Zip Code 18015
Bethlehem, Pennsylvania — Northampton County
📍 ZIP code 18015 is in Bethlehem, Northampton County, Pennsylvania.
ZIP code 18015 is located in Bethlehem, Northampton County, Pennsylvania. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 34,259. The area code for ZIP code 18015 is 570.
Quick Answer
Zip code 18015 is in Bethlehem, Pennsylvania (Northampton County). It has a population of 34,259, median household income of $58,470, and median home value of $243,100.
Population
34,259
Income
$58,470
Home Value
$243,100
Climate
83°F / 19°F
About Zip Code 18015
Zip code 18015 is located in Bethlehem, Pennsylvania, within Northampton County. Home to approximately 34,259 residents, this area sits at an elevation of 368 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 570.
The median household income is $58,470 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $243,100, and the cost of living index is 74 (26% below the national average of 100).
Summers average a high of 83°F while winters drop to 19°F. The area receives about 53 in of rain and 41 in of snow annually. The zip code covers 21.2 square miles of land area and 0.3 square miles of water.
Key Statistics
34,259
$58,470
$243,100
Eastern (EST/EDT)
570
368 ft
21.2 sq mi
31.5
12,867
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Compare With Nearby Zip Codes
| Metric | 18015 | 18018 | 18055 | 18034 | 18081 | 18017 |
|---|---|---|---|---|---|---|
| City | Bethlehem, PA | Bethlehem, PA | Hellertown, PA | Center Valley, PA | Springtown, PA | Allentown, PA |
| Population | 34,259 | 32,253 | 11,947 | 9,501 | 282 | 40,463 |
| Median Income | $58,470 | $71,968 | $90,087 | $134,137 | $113,681 | $88,946 |
| Home Value | $243,100 | $224,000 | $293,800 | $398,300 | $0 | $310,600 |
| Cost of Living | 74 | 81 | 100 | 152 | 100 | 106 |
| Median Age | 31.5 | 39.5 | 46.7 | 41.1 | 15 | 44.7 |
Cost of Living
100 = National Average. Bethlehem's cost of living is 26% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
4.2x
Demographics
Zip code 18015 has a population of 34,259 people with a median age of 31.5. There are 12,867 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Bethlehem (18015) population trend from 2010 to 2024
↓ -42.9%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
83°F
19°F
53 in
41 in
Bethlehem experiences warm summers with average highs around 83°F. Winters are cold with lows averaging 19°F. With 41 in of annual snowfall, residents should be prepared for significant winter weather.
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Housing & Economy
Median Home Value
$243,100
Median Household Income
$58,470
With 12,867 housing units across 21.2 square miles, 18015 has a housing density of 607 units per square mile. The home price-to-income ratio is 4.2x.
Location & Geography
Latitude
40.5859°
Longitude
-75.3672°
Land Area
21.2 sq mi
Water Area
0.3 sq mi
Nearby Zip Codes
Zip codes closest to 18015 (Bethlehem, PA) with distances:
All Zip Codes in Bethlehem, PA
Other zip codes serving Bethlehem:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 18015's $58,470. A way to compare Bethlehem to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 18015 (Bethlehem, PA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Bethlehem, Pennsylvania?
Bethlehem, Pennsylvania uses zip code 18015 along with 1 other zip codes.
What county is zip code 18015 in?
Zip code 18015 is located in Northampton County, Pennsylvania.
What is the population of zip code 18015?
The population of zip code 18015 is 34,259 with a median age of 31.5.
Is 18015 in Bethlehem, Pennsylvania?
Yes, zip code 18015 is in Bethlehem, Northampton County, Pennsylvania. The area code is 570.
Frequently Asked Questions
What city is zip code 18015 in?
Zip code 18015 is in Bethlehem, Pennsylvania. It is part of Northampton County and uses the Eastern (EST/EDT) timezone.
What is zip code 18015?
Zip code 18015 is a U.S. postal code in Bethlehem, Pennsylvania (Northampton County). It has a population of 34,259 and covers 21.2 square miles.
What is the population of zip code 18015?
The population of zip code 18015 (Bethlehem, PA) is 34,259 with a median age of 31.5. There are approximately 12,867 housing units in this area.
What is the median income in zip code 18015?
The median household income in zip code 18015 (Bethlehem, PA) is $58,470 per year. The cost of living index is 74 (100 = national average).
What is the average home price in zip code 18015?
The median home value in zip code 18015 (Bethlehem, PA) is $243,100. The cost of living index is 74 compared to the national average of 100.
What county is zip code 18015 in?
Zip code 18015 is located in Northampton County, Pennsylvania. The primary city is Bethlehem.
What is the area code for zip code 18015?
Zip code 18015 in Bethlehem, PA uses area code 570. It is located in the Eastern (EST/EDT) timezone.
Is zip code 18015 a good place to live?
Zip code 18015 (Bethlehem, PA) has a cost of living index of 74 (100 = national average), a median household income of $58,470, and median home values of $243,100. The median age is 31.5. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 18015?
The cost of living index for zip code 18015 (Bethlehem, PA) is 74, where 100 represents the national average. This area is below the national average. Median home value: $243,100.
What schools serve zip code 18015?
Zip code 18015 in Bethlehem, Pennsylvania is served by the local school district of Northampton County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.