| ZIP Code | 21791 |
|---|---|
| City | Union Bridge |
| State | Maryland (MD) |
| County | Carroll County |
| Area Code | 410/443/667 |
| Elevation | 512 ft |
| Latitude | 39.533053 |
|---|---|
| Longitude | -77.18856 |
| Timezone | New York (DST) |
| FIPS | 24021 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 40.9 yrs ↓ 12% since 2019 |
|---|---|
| Avg Household Size | 2.54 |
| Below Poverty | 6.5% ▼ 35% below avg |
| College Grads | 31.9% ▼ 18% below avg |
| Unemployment | 2.4% ▼ 51% below avg |
| No HS Diploma | 25 (0.8%) |
| HS Graduate | 1,404 (43.3%) |
| Some College | 323 (10%) |
| Associates | 456 (14.1%) |
| Bachelors | 169 (5.2%) |
| Graduate Degree | 865 (26.7%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $90,460 ▲ 19% above avg ↑ 4% since 2019 |
|---|---|
| Median Home Value | $370,300 ▲ 33% above avg ↑ 14% since 2019 |
| Home/Income Ratio | 4.1x (nat avg ~3.5x) |
| Median Rent | $1,320/mo ↑ 23% since 2019 |
| Total Units | 1,975 |
| Vacant Units | 110 |
| Avg HH Size | 2.54 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 1,975 |
|---|---|
| Vacant | 110 |
| Owner Occupied | 83.6% |
| Renter Occupied | 16.4% |
| Avg HH Size | 2.54 |
ZIP code 21791 is located in Union Bridge, Maryland, within Carroll County. With a population of 4,734, this is a lightly populated ZIP code with a middle-aged community — the median age is 40.9 years. Economically, 21791 is a middle-income ZIP code: the median household income of $90,460 is above the national average.
Real estate in ZIP code 21791 represents a mid-range housing market. The median home value of $370,300 is above the national average. Renters can expect to pay around $1,320 per month in median rent. Homeownership is strong here — 83.6% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 14% since 2019.
The population of 21791 is primarily White (93.60%). Residents are moderately educated — 31.9% hold a bachelor's degree or higher, which is below the national average. Poverty affects a relatively small share of residents at 6.5%. Household income has grown by 4% since 2019.
The unemployment rate in 21791 stands at 2.4%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 84%.
Overall, ZIP code 21791 in Union Bridge, MD is characterized as middle-income, moderately educated, a middle-aged community, and predominantly owner-occupied. With 4,734 residents, a median household income of $90,460, and a median home value of $370,300, it offers a clear picture of life in this part of Maryland.