| Back to United States. City: Bethlehem, PA Population (2000): 18,680
Housing units: 6,829 Land area: 13.5 sq. mi. Water area: 0.0 sq. mi. White population: 17518 Black population: 400 American Indian population: 10 Asian population: 370 Native Hawaiian and Other Pacific Islander population: 1 Some other race population: 221 Two or more races population: 160 Urban population: 17931 Rural population: 749 Median age: 40.0 Average household size: 2.71 Median household income (1999): $60496
 
Nearest zip codes: 18017, 18018, 18045, 18055, 18015, 18064.
Year house built:
- 1999 to March 2000: 186
- 1995 to 1998: 613
- 1990 to 1994: 867
- 1980 to 1989: 1836
- 1970 to 1979: 1361
- 1960 to 1969: 758
- 1950 to 1959: 492
- 1940 to 1949: 246
- 1939 or earlier: 491
Bedrooms in owner-occupied houses in Bethlehem, PA (18020):
- no bedroom: 9
- 1 bedrooms: 25
- 2 bedrooms: 647
- 3 bedrooms: 2911
- 4 bedrooms: 1953
- 5 or more bedrooms: 204
Bedrooms in renter-occupied apartments and housing units:
- no bedroom: 121
- 1 bedrooms: 145
- 2 bedrooms: 343
- 3 bedrooms: 242
- 4 bedrooms: 27
- 5 or more bedrooms: 17
Vehicles available in 18020 zip code in owner-occupied houses:
- no vehicle: 116
- 1 vehicle: 1246
- 2 vehicles: 2689
- 3 vehicles: 1238
- 4 vehicles: 310
- 5 or more vehicles: 150
Vehicles available in renter-occupied housing units:
- no vehicle: 196
- 1 vehicle: 399
- 2 vehicles: 255
- 3 vehicles: 28
- 4 vehicles: 17
- 5 or more vehicles: 0
Estimate of home value of owner-occupied houses in 2000 in zip code 18020:
- Less than $10,000: 0
- $10,000 to $14,999: 0
- $15,000 to $19,999: 7
- $20,000 to $24,999: 0
- $25,000 to $29,999: 11
- $30,000 to $34,999: 0
- $35,000 to $39,999: 7
- $40,000 to $49,999: 7
- $50,000 to $59,999: 31
- $60,000 to $69,999: 39
- $70,000 to $79,999: 118
- $80,000 to $89,999: 206
- $90,000 to $99,999: 339
- $100,000 to $124,999: 1218
- $125,000 to $149,999: 1260
- $150,000 to $174,999: 745
- $175,000 to $199,999: 514
- $200,000 to $249,999: 640
- $250,000 to $299,999: 165
- $300,000 to $399,999: 91
- $400,000 to $499,999: 6
- $500,000 to $749,999: 19
- $750,000 to $999,999: 0
- $1,000,000 or more: 0
First ancestries reported:
- German: 3700
- Italian: 2563
- Other groups: 1529
- Irish: 1505
- English: 930
- Polish: 928
- Hungarian: 758
- United States or American: 653
- Slovak: 579
- Pennsylvania German: 351
- Dutch: 290
- Greek: 190
- Portuguese: 175
- Ukrainian: 162
- Welsh: 154
- Scottish: 151
- French (except Basque): 150
- Russian: 150
- Norwegian: 121
- Austrian: 109
- European: 96
- Arab:: 83
- Scotch-Irish: 81
- Lithuanian: 73
- Iranian: 65
- Slavic: 58
- Syrian: 49
- Czech: 48
- Czechoslovakian: 48
- British: 47
- French Canadian: 46
- Swedish: 43
- Slovene: 43
- Croatian: 31
- Canadian: 29
- Scandinavian: 29
- Yugoslavian: 26
- Turkish: 26
- Lebanese: 24
- Swiss: 20
- Danish: 19
- Eastern European: 18
- Brazilian: 11
- Egyptian: 10
- Guyanese: 8
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