ZIP Code 21921
| ZIP Code | 21921 |
| City | ELKTON |
| State | MD |
| Type | STANDARD |
| Post offices count | 1 (see all) |
| Total population | 44,793 (see all) |
Cities in ZIP Code 21921
Primary city: ELKTON, MDPost offices
ELKTON — Post Office™ 137 W MAIN ST ELKTON, MD 21921-9998 MoreELKTON — Post Office™137 W MAIN 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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Census data for ZIP Code 21921
Demographic and housing estimates in ZIP Code 21921
| Total population | 44,793 |
| Male | 22,538 |
| Female | 22,255 |
| Total population | 44,793 |
| Under 5 years | 2,613 |
| 5 to 9 years | 2,708 |
| 10 to 14 years | 2,890 |
| 15 to 19 years | 2,859 |
| 20 to 24 years | 2,674 |
| 25 to 34 years | 6,755 |
| 35 to 44 years | 5,057 |
| 45 to 54 years | 5,827 |
| 55 to 59 years | 3,175 |
| 60 to 64 years | 3,500 |
| 65 to 74 years | 4,244 |
| 75 to 84 years | 1,852 |
| 85 years and over | 639 |
| Median age (years) | 39.0 |
| Under 18 years | 10,104 |
| 16 years and over | 36,029 |
| 18 years and over | 34,689 |
| 21 years and over | 33,390 |
| 62 years and over | 8,912 |
| 65 years and over | 6,735 |
| Total population | 44,793 |
| One race | 42,002 |
| White | 36,357 |
| Black or African American | 4,307 |
| American Indian and Alaska Native | 0 |
| Asian | 770 |
| Native Hawaiian and Other Pacific Islander | 36 |
| Some other race | 532 |
| Two or more races | 2,791 |
| Citizen, VOTING AGE 18 and over population | 33,439 |
| Male Citizen, VOTING AGE 18 and over population | 17,029 |
| Female Citizen, VOTING AGE 18 and over population | 16,410 |
Social characteristics in ZIP Code 21921
| Total households | 16,825 |
| Family households (families) | 8,363 |
| Married-couple family | 1,460 |
| Male householder, no wife present, family | 3,257 |
| Female householder, no husband present, family | 2,262 |
| Nonfamily households | 3,745 |
| Average household size | 4,742 |
| Average family size | 2.61 |
Economic characteristics in ZIP Code 21921
| Total households | 16,825 |
| Less than $10,000 | 700 |
| $10,000 to $14,999 | 605 |
| $15,000 to $24,999 | 1,057 |
| $25,000 to $34,999 | 1,410 |
| $35,000 to $49,999 | 1,887 |
| $50,000 to $74,999 | 2,617 |
| $75,000 to $99,999 | 2,861 |
| $100,000 to $149,999 | 2,984 |
| $150,000 to $199,999 | 1,556 |
| $200,000 or more | 1,148 |
| Median household income (dollars) | 76,214 |
Housing characteristics in ZIP Code 21921
| Total housing units | 18,187 |
| Occupied housing units | 16,825 |
| Vacant housing units | 1,362 |
| Total housing units | 18,187 |
| 1-unit, detached | 11,854 |
| 1-unit, attached | 2,181 |
| 2 units | 353 |
| 3 or 4 units | 555 |
| 5 to 9 units | 1,120 |
| 10 to 19 units | 538 |
| 20 or more units | 709 |
| Mobile home | 865 |
| Boat, RV, van, etc. | 12 |
| Total housing units | 18,187 |
| Built 2014 or later | 9 |
| Built 2010 to 2013 | 1,590 |
| Built 2000 to 2009 | 3,339 |
| Built 1990 to 1999 | 3,369 |
| Built 1980 to 1989 | 2,505 |
| Built 1970 to 1979 | 2,654 |
| Built 1960 to 1969 | 1,467 |
| Built 1950 to 1959 | 1,401 |
| Built 1940 to 1949 | 496 |
| Built 1939 or earlier | 1,357 |
| Total housing units | 18,187 |
| 1 room | 151 |
| 2 rooms | 147 |
| 3 rooms | 1,023 |
| 4 rooms | 2,372 |
| 5 rooms | 3,011 |
| 6 rooms | 3,468 |
| 7 rooms | 3,296 |
| 8 rooms | 1,940 |
| 9 rooms or more | 2,779 |
| Median rooms | 6.2 |
| Total housing units | 18,187 |
| No bedroom | 182 |
| 1 bedroom | 878 |
| 2 bedrooms | 4,195 |
| 3 bedrooms | 8,272 |
| 4 bedrooms | 3,859 |
| 5 or more bedrooms | 801 |
| Occupied housing units | 16,825 |
| Owner-occupied | 11,754 |
| Renter-occupied | 5,071 |
| Average household size of owner-occupied unit | 2.65 |
| Average household size of renter-occupied unit | 2.52 |
| Occupied housing units | 16,825 |
| Moved in 2017 or later | 1,578 |
| Moved in 2015 to 2016 | 4,441 |
| Moved in 2010 to 2014 | 2,569 |
| Moved in 2000 to 2009 | 4,059 |
| Moved in 1990 to 1999 | 1,896 |
| Moved in 1989 and earlier | 2,282 |
| Owner-occupied units | 11,754 |
| Less than $50,000 | 587 |
| $50,000 to $99,999 | 549 |
| $100,000 to $149,999 | 807 |
| $150,000 to $199,999 | 1,836 |
| $200,000 to $299,999 | 4,411 |
| $300,000 to $499,999 | 2,894 |
| $500,000 to $999,999 | 530 |
| $1,000,000 or more | 140 |
| Median (dollars) | 243,500 |
| Owner-occupied units | 11,754 |
| Housing units with a mortgage | 8,286 |
| Housing units without a mortgage | 3,468 |
| Occupied units paying rent | 4,833 |
| Less than $500 | 184 |
| $500 to $999 | 959 |
| $1,000 to $1,499 | 2,089 |
| $1,500 to $1,999 | 1,279 |
| $2,000 to $2,499 | 266 |
| $2,500 to $2,999 | 32 |
| $3,000 or more | 24 |
| Median (dollars) | 1,279 |
| No rent paid | 238 |
Data is based on 2021 Census