The 18104 ZIP Code is primarily associated with Allentown, PA (Lehigh County) in the U.S. The current population estimate is 44,908. It is estimated that about 41.3% of residents in this Pennsylvania region hold a bachelor's degree or higher, while the per capita income is approximately $37,223. The median age in the 18104 ZIP Code is 39.3 years, with 23.8% of residents aged 62 years and older. Median househould income is approximately $73,943, and an estimated 6% of the population is living below the poverty line.
6:55 am
5:37 pm
Fair
In ZIP Code 18104, 92.8% of the population graduated high school, while 41.3% have a bachelor's degree or higher. In this region, 2.3% achieved an education level less than 9th grade, while 16.8% hold a graduate or professional degree. Approximately 28.7% in this Lehigh County region reached the highest level of high school graduate (including equivalency).
| Education Level | Percent |
|---|---|
| Less than 9th grade | 2.3% |
| 9th to 12th grade, no diploma | 4.9% |
| High school graduate (includes equivalency) | 28.7% |
| Some college, no degree | 14.5% |
| Associate's degree | 8.3% |
| Bachelor's degree | 24.5% |
| Graduate or professional degree | 16.8% |
Residents of ZIP Code 18104 are older than average. The median age of 39.3 years in ZIP Code 18104 is approximately 3.15% higher than the overall median age in the U.S. of 38.1 years. About 80.6% of residents are aged 18 years and older, and 23.8% of residents are 62 years and over. Approximately 12.6% of the population in 18104 falls in the age group 25 to 34 years, while an estimated 11.6% are aged 45 to 54 years. On the low end of the scale, 4.6% of 18104 residents are aged 85 years and over.
| Age Range | Percent |
|---|---|
| Under 5 years | 5.6% |
| 5 to 9 years | 4.8% |
| 10 to 14 years | 5.3% |
| 15 to 19 years | 8.5% |
| 20 to 24 years | 8.1% |
| 25 to 34 years | 12.6% |
| 35 to 44 years | 10.5% |
| 45 to 54 years | 11.6% |
| 55 to 59 years | 6.2% |
| 60 to 64 years | 6.6% |
| 65 to 74 years | 9.6% |
| 75 to 84 years | 5.9% |
| 85 years and over | 4.6% |
The median household income in ZIP Code 18104 is $73,943, while the region's mean household income is $98,263. Breaking income down further, per capita income in the region is $37,223. The per capita income in ZIP Code 18104 of $37,223 is approximately 8.36% more than the per capita income in Pennsylvania overall of $34,352. An estimated 5.9% of the population is living below the poverty line in this region. This rate is approximately 37.89% lower than the overall poverty rate in the U.S. of 9.5%. Regarding household income, approximately 18.3% of the population in 18104 earn $50,000 to $74,999 per year, while an estimated 17.6% earn $100,000 to $149,999 per year, and 3.1% of 18104 residents earn $10,000 to $14,999 per year.
| Household Income | Percent |
|---|---|
| Less than $10,000 per year | 3.7% |
| $10,000 to $14,999 per year | 3.1% |
| $15,000 to $24,999 per year | 7.1% |
| $25,000 to $34,999 per year | 6.7% |
| $35,000 to $49,999 per year | 11.8% |
| $50,000 to $74,999 per year | 18.3% |
| $75,000 to $99,999 per year | 13.8% |
| $100,000 to $149,999 per year | 17.6% |
| $150,000 to $199,999 per year | 9.0% |
| $200,000 or more per year | 8.9% |
Looking at race in the population that makes up ZIP Code 18104, 97.6% is one race, while 2.4% are two or more races. Approximately 14.4% of 18104 residents are hispanic or Latino (of any race). The most common race in 18104 (race alone or in combination with one or more other races), is White (82.8%), followed by Asian (8.6%) .
| Industry | Percent |
|---|---|
| White | 82.8% |
| Black or African American | 7.4% |
| American Indian and Alaska Native | 0.5% |
| Asian | 8.6% |
| Native Hawaiian and Other Pacific Islander | 0.1% |
| Some other race | 3.3% |
In ZIP Code 18104, 78.9% of the population lists "English only" as the language spoken in home, while 9.2% of lists Spanish. Additionally, Asian and Pacific Islander languages are spoken in 5.1% of homes, and other Indo-European languages are spoken in 5.1% of homes. Lastly, 1.6% of homes list "other languages" as spoken in the home. All percentages referenced are for the population 5 years and older in this Lehigh County region.
| Language Spoken | Percent |
|---|---|
| English only | 78.9% |
| Spanish | 9.2% |
| Other Indo-European languages | 5.1% |
| Asian and Pacific Islander languages | 5.1% |
| Other languages | 1.6% |
The median home value in ZIP Code 18104 in January 2025 comes in at $368,943. The January 2025 value is approximately 2% higher than the $362,481 median value in August 2024, and 5% higher than the $351,124 median value in February 2024. Regarding the age of homes in ZIP Code 18104, an estimated 18.8% of homes were built between 1950 and 1959. Additionally, 17.8% of homes in the region were built in 1939 or earlier, while an estimated 1.2% of homes were built between 2010 and 2013 in this Lehigh County region.
| Month | Home value |
|---|---|
| Jan 2025 | $368,943 |
| Dec 2024 | $367,647 |
| Nov 2024 | $366,350 |
| Oct 2024 | $365,296 |
| Sep 2024 | $363,937 |
| Aug 2024 | $362,481 |
| Jul 2024 | $361,523 |
| Jun 2024 | $360,746 |
| May 2024 | $359,434 |
| Apr 2024 | $356,792 |
| Mar 2024 | $353,710 |
| Feb 2024 | $351,124 |
| Year Home Built | Percent |
|---|---|
| Built in 2014 or later | 2.9% |
| Built between 2010 and 2013 | 1.2% |
| Built between 2000 and 2009 | 10.4% |
| Built between 1990 and 1999 | 8.8% |
| Built between 1980 and 1989 | 11.4% |
| Built between 1970 and 1979 | 13.3% |
| Built between 1960 and 1969 | 9.9% |
| Built between 1950 and 1959 | 18.8% |
| Built between 1940 and 1949 | 5.4% |
| Built in 1939 or earlier | 17.8% |
Regarding solar power potential, ZIP Code 18104 has an average daily solar radiation level of 4.74 kWh/m2/day. This is approximately 15.05% greater than an area in the U.S. with historically low solar radiation levels (WA), and about 28.07% less than an area in the U.S. with historically high solar radiation levels (AZ).
| Region | Residential | Commercial | Industrial |
|---|---|---|---|
| ZIP Code 18104 | 8.2¢/kWh | 2.76¢/kWh | 0.64¢/kWh |
| Pennsylvania | 20.17¢/kWh | 13.02¢/kWh | 10.2¢/kWh |
| United States | 17.78¢/kWh | 13.19¢/kWh | 8.44¢/kWh |
| Month | ZIP Code 18104 | Low (WA) | High (AZ) |
|---|---|---|---|
| Jan | 3.56 | 1.9 | 5.84 |
| Feb | 4.44 | 3 | 6.31 |
| Mar | 4.83 | 3.65 | 7.02 |
| Apr | 5.29 | 5.13 | 7.3 |
| May | 5.45 | 5.17 | 7.13 |
| Jun | 5.43 | 5.72 | 6.95 |
| Jul | 5.76 | 6.22 | 6.51 |
| Aug | 5.74 | 6.08 | 6.65 |
| Sep | 5.21 | 5.15 | 7.02 |
| Oct | 4.45 | 3.32 | 6.92 |
| Nov | 3.7 | 2.33 | 5.99 |
| Dec | 3.02 | 1.78 | 5.46 |
In 18104, 61.1% of the population is in the labor force. Recent estimates place 8.1% as working from home, while the total labor force in the region has a mean travel to time to work of 24.5 minutes. Approximately 28.5% of the employed population 16 years and over in 18104 work in educational services, and health care and social assistance, while an estimated 13.4% work in manufacturing. On the lower end of the scale, just 0.8% of 18104 workers 16 years and over work in agriculture, forestry, fishing and hunting, and mining.
| Industry | Percent |
|---|---|
| Agriculture, forestry, fishing and hunting, and mining | 0.8% |
| Construction | 4.3% |
| Manufacturing | 13.4% |
| Wholesale trade | 2.4% |
| Retail trade | 9.1% |
| Transportation and warehousing, and utilities | 6.8% |
| Information | 1.1% |
| Finance and insurance, and real estate and rental and leasing | 6.3% |
| Professional, scientific, management, and administrative | 10.4% |
| Educational services, and health care and social assistance | 28.5% |
| Arts, entertainment, and recreation, and accommodation and food services | 9.7% |
| Other services, except public administration | 4.6% |
| Public administration | 2.6% |