| Back to United States. City: Columbia, MD Population (2000): 37,519
Housing units: 14,704 Land area: 10.3 sq. mi. Water area: 0.1 sq. mi. White population: 22958 Black population: 9908 American Indian population: 104 Asian population: 2590 Native Hawaiian and Other Pacific Islander population: 20 Some other race population: 795 Two or more races population: 1144 Urban population: 37519 Rural population: 0 Median age: 34.4 Average household size: 2.60 Median household income (1999): $69069
 
Nearest zip codes: 21046, 21043, 21044, 20763, 20794, 21075.
Year house built:
- 1999 to March 2000: 99
- 1995 to 1998: 1367
- 1990 to 1994: 1310
- 1980 to 1989: 2713
- 1970 to 1979: 8107
- 1960 to 1969: 852
- 1950 to 1959: 163
- 1940 to 1949: 32
- 1939 or earlier: 53
Bedrooms in owner-occupied houses in Columbia, MD (21045):
- no bedroom: 7
- 1 bedrooms: 299
- 2 bedrooms: 711
- 3 bedrooms: 4592
- 4 bedrooms: 3831
- 5 or more bedrooms: 514
Bedrooms in renter-occupied apartments and housing units:
- no bedroom: 164
- 1 bedrooms: 1283
- 2 bedrooms: 1429
- 3 bedrooms: 1123
- 4 bedrooms: 293
- 5 or more bedrooms: 33
Vehicles available in 21045 zip code in owner-occupied houses:
- no vehicle: 189
- 1 vehicle: 2309
- 2 vehicles: 5176
- 3 vehicles: 1840
- 4 vehicles: 359
- 5 or more vehicles: 81
Vehicles available in renter-occupied housing units:
- no vehicle: 655
- 1 vehicle: 2087
- 2 vehicles: 1263
- 3 vehicles: 263
- 4 vehicles: 45
- 5 or more vehicles: 12
Estimate of home value of owner-occupied houses in 2000 in zip code 21045:
- Less than $10,000: 0
- $10,000 to $14,999: 0
- $15,000 to $19,999: 8
- $20,000 to $24,999: 14
- $25,000 to $29,999: 8
- $30,000 to $34,999: 0
- $35,000 to $39,999: 0
- $40,000 to $49,999: 9
- $50,000 to $59,999: 16
- $60,000 to $69,999: 19
- $70,000 to $79,999: 66
- $80,000 to $89,999: 168
- $90,000 to $99,999: 258
- $100,000 to $124,999: 1124
- $125,000 to $149,999: 1772
- $150,000 to $174,999: 2077
- $175,000 to $199,999: 1263
- $200,000 to $249,999: 1438
- $250,000 to $299,999: 520
- $300,000 to $399,999: 164
- $400,000 to $499,999: 0
- $500,000 to $749,999: 0
- $750,000 to $999,999: 0
- $1,000,000 or more: 8
First ancestries reported:
- Other groups: 12595
- German: 3637
- English: 2975
- Irish: 2577
- United States or American: 1477
- Italian: 1446
- Polish: 800
- Subsaharan African:: 769
- West Indian (excluding Hispanic groups):: 704
- Russian: 647
- Scottish: 490
- European: 470
- French (except Basque): 453
- Scotch-Irish: 401
- African: 379
- Jamaican: 310
- British: 306
- Haitian: 296
- Eastern European: 255
- Swedish: 252
- Arab:: 249
- Dutch: 248
- Norwegian: 240
- Ukrainian: 182
- French Canadian: 168
- Iranian: 158
- Hungarian: 147
- Slovak: 146
- Nigerian: 138
- Welsh: 118
- Egyptian: 118
- Greek: 109
- Swiss: 93
- Lithuanian: 78
- Danish: 77
- Czech: 77
- Liberian: 75
- Portuguese: 74
- Latvian: 66
- Ghanian: 65
- Lebanese: 51
- Belgian: 48
- Arab/Arabic: 48
- Scandinavian: 47
- Brazilian: 41
- Finnish: 41
- Canadian: 35
- West Indian: 35
- Sierra Leonean: 34
- Barbadian: 34
- Romanian: 32
- Kenyan: 29
- Israeli: 29
- Czechoslovakian: 29
- Guyanese: 28
- Turkish: 25
- Trinidadian and Tobagonian: 24
- Moroccan: 23
- Ugandan: 19
- Cape Verdean: 19
- Australian: 18
- Croatian: 15
- Icelander: 13
- Serbian: 13
- Austrian: 13
- Yugoslavian: 13
- Acadian/Cajun: 12
- Sudanese: 11
- Pennsylvania German: 11
- German Russian: 10
- Northern European: 9
- Armenian: 9
- Syrian: 9
- U.S. Virgin Islander: 5
- Albanian: 5
- Celtic: 3
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