| Back to United States. City: Westminster, MD Population (2000): 34,512
Housing units: 13,048 Land area: 78.8 sq. mi. Water area: 0.0 sq. mi. White population: 32636 Black population: 1109 American Indian population: 92 Asian population: 279 Native Hawaiian and Other Pacific Islander population: 10 Some other race population: 136 Two or more races population: 250 Urban population: 22500 Rural population: 12012 Median age: 37.7 Average household size: 2.61 Median household income (1999): $52407
 
Nearest zip codes: 21158, 21048, 21776, 21074, 21155, 21784.
Year house built:
- 1999 to March 2000: 233
- 1995 to 1998: 855
- 1990 to 1994: 1255
- 1980 to 1989: 2401
- 1970 to 1979: 2825
- 1960 to 1969: 1427
- 1950 to 1959: 1152
- 1940 to 1949: 791
- 1939 or earlier: 2139
Bedrooms in owner-occupied houses in Westminster, MD (21157):
- no bedroom: 0
- 1 bedrooms: 127
- 2 bedrooms: 1118
- 3 bedrooms: 4951
- 4 bedrooms: 2569
- 5 or more bedrooms: 381
Bedrooms in renter-occupied apartments and housing units:
- no bedroom: 113
- 1 bedrooms: 1167
- 2 bedrooms: 1231
- 3 bedrooms: 717
- 4 bedrooms: 164
- 5 or more bedrooms: 43
Vehicles available in 21157 zip code in owner-occupied houses:
- no vehicle: 288
- 1 vehicle: 1742
- 2 vehicles: 4210
- 3 vehicles: 2102
- 4 vehicles: 532
- 5 or more vehicles: 272
Vehicles available in renter-occupied housing units:
- no vehicle: 663
- 1 vehicle: 1624
- 2 vehicles: 884
- 3 vehicles: 195
- 4 vehicles: 51
- 5 or more vehicles: 18
Estimate of home value of owner-occupied houses in 2000 in zip code 21157:
- Less than $10,000: 0
- $10,000 to $14,999: 13
- $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: 6
- $50,000 to $59,999: 19
- $60,000 to $69,999: 34
- $70,000 to $79,999: 126
- $80,000 to $89,999: 140
- $90,000 to $99,999: 478
- $100,000 to $124,999: 858
- $125,000 to $149,999: 1840
- $150,000 to $174,999: 1637
- $175,000 to $199,999: 1113
- $200,000 to $249,999: 1108
- $250,000 to $299,999: 549
- $300,000 to $399,999: 214
- $400,000 to $499,999: 28
- $500,000 to $749,999: 8
- $750,000 to $999,999: 0
- $1,000,000 or more: 0
First ancestries reported:
- German: 8083
- Irish: 3322
- English: 2766
- United States or American: 2497
- Other groups: 2133
- Italian: 1757
- Polish: 1107
- Scottish: 476
- French (except Basque): 437
- Scotch-Irish: 330
- Russian: 283
- European: 267
- British: 210
- French Canadian: 209
- Dutch: 193
- Greek: 166
- Norwegian: 139
- Swedish: 130
- Welsh: 118
- Swiss: 114
- Lithuanian: 98
- Arab:: 88
- Armenian: 81
- Czech: 77
- Lebanese: 72
- Subsaharan African:: 62
- Hungarian: 55
- African: 47
- Portuguese: 38
- Austrian: 37
- Pennsylvania German: 32
- West Indian (excluding Hispanic groups):: 31
- Ukrainian: 31
- Croatian: 30
- Slovak: 30
- Czechoslovakian: 25
- Canadian: 18
- Romanian: 17
- Bulgarian: 13
- West Indian: 12
- Latvian: 12
- Jamaican: 11
- Maltese: 11
- Turkish: 10
- Syrian: 10
- Serbian: 9
- Ghanian: 9
- Trinidadian and Tobagonian: 8
- Northern European: 8
- Guyanese: 7
- Finnish: 7
- Eastern European: 7
- Danish: 7
- Palestinian: 6
- Ethiopian: 6
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