| Back to United States. City: Jarrettsville, MD Population (2000): 7,467
Housing units: 2,522 Land area: 25.4 sq. mi. Water area: 0.0 sq. mi. White population: 7246 Black population: 91 American Indian population: 19 Asian population: 39 Native Hawaiian and Other Pacific Islander population: 0 Some other race population: 13 Two or more races population: 59 Urban population: 1625 Rural population: 5842 Median age: 40.0 Average household size: 3.00 Median household income (1999): $67869
 
Nearest zip codes: 21050, 21132, 21047, 21013, 21154, 21161.
Year house built:
- 1999 to March 2000: 52
- 1995 to 1998: 133
- 1990 to 1994: 172
- 1980 to 1989: 611
- 1970 to 1979: 815
- 1960 to 1969: 340
- 1950 to 1959: 133
- 1940 to 1949: 111
- 1939 or earlier: 207
Bedrooms in owner-occupied houses in Jarrettsville, MD (21084):
- no bedroom: 0
- 1 bedrooms: 0
- 2 bedrooms: 94
- 3 bedrooms: 1201
- 4 bedrooms: 821
- 5 or more bedrooms: 193
Bedrooms in renter-occupied apartments and housing units:
- no bedroom: 0
- 1 bedrooms: 9
- 2 bedrooms: 45
- 3 bedrooms: 97
- 4 bedrooms: 43
- 5 or more bedrooms: 0
Vehicles available in 21084 zip code in owner-occupied houses:
- no vehicle: 65
- 1 vehicle: 294
- 2 vehicles: 966
- 3 vehicles: 641
- 4 vehicles: 226
- 5 or more vehicles: 117
Vehicles available in renter-occupied housing units:
- no vehicle: 0
- 1 vehicle: 83
- 2 vehicles: 55
- 3 vehicles: 37
- 4 vehicles: 7
- 5 or more vehicles: 12
Estimate of home value of owner-occupied houses in 2000 in zip code 21084:
- 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: 17
- $70,000 to $79,999: 8
- $80,000 to $89,999: 44
- $90,000 to $99,999: 50
- $100,000 to $124,999: 58
- $125,000 to $149,999: 214
- $150,000 to $174,999: 457
- $175,000 to $199,999: 330
- $200,000 to $249,999: 409
- $250,000 to $299,999: 227
- $300,000 to $399,999: 165
- $400,000 to $499,999: 47
- $500,000 to $749,999: 20
- $750,000 to $999,999: 0
- $1,000,000 or more: 0
First ancestries reported:
- German: 1405
- English: 902
- Irish: 785
- Italian: 642
- United States or American: 617
- Polish: 437
- Other groups: 262
- French (except Basque): 104
- Ukrainian: 94
- Northern European: 79
- Scotch-Irish: 77
- Scottish: 62
- Russian: 61
- Swiss: 61
- European: 40
- Scandinavian: 34
- Welsh: 34
- Swedish: 33
- Dutch: 32
- Hungarian: 18
- Danish: 16
- Greek: 16
- Lithuanian: 15
- French Canadian: 9
- Pennsylvania German: 9
- Austrian: 8
- Czech: 7
- Norwegian: 7
- Canadian: 6
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