
21010 Weather and Climate Data
| Plant Hardiness Zone | Zone 7b: 5F to 10F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Cfa - Humid Subtropical Climate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 63b - Chesapeake-Pamlico Lowlands and Tidal Marshes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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