ZIP Code 21031 - Hunt Valley Maryland
Overview
ZIP Code 21031 is located in Hunt Valley Maryland. Portions of 21031 are also in Cockeysville. 21031 is entirely within Baltimore County. Regionally, 21031 is located in Metro Baltimore.
ZIP Code 21031 Quick Stats
| ZIP Code Name | Hunt Valley |
| Primary County | Baltimore County |
| ZIP Code Type | Standard |
| Population (2022) | 26 |
| Area Code(s) | 410 / 443 / 667 |
| Current Time | EDT |
ZIP Code 21031 Map
21031 Demographics
The majority race/ethnicity residing in 21031 is African American. The current unemployment level in 21031 is 4.4%.
| Population | 26 |
| Population Density | 35 People per Square Mile |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6% |
| Majority Race/Ethnicity | African American - 100% |
21031 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 0 | 0% |
| Black | 26 | 100% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
21031 Geography
| Coordinates | 39.48885345, -76.65922546 |
| Adjacent ZIP Codes | |
| Cities/Towns in 21031 | |
| Region | Metro Baltimore |
| Metropolitan/Micropolitan Stat Area | Baltimore-Columbia-Towson, MD |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 0.74080928 Square Miles |
21031 Schools
| School Districts in 21031 | |
| Elementary Schools in 21031 | |
| Middle Schools in 21031 | |
| High Schools in 21031 |
21031 Weather and Climate Data
| Plant Hardiness Zone | Zone 7a: 0F to 5F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Cfa - Humid Subtropical Climate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 64c - Piedmont Uplands | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||