Residential delivery area · Pennsylvania
ZIP Code 18015: Bethlehem, PA
ZIP code 18015 uses the postal name Bethlehem, Pennsylvania and lies mostly in Northampton County (65% of its land) with the rest in Lehigh County (Census 2020 ZIP-county file). About 35,000 people live there (Census Bureau, ACS 2020-2024), the 2nd most populous of Bethlehem's 4 residential ZIP codes. Median household income is $60,800 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Bethlehem (30%) and Fountain Hill (3%); 67% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Bethlehem · 4 residential ZIPs
- County
- Northampton County (65%); Lehigh County (35%)
- Census places
- Bethlehem (30%); Fountain Hill (3%)
- Neighborhood
- Shimersville GeoNames
- Metro area
- Allentown-Bethlehem-Easton, PA-NJ
- House district
- PA-7 119th Congress
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 23.2 sq mi · 1,503 people per sq mi
Where is ZIP code 18015?
18015 centers on 40.587°, -75.367° and covers 23.2 square miles of land plus 0.3 of water. It borders 7 ZIP codes: 18018, 18055, 18034, 18017, 18109, 18036, 18103.
The map draws ZIP code areas only. For the streets inside 18015, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 18015 compare with the rest of Bethlehem?
| Measure | 18015 | In Bethlehem | In Northampton County | In PA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 34,852 | 2nd of 4 | 3rd of 26 | 73rd of 1,833 |
| Median household income | $61k | 4th of 4 | 16th of 17 | 805th of 1,015 |
| Median home value | $282k | 3rd of 4 | 12th of 21 | 306th of 1,069 |
Its median household income is higher than in 30% of U.S. residential ZIP codes, and it is denser than 82% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 18015?
The 2020 Census counted 33,286 people in 18015; the ACS, which samples households over 2020-2024, estimates 34,852. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 34,852
- 2020 Census count
- 33,286
- Households
- 12,150
- Median age
- 31.2
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 18015?
Of the 34,852 people the ACS estimates in 18015, 18.1% are under 18 and 14.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (54.7%), then Hispanic or Latino (28.1%).
- Under 1818.1%
- 18 to 6467.7%
- 65 and older14.2%
- White, not Hispanic54.7%
- Hispanic or Latino28.1%
- Black, not Hispanic9.7%
- Asian, not Hispanic4.1%
- Other or two or more3.4%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 18015 earn?
Median household income is $60,800 (ACS 2020-2024), the 16th highest of the 17 ranked ZIP codes in Northampton County.
- Median household income
- $60,800
- Income per person
- $35,231
- Below the poverty line
- 16.6%
- Unemployed (of the labor force)
- 8.3%
- Adults 25+ with a bachelor's degree
- 33.2%
- Adjusted gross income per tax return, 2022
- $98,44614,200 returns; wages 60% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 18015?
FHFA's house price index for 18015, built from repeat sales and appraisals of the same homes, rose 104% from 2015 to 2025 and rose 65% from 2020 to 2025, and moved +5.3% in 2025.
- Median home value (owners' estimate)
- $281,700
- Median gross rent
- $1,353
- Homes owned by their occupants
- 50.5%
- Housing units
- 13,002
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 18015?
595 business establishments had a location in this ZIP code in 2023, 7 fewer than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services116
- Retail trade73
- Health care and social assistance66
- Other services (except public administration)59
- Professional, scientific, and technical services45
- Manufacturing39
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 18015?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 18018 | Bethlehem | 32,965 | $75k | 3.2 mi |
| 18055 | Hellertown | 12,117 | $90k | 3.3 mi |
| 18034 | Center Valley | 9,209 | $153k | 4.2 mi |
| 18017 | Bethlehem | 40,640 | $91k | 5.1 mi |
| 18109 | Allentown | 18,446 | $58k | 5.2 mi |
| 18036 | Coopersburg | 15,581 | $129k | 5.5 mi |
| 18103 | Allentown | 48,746 | $73k | 6.5 mi |
| 18081 | Springtown | 85 | – | 4.8 mi (near) |
| 18101 | Allentown | 6,120 | $45k | 5.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.