ZIP Code 21791
| ZIP Code | 21791 |
| City | UNION BRIDGE |
| State | MD |
| Type | STANDARD |
| Post offices count | 1 (see all) |
| Total population | 4,794 (see all) |
Cities in ZIP Code 21791
Primary city: UNION BRIDGE, MDAcceptable: LINWOOD
Post offices
UNION BRIDGE — Post Office™ 111 PENROSE ST UNION BRIDGE, MD 21791-9998 MoreUNION BRIDGE — Post Office™111 PENROSE ST For facility accessibility, please call the Post Office. 1-800-ASK-USPS® (800-275-8777) Hours
Services at this Location Service hours may vary.
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Map
Census data for ZIP Code 21791
Demographic and housing estimates in ZIP Code 21791
| Total population | 4,794 |
| Male | 2,542 |
| Female | 2,252 |
| Total population | 4,794 |
| Under 5 years | 308 |
| 5 to 9 years | 192 |
| 10 to 14 years | 204 |
| 15 to 19 years | 295 |
| 20 to 24 years | 259 |
| 25 to 34 years | 773 |
| 35 to 44 years | 402 |
| 45 to 54 years | 550 |
| 55 to 59 years | 433 |
| 60 to 64 years | 386 |
| 65 to 74 years | 451 |
| 75 to 84 years | 331 |
| 85 years and over | 210 |
| Median age (years) | 43.7 |
| Under 18 years | 895 |
| 16 years and over | 4,023 |
| 18 years and over | 3,899 |
| 21 years and over | 3,726 |
| 62 years and over | 1,242 |
| 65 years and over | 992 |
| Total population | 4,794 |
| One race | 4,726 |
| White | 4,499 |
| Black or African American | 78 |
| American Indian and Alaska Native | 4 |
| Asian | 111 |
| Native Hawaiian and Other Pacific Islander | 6 |
| Some other race | 28 |
| Two or more races | 68 |
| Citizen, VOTING AGE 18 and over population | 3,849 |
| Male Citizen, VOTING AGE 18 and over population | 2,043 |
| Female Citizen, VOTING AGE 18 and over population | 1,806 |
Social characteristics in ZIP Code 21791
| Total households | 1,924 |
| Family households (families) | 1,198 |
| Married-couple family | 108 |
| Male householder, no wife present, family | 397 |
| Female householder, no husband present, family | 328 |
| Nonfamily households | 221 |
| Average household size | 641 |
| Average family size | 2.49 |
Economic characteristics in ZIP Code 21791
| Total households | 1,924 |
| Less than $10,000 | 20 |
| $10,000 to $14,999 | 81 |
| $15,000 to $24,999 | 133 |
| $25,000 to $34,999 | 98 |
| $35,000 to $49,999 | 152 |
| $50,000 to $74,999 | 352 |
| $75,000 to $99,999 | 213 |
| $100,000 to $149,999 | 499 |
| $150,000 to $199,999 | 205 |
| $200,000 or more | 171 |
| Median household income (dollars) | 93,578 |
Housing characteristics in ZIP Code 21791
| Total housing units | 2,030 |
| Occupied housing units | 1,924 |
| Vacant housing units | 106 |
| Total housing units | 2,030 |
| 1-unit, detached | 1,840 |
| 1-unit, attached | 64 |
| 2 units | 62 |
| 3 or 4 units | 20 |
| 5 to 9 units | 34 |
| 10 to 19 units | 2 |
| 20 or more units | 0 |
| Mobile home | 8 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 2,030 |
| Built 2014 or later | 12 |
| Built 2010 to 2013 | 15 |
| Built 2000 to 2009 | 112 |
| Built 1990 to 1999 | 170 |
| Built 1980 to 1989 | 239 |
| Built 1970 to 1979 | 245 |
| Built 1960 to 1969 | 315 |
| Built 1950 to 1959 | 68 |
| Built 1940 to 1949 | 105 |
| Built 1939 or earlier | 749 |
| Total housing units | 2,030 |
| 1 room | 0 |
| 2 rooms | 6 |
| 3 rooms | 66 |
| 4 rooms | 114 |
| 5 rooms | 307 |
| 6 rooms | 360 |
| 7 rooms | 430 |
| 8 rooms | 207 |
| 9 rooms or more | 540 |
| Median rooms | 6.9 |
| Total housing units | 2,030 |
| No bedroom | 0 |
| 1 bedroom | 99 |
| 2 bedrooms | 375 |
| 3 bedrooms | 980 |
| 4 bedrooms | 455 |
| 5 or more bedrooms | 121 |
| Occupied housing units | 1,924 |
| Owner-occupied | 1,562 |
| Renter-occupied | 362 |
| Average household size of owner-occupied unit | 2.56 |
| Average household size of renter-occupied unit | 2.19 |
| Occupied housing units | 1,924 |
| Moved in 2017 or later | 146 |
| Moved in 2015 to 2016 | 341 |
| Moved in 2010 to 2014 | 341 |
| Moved in 2000 to 2009 | 331 |
| Moved in 1990 to 1999 | 248 |
| Moved in 1989 and earlier | 517 |
| Owner-occupied units | 1,562 |
| Less than $50,000 | 8 |
| $50,000 to $99,999 | 10 |
| $100,000 to $149,999 | 65 |
| $150,000 to $199,999 | 143 |
| $200,000 to $299,999 | 444 |
| $300,000 to $499,999 | 595 |
| $500,000 to $999,999 | 233 |
| $1,000,000 or more | 64 |
| Median (dollars) | 326,600 |
| Owner-occupied units | 1,562 |
| Housing units with a mortgage | 1,042 |
| Housing units without a mortgage | 520 |
| Occupied units paying rent | 336 |
| Less than $500 | 19 |
| $500 to $999 | 119 |
| $1,000 to $1,499 | 143 |
| $1,500 to $1,999 | 48 |
| $2,000 to $2,499 | 7 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 1,139 |
| No rent paid | 26 |
Data is based on 2021 Census