| Back to United States. Population (2000): 4,144
Housing units: 1,523 Land area: 16.1 sq. mi. Water area: 0.0 sq. mi. White population: 3722 Black population: 271 American Indian population: 0 Asian population: 90 Native Hawaiian and Other Pacific Islander population: 0 Some other race population: 18 Two or more races population: 43 Urban population: 1046 Rural population: 3098 Median age: 43.4 Average household size: 2.57 Median household income (1999): $71950
 
Nearest zip codes: 21082, 21051, 21013, 21236, 21128, 21234.
Year house built:
- 1999 to March 2000: 6
- 1995 to 1998: 33
- 1990 to 1994: 105
- 1980 to 1989: 221
- 1970 to 1979: 326
- 1960 to 1969: 273
- 1950 to 1959: 164
- 1940 to 1949: 122
- 1939 or earlier: 227
Bedrooms in owner-occupied houses in 21057:
- no bedroom: 0
- 1 bedrooms: 53
- 2 bedrooms: 155
- 3 bedrooms: 412
- 4 bedrooms: 377
- 5 or more bedrooms: 214
Bedrooms in renter-occupied apartments and housing units:
- no bedroom: 12
- 1 bedrooms: 80
- 2 bedrooms: 82
- 3 bedrooms: 40
- 4 bedrooms: 26
- 5 or more bedrooms: 0
Vehicles available in 21057 zip code in owner-occupied houses:
- no vehicle: 61
- 1 vehicle: 143
- 2 vehicles: 637
- 3 vehicles: 238
- 4 vehicles: 75
- 5 or more vehicles: 57
Vehicles available in renter-occupied housing units:
- no vehicle: 96
- 1 vehicle: 63
- 2 vehicles: 66
- 3 vehicles: 15
- 4 vehicles: 0
- 5 or more vehicles: 0
Estimate of home value of owner-occupied houses in 2000 in zip code 21057:
- 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: 8
- $35,000 to $39,999: 0
- $40,000 to $49,999: 0
- $50,000 to $59,999: 0
- $60,000 to $69,999: 8
- $70,000 to $79,999: 7
- $80,000 to $89,999: 7
- $90,000 to $99,999: 0
- $100,000 to $124,999: 25
- $125,000 to $149,999: 35
- $150,000 to $174,999: 89
- $175,000 to $199,999: 147
- $200,000 to $249,999: 195
- $250,000 to $299,999: 159
- $300,000 to $399,999: 212
- $400,000 to $499,999: 72
- $500,000 to $749,999: 32
- $750,000 to $999,999: 5
- $1,000,000 or more: 0
First ancestries reported:
- German: 937
- English: 409
- Irish: 401
- Other groups: 338
- Italian: 277
- United States or American: 205
- Polish: 134
- Scotch-Irish: 97
- Greek: 78
- French (except Basque): 61
- French Canadian: 50
- Russian: 49
- Scottish: 45
- Swedish: 44
- Czech: 39
- Norwegian: 28
- British: 22
- European: 14
- Ukrainian: 11
- Arab:: 10
- Hungarian: 10
- Arab/Arabic: 10
- Iranian: 9
- Welsh: 9
- Finnish: 7
- West Indian (excluding Hispanic groups):: 7
- Bermudan: 7
- Eastern European: 6
- Dutch: 5
- Turkish: 3
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