ZIP Code 18104
| ZIP Code | 18104 |
| City | ALLENTOWN |
| State | PA |
| Type | STANDARD |
| Post offices count | 1 (see all) |
| Total population | 45,959 (see all) |
Cities in ZIP Code 18104
Primary city: ALLENTOWN, PAPost offices
ALLENTOWN AIRPORT — Post Office™ 1000 POSTAL RD SIDE ALLENTOWN, PA 18109-9998 MoreALLENTOWN AIRPORT — Post Office™1000 POSTAL RD SIDE For facility accessibility, please call the Post Office. 1-800-ASK-USPS® (800-275-8777) Hours
Services at this Location Service hours may vary.
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Census data for ZIP Code 18104
Demographic and housing estimates in ZIP Code 18104
| Total population | 45,959 |
| Male | 21,491 |
| Female | 24,468 |
| Total population | 45,959 |
| Under 5 years | 2,699 |
| 5 to 9 years | 2,328 |
| 10 to 14 years | 2,653 |
| 15 to 19 years | 3,617 |
| 20 to 24 years | 3,530 |
| 25 to 34 years | 5,715 |
| 35 to 44 years | 5,671 |
| 45 to 54 years | 4,977 |
| 55 to 59 years | 2,476 |
| 60 to 64 years | 2,905 |
| 65 to 74 years | 4,844 |
| 75 to 84 years | 2,563 |
| 85 years and over | 1,981 |
| Median age (years) | 38.7 |
| Under 18 years | 9,338 |
| 16 years and over | 37,813 |
| 18 years and over | 36,621 |
| 21 years and over | 33,976 |
| 62 years and over | 11,100 |
| 65 years and over | 9,388 |
| Total population | 45,959 |
| One race | 42,592 |
| White | 34,770 |
| Black or African American | 3,057 |
| American Indian and Alaska Native | 49 |
| Asian | 3,294 |
| Native Hawaiian and Other Pacific Islander | 24 |
| Some other race | 1,398 |
| Two or more races | 3,367 |
| Citizen, VOTING AGE 18 and over population | 34,751 |
| Male Citizen, VOTING AGE 18 and over population | 15,971 |
| Female Citizen, VOTING AGE 18 and over population | 18,780 |
Social characteristics in ZIP Code 18104
| Total households | 17,389 |
| Family households (families) | 8,185 |
| Married-couple family | 1,656 |
| Male householder, no wife present, family | 2,711 |
| Female householder, no husband present, family | 2,030 |
| Nonfamily households | 4,837 |
| Average household size | 6,084 |
| Average family size | 2.44 |
Economic characteristics in ZIP Code 18104
| Total households | 17,389 |
| Less than $10,000 | 718 |
| $10,000 to $14,999 | 353 |
| $15,000 to $24,999 | 1,200 |
| $25,000 to $34,999 | 1,167 |
| $35,000 to $49,999 | 1,950 |
| $50,000 to $74,999 | 3,021 |
| $75,000 to $99,999 | 2,473 |
| $100,000 to $149,999 | 3,354 |
| $150,000 to $199,999 | 1,707 |
| $200,000 or more | 1,446 |
| Median household income (dollars) | 76,972 |
Housing characteristics in ZIP Code 18104
| Total housing units | 18,072 |
| Occupied housing units | 17,389 |
| Vacant housing units | 683 |
| Total housing units | 18,072 |
| 1-unit, detached | 10,125 |
| 1-unit, attached | 3,988 |
| 2 units | 324 |
| 3 or 4 units | 455 |
| 5 to 9 units | 684 |
| 10 to 19 units | 1,009 |
| 20 or more units | 1,463 |
| Mobile home | 7 |
| Boat, RV, van, etc. | 17 |
| Total housing units | 18,072 |
| Built 2014 or later | 54 |
| Built 2010 to 2013 | 1,062 |
| Built 2000 to 2009 | 1,753 |
| Built 1990 to 1999 | 1,549 |
| Built 1980 to 1989 | 1,843 |
| Built 1970 to 1979 | 2,832 |
| Built 1960 to 1969 | 1,704 |
| Built 1950 to 1959 | 3,264 |
| Built 1940 to 1949 | 877 |
| Built 1939 or earlier | 3,134 |
| Total housing units | 18,072 |
| 1 room | 163 |
| 2 rooms | 416 |
| 3 rooms | 1,441 |
| 4 rooms | 2,091 |
| 5 rooms | 1,591 |
| 6 rooms | 3,983 |
| 7 rooms | 2,644 |
| 8 rooms | 2,475 |
| 9 rooms or more | 3,268 |
| Median rooms | 6.3 |
| Total housing units | 18,072 |
| No bedroom | 179 |
| 1 bedroom | 1,767 |
| 2 bedrooms | 3,434 |
| 3 bedrooms | 7,590 |
| 4 bedrooms | 4,309 |
| 5 or more bedrooms | 793 |
| Occupied housing units | 17,389 |
| Owner-occupied | 12,207 |
| Renter-occupied | 5,182 |
| Average household size of owner-occupied unit | 2.50 |
| Average household size of renter-occupied unit | 2.29 |
| Occupied housing units | 17,389 |
| Moved in 2017 or later | 1,849 |
| Moved in 2015 to 2016 | 4,765 |
| Moved in 2010 to 2014 | 2,317 |
| Moved in 2000 to 2009 | 3,543 |
| Moved in 1990 to 1999 | 2,154 |
| Moved in 1989 and earlier | 2,761 |
| Owner-occupied units | 12,207 |
| Less than $50,000 | 146 |
| $50,000 to $99,999 | 155 |
| $100,000 to $149,999 | 1,133 |
| $150,000 to $199,999 | 2,340 |
| $200,000 to $299,999 | 4,516 |
| $300,000 to $499,999 | 3,283 |
| $500,000 to $999,999 | 591 |
| $1,000,000 or more | 43 |
| Median (dollars) | 253,400 |
| Owner-occupied units | 12,207 |
| Housing units with a mortgage | 8,050 |
| Housing units without a mortgage | 4,157 |
| Occupied units paying rent | 4,983 |
| Less than $500 | 378 |
| $500 to $999 | 871 |
| $1,000 to $1,499 | 1,884 |
| $1,500 to $1,999 | 1,288 |
| $2,000 to $2,499 | 187 |
| $2,500 to $2,999 | 132 |
| $3,000 or more | 243 |
| Median (dollars) | 1,348 |
| No rent paid | 199 |
Data is based on 2021 Census