| Back to United States. City: St. Marys, PA Population (2000): 14,568
Housing units: 6,122 Land area: 99.8 sq. mi. Water area: 0.2 sq. mi. White population: 14387 Black population: 33 American Indian population: 11 Asian population: 61 Native Hawaiian and Other Pacific Islander population: 13 Some other race population: 18 Two or more races population: 45 Urban population: 10613 Rural population: 3955 Median age: 39.5 Average household size: 2.48 Median household income (1999): $41632
 
Nearest zip codes: 15846, 15827, 15845, 15870, 15841, 15868.
Year house built:
- 1999 to March 2000: 58
- 1995 to 1998: 313
- 1990 to 1994: 340
- 1980 to 1989: 772
- 1970 to 1979: 650
- 1960 to 1969: 614
- 1950 to 1959: 1033
- 1940 to 1949: 674
- 1939 or earlier: 1658
Bedrooms in owner-occupied houses in St. Marys, PA (15857):
- no bedroom: 0
- 1 bedrooms: 99
- 2 bedrooms: 702
- 3 bedrooms: 2823
- 4 bedrooms: 704
- 5 or more bedrooms: 119
Bedrooms in renter-occupied apartments and housing units:
- no bedroom: 44
- 1 bedrooms: 344
- 2 bedrooms: 471
- 3 bedrooms: 336
- 4 bedrooms: 83
- 5 or more bedrooms: 18
Vehicles available in 15857 zip code in owner-occupied houses:
- no vehicle: 177
- 1 vehicle: 1360
- 2 vehicles: 2226
- 3 vehicles: 476
- 4 vehicles: 167
- 5 or more vehicles: 41
Vehicles available in renter-occupied housing units:
- no vehicle: 273
- 1 vehicle: 611
- 2 vehicles: 380
- 3 vehicles: 24
- 4 vehicles: 8
- 5 or more vehicles: 0
Estimate of home value of owner-occupied houses in 2000 in zip code 15857:
- Less than $10,000: 0
- $10,000 to $14,999: 0
- $15,000 to $19,999: 0
- $20,000 to $24,999: 13
- $25,000 to $29,999: 5
- $30,000 to $34,999: 15
- $35,000 to $39,999: 44
- $40,000 to $49,999: 164
- $50,000 to $59,999: 274
- $60,000 to $69,999: 357
- $70,000 to $79,999: 473
- $80,000 to $89,999: 700
- $90,000 to $99,999: 469
- $100,000 to $124,999: 534
- $125,000 to $149,999: 321
- $150,000 to $174,999: 218
- $175,000 to $199,999: 99
- $200,000 to $249,999: 103
- $250,000 to $299,999: 29
- $300,000 to $399,999: 20
- $400,000 to $499,999: 0
- $500,000 to $749,999: 7
- $750,000 to $999,999: 0
- $1,000,000 or more: 0
First ancestries reported:
- German: 6893
- Italian: 1421
- Irish: 669
- United States or American: 584
- English: 379
- Polish: 347
- Swedish: 326
- Other groups: 318
- French (except Basque): 149
- Scotch-Irish: 112
- Slovak: 81
- Dutch: 81
- Czech: 72
- Austrian: 71
- Scottish: 57
- Czechoslovakian: 54
- Slovene: 48
- Hungarian: 39
- Croatian: 36
- Ukrainian: 33
- Lithuanian: 26
- Norwegian: 25
- Slavic: 25
- British: 17
- Swiss: 17
- Pennsylvania German: 17
- Portuguese: 13
- European: 11
- French Canadian: 9
- Arab:: 9
- Lebanese: 9
- Danish: 7
- Russian: 6
- Greek: 4
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