18103 ZIP Code
Allentown, Pennsylvania
January 19, 2026
| ZIP Code: | 18103 |
| City/Town: | Allentown |
| County: | Lehigh |
| State: | Pennsylvania |
| ZIP Type: | Standard |
| Population: | 48,344 |
| Median Household Income: | $70,069 |
| Per Capita Income: | $36,675 |
| Total Housing Units: | 19,931 |
| Median Home Value: | $226,000 |
| Land Area: | 17.2 sq miles
44.4 sq km |
| Water Area: | 0.1 sq miles
0.3 sq km |
| Coordinates: | 40.5703, -75.4889 |
Population Information (18103 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total Population: | 48,344 | -- | -- |
| Male: | 24,420 | 50.5% | 49.6% |
| Female: | 23,924 | 49.5% | 50.4% |
| Median Age: | 38.2 yrs | -- | 38.5 yrs |
| Under 5 years: | 3,271 | 6.8% | 5.7% |
| 5 to 9 years: | 2,634 | 5.4% | 6.0% |
| 10 to 14 years: | 2,656 | 5.5% | 6.5% |
| 15 to 19 years: | 3,193 | 6.6% | 6.6% |
| 20 to 24 years: | 3,045 | 6.3% | 6.7% |
| 25 to 34 years: | 7,338 | 15.2% | 13.7% |
| 35 to 44 years: | 5,593 | 11.6% | 12.9% |
| 45 to 54 years: | 5,312 | 11.0% | 12.4% |
| 55 to 59 years: | 3,846 | 8.0% | 6.5% |
| 60 to 64 years: | 3,299 | 6.8% | 6.4% |
| 65 to 74 years: | 4,606 | 9.5% | 9.7% |
| 75 to 84 years: | 2,303 | 4.8% | 4.8% |
| 85 years and over: | 1,248 | 2.6% | 2.0% |
Housing Information (18103 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Median home value: | $226,000 | -- | $281,900 |
| Median rooms: | 5.8 | -- | 5.5 |
| Median rent: | $1,269 / mo. | -- | $1,268 / mo. |
| Total housing units: | 19,931 | -- | -- |
| Occupied housing units: | 18,799 | 94.3% | 38.0% |
| Vacant housing units: | 1,132 | 5.7% | 4.6% |
| Housing tenure: | -- | -- | -- |
| Owner-occupied: | 11,408 | 60.7% | 64.8% |
| Renter-occupied: | 7,391 | 39.3% | 35.2% |
Educational Attainment (18103 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Population 25 years and over: | 33,545 | -- | -- |
| Less than 9th grade: | 1,739 | 5.2% | 4.7% |
| 9th to 12th grade, no diploma: | 1,997 | 6.0% | 6.1% |
| High school graduate: | 11,882 | 35.4% | 26.4% |
| Some college, no degree: | 6,304 | 18.8% | 19.7% |
| Associate degree: | 2,820 | 8.4% | 8.7% |
| Bachelor's degree: | 5,808 | 17.3% | 20.9% |
| Graduate or professional degree: | 2,995 | 8.9% | 13.7% |
| Percent high school graduate or higher: | -- | 88.9% | 89.1% |
| Percent bachelor's degree or higher: | -- | 26.2% | 34.3% |
Income Information (18103 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median household income: | $70,069 / yr. | $75,149 / yr. |
| Mean household income: | $95,166 / yr. | $105,833 / yr. |
| Median family income: | $85,009 / yr. | $92,646 / yr. |
| Per capita income: | $36,675 / yr. | $41,261 / yr. |
Employment (18103 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| In labor force: | 26,151 | -- | 63.5% |
| Employed: | 24,546 | 93.9% | 96.4% |
| Unemployed: | 1,591 | 6.1% | 5.3% |
| Not in labor force: | 13,072 | -- | -- |
| Class of Worker: | -- | -- | -- |
| Private wage and salary: | 21,803 | 88.8% | 79.7% |
| Government workers: | 1,677 | 6.8% | 14.2% |
| Self-employed: | 1,021 | 4.2% | 5.9% |
| Unpaid family workers: | 45 | 0.2% | 0.1% |
Race & Ethnicity (18103 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Race (one race): | -- | -- | -- |
| White: | 28,602 | 59.2% | 61.6% |
| Black or African American: | 4,449 | 9.2% | 12.4% |
| American Indian/Alaska Native: | 543 | 1.1% | 1.1% |
| Asian: | 1,440 | 3.0% | 6.0% |
| Native Hawaiian/Pacific Islander: | 0 | 0.0% | 0.2% |
| Some other race: | 5,954 | 12.3% | 8.4% |
| Two or more races: | 7,356 | 15.2% | 10.2% |
| Hispanic or Latino (any race): | 11,266 | 23.3% | 18.7% |
| Mexican: | 18,530 | 38.3% | 11.2% |
| Puerto Rican: | 1,618 | 3.3% | 1.8% |
| Cuban: | 7,153 | 14.8% | 0.7% |
| Other Hispanic or Latino: | 340 | 0.7% | 5.0% |
| Not Hispanic or Latino: | 9,419 | 19.5% | 81.1% |
Income Distribution (18103 zip code)
| Household Income | Households | Percent% | US AvgUS |
|---|---|---|---|
| Less than $10,000: | 595 | 3.2% | 4.9% |
| $10,000 to $14,999: | 598 | 3.2% | 3.8% |
| $15,000 to $24,999: | 1,487 | 7.9% | 7.0% |
| $25,000 to $34,999: | 1,291 | 6.9% | 7.4% |
| $35,000 to $49,999: | 2,426 | 12.9% | 10.7% |
| $50,000 to $74,999: | 3,811 | 20.3% | 16.1% |
| $75,000 to $99,999: | 2,306 | 12.3% | 12.8% |
| $100,000 to $149,999: | 3,146 | 16.7% | 17.1% |
| $150,000 to $199,999: | 1,720 | 9.1% | 8.8% |
| $200,000 or more: | 1,419 | 7.5% | 11.4% |
Commute to Work (18103 zip code)
| Commute Method | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Drove alone: | 18,593 | 75.7% | 67.8% |
| Carpooled: | 2,654 | 10.8% | 8.7% |
| Public transportation: | 285 | 1.2% | 4.2% |
| Walked: | 508 | 2.1% | 2.5% |
| Other means: | 347 | 1.4% | 0.9% |
| Worked from home: | 1,768 | 7.2% | 13.8% |
| Mean travel time to work: | 24.1 min | -- | 26.7 min |
Industry (18103 zip code)
| Industry Sector | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Agriculture, forestry, fishing, mining: | 36 | 0.1% | 1.6% |
| Construction: | 1,168 | 4.8% | 6.9% |
| Manufacturing: | 3,845 | 15.7% | 10.0% |
| Wholesale trade: | 789 | 3.2% | 2.4% |
| Retail trade: | 3,186 | 13.0% | 11.0% |
| Transportation, warehousing, utilities: | 2,416 | 9.8% | 5.8% |
| Information: | 476 | 1.9% | 1.9% |
| Finance, insurance, real estate: | 927 | 3.8% | 6.7% |
| Professional, scientific, management: | 2,543 | 10.4% | 12.1% |
| Education, health care, social services: | 5,650 | 23.0% | 23.3% |
| Arts, entertainment, food services: | 1,825 | 7.4% | 9.0% |
| Other services: | 1,083 | 4.4% | 4.7% |
| Public administration: | 602 | 2.5% | 4.7% |
Poverty Status (18103 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Poverty Rate: | -- | 11.8% | 8.8% |
| All people below poverty level: | -- | -- | -- |
| Under 18 years: | -- | -- | 16.3% |
| 18 to 64 years: | -- | -- | 11.0% |
| 65 years and over: | -- | -- | 10.3% |
Health Insurance (18103 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| With health insurance: | 43,542 | 90.1% | 91.3% |
| Private health insurance: | 30,556 | 63.2% | 67.6% |
| Public health coverage: | 18,896 | 39.1% | 35.9% |
| Without health insurance: | 4,495 | 9.3% | 8.7% |
Benefits & Assistance (18103 zip code)
| Households with: | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Earnings: | 14,834 | 78.9% | 77.4% |
| Social Security income: | 6,389 | 34.0% | 31.0% |
| Retirement income: | 4,909 | 26.1% | 21.8% |
| Supplemental Security Income (SSI): | 1,154 | 6.1% | 4.5% |
| Cash public assistance income: | 855 | 4.5% | 1.8% |
| SNAP (food stamps) benefits: | 2,764 | 14.7% | 11.4% |
Housing Types (18103 zip code)
| Structure Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| 1-unit, detached: | 9,838 | 49.4% | 61.4% |
| 1-unit, attached: | 4,755 | 23.9% | 6.1% |
| 2 units: | 212 | 1.1% | 3.4% |
| 3 or 4 units: | 1,229 | 6.2% | 4.3% |
| 5 to 9 units: | 1,246 | 6.3% | 4.6% |
| 10 to 19 units: | 1,388 | 7.0% | 4.3% |
| 20 or more units: | 1,195 | 6.0% | 9.9% |
| Mobile home: | 68 | 0.3% | 5.8% |
| Boat, RV, van, etc.: | 0 | 0.0% | 0.1% |
Year Structure Built (18103 zip code)
| Year Built | Units | Percent% | US AvgUS |
|---|---|---|---|
| Built 2020 or later: | 22 | 0.1% | 0.6% |
| Built 2010 to 2019: | 282 | 1.4% | 8.2% |
| Built 2000 to 2009: | 879 | 4.4% | 13.5% |
| Built 1990 to 1999: | 1,130 | 5.7% | 13.2% |
| Built 1980 to 1989: | 2,437 | 12.2% | 13.2% |
| Built 1970 to 1979: | 2,855 | 14.3% | 14.6% |
| Built 1960 to 1969: | 3,346 | 16.8% | 10.2% |
| Built 1950 to 1959: | 4,089 | 20.5% | 9.9% |
| Built 1940 to 1949: | 1,612 | 8.1% | 4.6% |
| Built 1939 or earlier: | 3,279 | 16.5% | 12.0% |
Bedrooms (18103 zip code)
| Number of Bedrooms | Units | Percent% | US AvgUS |
|---|---|---|---|
| No bedroom (studio): | 525 | 2.6% | 2.4% |
| 1 bedroom: | 2,782 | 14.0% | 3.0% |
| 2 bedrooms: | 3,790 | 19.0% | 9.1% |
| 3 bedrooms: | 8,620 | 43.2% | 15.9% |
| 4 bedrooms: | 3,407 | 17.1% | 18.8% |
| 5 or more bedrooms: | 807 | 4.0% | 17.6% |
Heating Fuel (18103 zip code)
| Fuel Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| Utility gas: | 5,936 | 31.6% | 47.1% |
| Bottled, tank, or LP gas: | 205 | 1.1% | 4.9% |
| Electricity: | 8,356 | 44.4% | 40.2% |
| Fuel oil, kerosene, etc.: | 4,039 | 21.5% | 4.2% |
| Coal or coke: | 34 | 0.2% | 0.1% |
| Wood: | 107 | 0.6% | 1.5% |
| Solar energy: | 28 | 0.1% | 0.1% |
| Other fuel: | 69 | 0.4% | 0.5% |
| No fuel used: | 25 | 0.1% | 0.2% |
Vehicles Available (18103 zip code)
| Vehicles | Households | Percent% | US AvgUS |
|---|---|---|---|
| No vehicle available: | 1,418 | 7.5% | 8.3% |
| 1 vehicle available: | 6,697 | 35.6% | 32.6% |
| 2 vehicles available: | 7,184 | 38.2% | 37.0% |
| 3 or more vehicles available: | 3,500 | 18.6% | 22.1% |
Home Value Distribution (18103 zip code)
| Value Range | Owner Units | Percent% | US AvgUS |
|---|---|---|---|
| Less than $50,000: | 334 | 2.9% | 5.7% |
| $50,000 to $99,999: | 389 | 3.4% | 7.8% |
| $100,000 to $149,999: | 1,817 | 15.9% | 9.2% |
| $150,000 to $199,999: | 2,137 | 18.7% | 10.8% |
| $200,000 to $299,999: | 3,263 | 28.6% | 19.9% |
| $300,000 to $499,999: | 2,733 | 24.0% | 24.1% |
| $500,000 to $999,999: | 714 | 6.3% | 17.0% |
| $1,000,000 or more: | 21 | 0.2% | 5.6% |
Housing Costs (18103 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median owner costs (with mortgage): | $1,638 / mo. | $1,828 / mo. |
| Median owner costs (no mortgage): | $679 / mo. | $584 / mo. |
| Median gross rent: | $1,269 / mo. | $1,268 / mo. |
| Average household size (owner-occupied): | 2.54 | 2.53 |
| Average household size (renter-occupied): | 2.52 | 2.38 |
Households (18103 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total households: | 18,799 | -- | -- |
| Married-couple households: | 9,227 | 49.1% | 47.5% |
| Cohabiting couple households: | 3,204 | 17.0% | 7.0% |
| Male householder, no spouse: | 3,505 | 18.6% | 5.4% |
| Female householder, no spouse: | 4,352 | 23.2% | 12.7% |
| Householder living alone: | 5,765 | 30.7% | 28.6% |
| 65 years and over living alone: | 5,772 | 30.7% | 11.8% |
| Average household size: | 2.53 | -- | 2.53 |
| Average family size: | 3.08 | -- | -- |
Marital Status (18103 zip code)
| Population 15 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 19,984 | -- | -- |
| Never married: | 7,456 | 37.3% | 37.0% |
| Now married: | 9,866 | 49.4% | 49.5% |
| Separated: | 660 | 3.3% | 1.5% |
| Widowed: | 1,569 | 7.9% | 2.6% |
| Divorced: | 5,966 | 29.9% | 9.3% |
School Enrollment (18103 zip code)
| Population 3 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Enrolled in school: | 9,839 | -- | -- |
| Nursery school, preschool: | 543 | 5.5% | 5.8% |
| Kindergarten: | 646 | 6.6% | 5.0% |
| Elementary school (grades 1-8): | 4,113 | 41.8% | 40.5% |
| High school (grades 9-12): | 2,304 | 23.4% | 21.4% |
| College or graduate school: | 2,233 | 22.7% | 27.3% |
Veterans & Disability (18103 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Civilian population 18 years and over: | 38,033 | -- | -- |
| Veterans: | 2,439 | 6.4% | 6.3% |
| Civilian noninstitutionalized population: | 48,037 | -- | -- |
| With a disability: | 6,645 | 13.8% | 13.4% |
| Under 18 with disability: | 951 | 14.3% | 5.8% |
| 18 to 64 with disability: | 3,273 | 49.3% | 10.4% |
| 65 and over with disability: | 2,421 | 36.4% | 33.4% |
Mobility (Residence 1 Year Ago) (18103 zip code)
| Population 1 year and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Same house: | 41,462 | 85.8% | 86.9% |
| Different house: | 6,220 | 12.9% | 13.1% |
| Same county: | 3,933 | 63.2% | 7.0% |
| Different county: | 2,139 | 34.4% | 3.2% |
| Different state: | 927 | 14.9% | 2.5% |
| Abroad: | 148 | 2.4% | 0.4% |
Place of Birth (18103 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Native born: | 40,227 | 83.2% | 86.2% |
| Foreign born: | 4,154 | 8.6% | 13.9% |
| Naturalized citizen: | 8,117 | 195.4% | 52.7% |
| Not a citizen: | 8,117 | 195.4% | 47.3% |
| Foreign-born by region: | -- | -- | -- |
| Europe: | 8,117 | 195.4% | 10.5% |
| Asia: | 428 | 10.3% | 31.3% |
| Africa: | 856 | 20.6% | 5.5% |
| Oceania: | 0 | 0.0% | 0.5% |
| Latin America: | 5,510 | 132.6% | 50.0% |
| Northern America: | 36 | 0.9% | 2.2% |
Language Spoken at Home (18103 zip code)
| Population 5 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 45,073 | -- | -- |
| English only: | 29,502 | 65.5% | 78.3% |
| Language other than English: | 15,571 | 34.5% | 21.5% |
| By language: | -- | -- | -- |
| Spanish: | 12,884 | 28.6% | 13.3% |
| Other Indo-European languages: | 850 | 1.9% | 3.5% |
| Asian/Pacific Island languages: | 1,126 | 2.5% | 3.5% |
| Other languages: | 711 | 1.6% | 1.0% |
Computers & Internet (18103 zip code)
| Households | Percent% | US AvgUS | |
|---|---|---|---|
| Households with a computer: | 18,799 | 100.0% | 93.1% |
| Households with broadband internet: | 17,423 | 92.7% | 89.4% |
Allentown, PA18103