Residential delivery area · Maryland
ZIP Code 21031: Cockeysville (Hunt Valley), MD
ZIP code 21031 is in Cockeysville (postal name Hunt Valley), Maryland, entirely in Baltimore County (Census 2020 ZIP-county file). About 30 people live there (Census Bureau, ACS 2020-2024). By Census place, its land lies in Cockeysville (a census-designated place). 320 business establishments had a location in this ZIP code in 2023, 1 more than in 2018; the most are in finance and insurance (ZIP Code Business Patterns).
- ACS2020-24
- Census2020
- ZBP2023
- Town
- Hunt Valley · its only residential ZIP
- County
- Baltimore County
- Census places
- Cockeysville census-designated place
- Metro area
- Baltimore-Columbia-Towson, MD
- House district
- MD-2 119th Congress
- State
- Maryland
- Time zone
- Eastern
- Land area
- 0.9 sq mi · 28 people per sq mi
- PO Box ZIPs
- 21065 also use the name Hunt Valley
Where is ZIP code 21031?
21031 centers on 39.487°, -76.658° and covers 0.9 square miles of land. It borders 1 ZIP code: 21030.
The map draws ZIP code areas only. For the streets inside 21031, 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).
What businesses are in 21031?
- Finance and insurance85
- Professional, scientific, and technical services58
- Administrative and support and waste management and remediation services25
- Health care and social assistance23
- Accommodation and food services23
- Wholesale trade22
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 21031?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 21030 | Cockeysville | 25,827 | $89k | 2.9 mi |
| 21093 | Lutherville Timonium | 39,100 | $126k | 3.5 mi (near) |
| 21131 | Phoenix | 7,141 | $198k | 3.9 mi (near) |
| 21152 | Sparks Glencoe | 6,459 | $121k | 4.9 mi (near) |
| 21153 | Stevenson | 456 | $220k | 5.3 mi (near) |
| 21204 | Towson | 19,845 | $100k | 5.8 mi (near) |
| 21286 | Towson | 21,853 | $94k | 6.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name Hunt Valley?
1 more ZIP code carries the postal name Hunt Valley, MD without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 21065 | Baltimore County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.