ZIP Code 20851
| ZIP Code | 20851 |
| City | ROCKVILLE |
| State | MD |
| Type | STANDARD |
| Post offices count | 1 (see all) |
| Total population | 14,840 (see all) |
Cities in ZIP Code 20851
Primary city: ROCKVILLE, MDPost offices
TWINBROOK — Post Office™ 2001 VEIRS MILL RD ROCKVILLE, MD 20851-9997 MoreTWINBROOK — Post Office™2001 VEIRS MILL RD 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 20851
Demographic and housing estimates in ZIP Code 20851
| Total population | 14,840 |
| Male | 7,660 |
| Female | 7,180 |
| Total population | 14,840 |
| Under 5 years | 651 |
| 5 to 9 years | 1,047 |
| 10 to 14 years | 883 |
| 15 to 19 years | 851 |
| 20 to 24 years | 767 |
| 25 to 34 years | 2,631 |
| 35 to 44 years | 2,037 |
| 45 to 54 years | 1,974 |
| 55 to 59 years | 929 |
| 60 to 64 years | 1,048 |
| 65 to 74 years | 1,425 |
| 75 to 84 years | 424 |
| 85 years and over | 173 |
| Median age (years) | 37.8 |
| Under 18 years | 2,981 |
| 16 years and over | 12,114 |
| 18 years and over | 11,859 |
| 21 years and over | 11,255 |
| 62 years and over | 2,635 |
| 65 years and over | 2,022 |
| Total population | 14,840 |
| One race | 13,154 |
| White | 5,848 |
| Black or African American | 1,849 |
| American Indian and Alaska Native | 127 |
| Asian | 2,306 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 3,024 |
| Two or more races | 1,686 |
| Citizen, VOTING AGE 18 and over population | 9,444 |
| Male Citizen, VOTING AGE 18 and over population | 4,757 |
| Female Citizen, VOTING AGE 18 and over population | 4,687 |
Social characteristics in ZIP Code 20851
| Total households | 5,168 |
| Family households (families) | 2,101 |
| Married-couple family | 401 |
| Male householder, no wife present, family | 1,165 |
| Female householder, no husband present, family | 650 |
| Nonfamily households | 1,501 |
| Average household size | 1,553 |
| Average family size | 2.86 |
Economic characteristics in ZIP Code 20851
| Total households | 5,168 |
| Less than $10,000 | 138 |
| $10,000 to $14,999 | 40 |
| $15,000 to $24,999 | 161 |
| $25,000 to $34,999 | 236 |
| $35,000 to $49,999 | 918 |
| $50,000 to $74,999 | 637 |
| $75,000 to $99,999 | 473 |
| $100,000 to $149,999 | 1,112 |
| $150,000 to $199,999 | 747 |
| $200,000 or more | 706 |
| Median household income (dollars) | 97,318 |
Housing characteristics in ZIP Code 20851
| Total housing units | 5,307 |
| Occupied housing units | 5,168 |
| Vacant housing units | 139 |
| Total housing units | 5,307 |
| 1-unit, detached | 3,394 |
| 1-unit, attached | 279 |
| 2 units | 6 |
| 3 or 4 units | 72 |
| 5 to 9 units | 373 |
| 10 to 19 units | 680 |
| 20 or more units | 503 |
| Mobile home | 0 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 5,307 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 153 |
| Built 2000 to 2009 | 278 |
| Built 1990 to 1999 | 282 |
| Built 1980 to 1989 | 544 |
| Built 1970 to 1979 | 338 |
| Built 1960 to 1969 | 832 |
| Built 1950 to 1959 | 2,459 |
| Built 1940 to 1949 | 262 |
| Built 1939 or earlier | 159 |
| Total housing units | 5,307 |
| 1 room | 79 |
| 2 rooms | 167 |
| 3 rooms | 341 |
| 4 rooms | 939 |
| 5 rooms | 649 |
| 6 rooms | 1,037 |
| 7 rooms | 727 |
| 8 rooms | 761 |
| 9 rooms or more | 607 |
| Median rooms | 6.0 |
| Total housing units | 5,307 |
| No bedroom | 115 |
| 1 bedroom | 628 |
| 2 bedrooms | 942 |
| 3 bedrooms | 1,922 |
| 4 bedrooms | 1,445 |
| 5 or more bedrooms | 255 |
| Occupied housing units | 5,168 |
| Owner-occupied | 3,116 |
| Renter-occupied | 2,052 |
| Average household size of owner-occupied unit | 2.74 |
| Average household size of renter-occupied unit | 3.05 |
| Occupied housing units | 5,168 |
| Moved in 2017 or later | 653 |
| Moved in 2015 to 2016 | 1,266 |
| Moved in 2010 to 2014 | 725 |
| Moved in 2000 to 2009 | 1,130 |
| Moved in 1990 to 1999 | 682 |
| Moved in 1989 and earlier | 712 |
| Owner-occupied units | 3,116 |
| Less than $50,000 | 26 |
| $50,000 to $99,999 | 20 |
| $100,000 to $149,999 | 9 |
| $150,000 to $199,999 | 3 |
| $200,000 to $299,999 | 119 |
| $300,000 to $499,999 | 2,381 |
| $500,000 to $999,999 | 527 |
| $1,000,000 or more | 31 |
| Median (dollars) | 423,100 |
| Owner-occupied units | 3,116 |
| Housing units with a mortgage | 2,154 |
| Housing units without a mortgage | 962 |
| Occupied units paying rent | 2,040 |
| Less than $500 | 0 |
| $500 to $999 | 23 |
| $1,000 to $1,499 | 373 |
| $1,500 to $1,999 | 979 |
| $2,000 to $2,499 | 293 |
| $2,500 to $2,999 | 306 |
| $3,000 or more | 66 |
| Median (dollars) | 1,819 |
| No rent paid | 12 |
Data is based on 2021 Census