| Back to United States. City: Clarksburg, MD Population (2000): 2,762
Housing units: 1,002 Land area: 21.3 sq. mi. Water area: 0.0 sq. mi. White population: 2514 Black population: 127 American Indian population: 1 Asian population: 52 Native Hawaiian and Other Pacific Islander population: 0 Some other race population: 29 Two or more races population: 39 Urban population: 518 Rural population: 2244 Median age: 40.9 Average household size: 2.79 Median household income (1999): $91368
 
Nearest zip codes: 20872, 20841, 21754, 20876, 20874, 20838.
Year house built:
- 1999 to March 2000: 21
- 1995 to 1998: 25
- 1990 to 1994: 29
- 1980 to 1989: 93
- 1970 to 1979: 325
- 1960 to 1969: 249
- 1950 to 1959: 99
- 1940 to 1949: 55
- 1939 or earlier: 90
Bedrooms in owner-occupied houses in Clarksburg, MD (20871):
- no bedroom: 0
- 1 bedrooms: 7
- 2 bedrooms: 96
- 3 bedrooms: 330
- 4 bedrooms: 334
- 5 or more bedrooms: 103
Bedrooms in renter-occupied apartments and housing units:
- no bedroom: 0
- 1 bedrooms: 0
- 2 bedrooms: 23
- 3 bedrooms: 65
- 4 bedrooms: 19
- 5 or more bedrooms: 0
Vehicles available in 20871 zip code in owner-occupied houses:
- no vehicle: 16
- 1 vehicle: 147
- 2 vehicles: 370
- 3 vehicles: 253
- 4 vehicles: 50
- 5 or more vehicles: 34
Vehicles available in renter-occupied housing units:
- no vehicle: 0
- 1 vehicle: 44
- 2 vehicles: 28
- 3 vehicles: 22
- 4 vehicles: 0
- 5 or more vehicles: 13
Estimate of home value of owner-occupied houses in 2000 in zip code 20871:
- Less than $10,000: 0
- $10,000 to $14,999: 0
- $15,000 to $19,999: 0
- $20,000 to $24,999: 0
- $25,000 to $29,999: 0
- $30,000 to $34,999: 0
- $35,000 to $39,999: 0
- $40,000 to $49,999: 0
- $50,000 to $59,999: 0
- $60,000 to $69,999: 0
- $70,000 to $79,999: 6
- $80,000 to $89,999: 0
- $90,000 to $99,999: 0
- $100,000 to $124,999: 6
- $125,000 to $149,999: 55
- $150,000 to $174,999: 103
- $175,000 to $199,999: 179
- $200,000 to $249,999: 203
- $250,000 to $299,999: 50
- $300,000 to $399,999: 82
- $400,000 to $499,999: 50
- $500,000 to $749,999: 7
- $750,000 to $999,999: 0
- $1,000,000 or more: 13
First ancestries reported:
- Irish: 416
- English: 381
- German: 380
- Other groups: 265
- United States or American: 193
- Italian: 123
- European: 92
- Dutch: 72
- Russian: 51
- Polish: 46
- French (except Basque): 41
- Swedish: 26
- Swiss: 25
- Scotch-Irish: 24
- Austrian: 19
- Norwegian: 19
- Slovene: 18
- Welsh: 17
- Ukrainian: 15
- Scottish: 14
- Finnish: 12
- Estonian: 12
- Greek: 9
- Subsaharan African:: 8
- African: 8
- Yugoslavian: 7
- Belgian: 7
- British: 6
- Celtic: 5
- Czechoslovakian: 5
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