ZIP code 21031: Hunt Valley, MD
21031 is a ZIP code in Hunt Valley, Maryland, mainly in Baltimore County, part of the Baltimore-Columbia-Towson, MD metro area. About 26 people live here.
- Population
- 26
- Median household income
- —
- Typical home value
- —
- Median rent
- —gross, per month
- Median age
- —
- Homeowners
- 0%of occupied homes
Shaded: ZIP code 21031's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 21031 details
| City | Hunt Valley |
|---|---|
| State | Maryland |
| County | Baltimore County |
| Metro area | Baltimore-Columbia-Towson, MD |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 0.9 sq mi |
| Population density | 28 people per sq mi |
| Bachelor's degree or higher | 0% of adults 25+ |
| Center coordinates | 39.48739, -76.65794 |
ZIP codes near 21031
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 21065 | Hunt Valley, MD | 0.2 mi | — |
| 21030 | Cockeysville, MD | 2.9 mi | 25,827 |
| 21093 | Lutherville Timonium, MD | 3.5 mi | 39,100 |
| 21131 | Phoenix, MD | 3.9 mi | 7,141 |
| 21094 | Lutherville Timonium, MD | 4.8 mi | — |
| 21152 | Sparks Glencoe, MD | 4.9 mi | 6,459 |
| 21023 | Butler, MD | 5.0 mi | 66 |
| 21153 | Stevenson, MD | 5.3 mi | 456 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
About ZIP code 21031
What city is ZIP code 21031?
ZIP code 21031 is in Hunt Valley, MD, in Baltimore County.
What county is ZIP code 21031 in?
21031 is mainly in Baltimore County, Maryland.
What is the population of ZIP code 21031?
About 26 people live in ZIP code 21031, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 21031 in?
21031 is in Eastern Time (UTC−5). It observes daylight saving time.
What other ZIP codes does Hunt Valley have?
Hunt Valley, MD also uses 21065.