ZIP Code 21837
| ZIP Code | 21837 |
| City | MARDELA SPRINGS |
| State | MD |
| Type | STANDARD |
| Post offices count | 1 (see all) |
| Total population | 3,164 (see all) |
Cities in ZIP Code 21837
Primary city: MARDELA SPRINGS, MDAcceptable: MARDELA, MARDELA SPGS
Post offices
MARDELA SPRINGS — Post Office™ 301 RAILROAD AVE MARDELA SPRINGS, MD 21837-9998 MoreMARDELA SPRINGS — Post Office™301 RAILROAD AVE 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 21837
Demographic and housing estimates in ZIP Code 21837
| Total population | 3,164 |
| Male | 1,502 |
| Female | 1,662 |
| Total population | 3,164 |
| Under 5 years | 258 |
| 5 to 9 years | 79 |
| 10 to 14 years | 282 |
| 15 to 19 years | 206 |
| 20 to 24 years | 170 |
| 25 to 34 years | 417 |
| 35 to 44 years | 369 |
| 45 to 54 years | 448 |
| 55 to 59 years | 244 |
| 60 to 64 years | 155 |
| 65 to 74 years | 328 |
| 75 to 84 years | 137 |
| 85 years and over | 71 |
| Median age (years) | 39.3 |
| Under 18 years | 759 |
| 16 years and over | 2,506 |
| 18 years and over | 2,405 |
| 21 years and over | 2,334 |
| 62 years and over | 615 |
| 65 years and over | 536 |
| Total population | 3,164 |
| One race | 3,121 |
| White | 2,133 |
| Black or African American | 807 |
| American Indian and Alaska Native | 0 |
| Asian | 24 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 157 |
| Two or more races | 43 |
| Citizen, VOTING AGE 18 and over population | 2,347 |
| Male Citizen, VOTING AGE 18 and over population | 1,171 |
| Female Citizen, VOTING AGE 18 and over population | 1,176 |
Social characteristics in ZIP Code 21837
| Total households | 1,188 |
| Family households (families) | 591 |
| Married-couple family | 145 |
| Male householder, no wife present, family | 186 |
| Female householder, no husband present, family | 106 |
| Nonfamily households | 266 |
| Average household size | 342 |
| Average family size | 2.65 |
Economic characteristics in ZIP Code 21837
| Total households | 1,188 |
| Less than $10,000 | 46 |
| $10,000 to $14,999 | 34 |
| $15,000 to $24,999 | 90 |
| $25,000 to $34,999 | 17 |
| $35,000 to $49,999 | 191 |
| $50,000 to $74,999 | 239 |
| $75,000 to $99,999 | 232 |
| $100,000 to $149,999 | 239 |
| $150,000 to $199,999 | 55 |
| $200,000 or more | 45 |
| Median household income (dollars) | 69,457 |
Housing characteristics in ZIP Code 21837
| Total housing units | 1,258 |
| Occupied housing units | 1,188 |
| Vacant housing units | 70 |
| Total housing units | 1,258 |
| 1-unit, detached | 1,055 |
| 1-unit, attached | 22 |
| 2 units | 0 |
| 3 or 4 units | 0 |
| 5 to 9 units | 9 |
| 10 to 19 units | 0 |
| 20 or more units | 0 |
| Mobile home | 172 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 1,258 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 157 |
| Built 2000 to 2009 | 202 |
| Built 1990 to 1999 | 177 |
| Built 1980 to 1989 | 89 |
| Built 1970 to 1979 | 121 |
| Built 1960 to 1969 | 146 |
| Built 1950 to 1959 | 80 |
| Built 1940 to 1949 | 94 |
| Built 1939 or earlier | 192 |
| Total housing units | 1,258 |
| 1 room | 0 |
| 2 rooms | 14 |
| 3 rooms | 75 |
| 4 rooms | 45 |
| 5 rooms | 283 |
| 6 rooms | 261 |
| 7 rooms | 291 |
| 8 rooms | 107 |
| 9 rooms or more | 182 |
| Median rooms | 6.3 |
| Total housing units | 1,258 |
| No bedroom | 0 |
| 1 bedroom | 24 |
| 2 bedrooms | 209 |
| 3 bedrooms | 774 |
| 4 bedrooms | 201 |
| 5 or more bedrooms | 50 |
| Occupied housing units | 1,188 |
| Owner-occupied | 972 |
| Renter-occupied | 216 |
| Average household size of owner-occupied unit | 2.60 |
| Average household size of renter-occupied unit | 2.92 |
| Occupied housing units | 1,188 |
| Moved in 2017 or later | 98 |
| Moved in 2015 to 2016 | 201 |
| Moved in 2010 to 2014 | 132 |
| Moved in 2000 to 2009 | 382 |
| Moved in 1990 to 1999 | 114 |
| Moved in 1989 and earlier | 261 |
| Owner-occupied units | 972 |
| Less than $50,000 | 31 |
| $50,000 to $99,999 | 66 |
| $100,000 to $149,999 | 266 |
| $150,000 to $199,999 | 277 |
| $200,000 to $299,999 | 242 |
| $300,000 to $499,999 | 67 |
| $500,000 to $999,999 | 12 |
| $1,000,000 or more | 11 |
| Median (dollars) | 172,900 |
| Owner-occupied units | 972 |
| Housing units with a mortgage | 640 |
| Housing units without a mortgage | 332 |
| Occupied units paying rent | 168 |
| Less than $500 | 0 |
| $500 to $999 | 85 |
| $1,000 to $1,499 | 50 |
| $1,500 to $1,999 | 33 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 999 |
| No rent paid | 48 |
Data is based on 2021 Census