Residential delivery area · Pennsylvania
ZIP Code 18017: Bethlehem, PA
ZIP code 18017 uses the postal name Bethlehem, Pennsylvania and lies mostly in Northampton County (95% of its land) with the rest in Lehigh County (Census 2020 ZIP-county file). About 41,000 people live there (Census Bureau, ACS 2020-2024), the most populous of Bethlehem's 4 residential ZIP codes. Median household income is $91,173 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Bethlehem (41%) and Freemansburg (4%); 55% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Bethlehem · 4 residential ZIPs
- County
- Northampton County (95%); Lehigh County (5%)
- Census places
- Bethlehem (41%); Freemansburg (4%)
- Neighborhoods
- Bayard Park, Bethlehem View, Lincoln Park, Macada GeoNames
- Metro area
- Allentown-Bethlehem-Easton, PA-NJ
- House district
- PA-7 119th Congress
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 16.8 sq mi · 2,425 people per sq mi
Where is ZIP code 18017?
18017 centers on 40.660°, -75.387° and covers 16.8 square miles of land plus 0.1 of water. It borders 8 ZIP codes: 18018, 18020, 18109, 18015, 18067, 18055, 18014, 18064.
The map draws ZIP code areas only. For the streets inside 18017, 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 18017 compare with the rest of Bethlehem?
| Measure | 18017 | In Bethlehem | In Northampton County | In PA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 40,640 | 1st of 4 | 2nd of 26 | 50th of 1,833 |
| Median household income | $91k | 2nd of 4 | 7th of 17 | 271st of 1,015 |
| Median home value | $336k | 2nd of 4 | 6th of 21 | 195th of 1,069 |
Its median household income is higher than in 74% of U.S. residential ZIP codes, and it is denser than 86% 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 18017?
The 2020 Census counted 39,663 people in 18017; the ACS, which samples households over 2020-2024, estimates 40,640. Between the 2010 and 2020 censuses its population grew 5.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 40,640
- 2020 Census count
- 39,663+5.6% since 2010 (37,549)
- Households
- 16,597
- Median age
- 45.0
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 18017?
Of the 40,640 people the ACS estimates in 18017, 20.8% are under 18 and 26.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (63.9%), then Hispanic or Latino (24.6%).
- Under 1820.8%
- 18 to 6452.7%
- 65 and older26.5%
- White, not Hispanic63.9%
- Hispanic or Latino24.6%
- Black, not Hispanic4.5%
- Other or two or more3.5%
- Asian, not Hispanic3.4%
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 18017 earn?
Median household income is $91,173 (ACS 2020-2024), the 7th highest of the 17 ranked ZIP codes in Northampton County. It is not measurably different from 2015-2019 ($90,282 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $91,173
- Income per person
- $46,344
- Below the poverty line
- 10.5%
- Unemployed (of the labor force)
- 5.3%
- Adults 25+ with a bachelor's degree
- 40.9%
- Adjusted gross income per tax return, 2022
- $87,87320,310 returns; wages 63% 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 18017?
FHFA's house price index for 18017, built from repeat sales and appraisals of the same homes, rose 90% from 2015 to 2025 and rose 56% from 2020 to 2025, and moved +6.4% in 2025.
- Median home value (owners' estimate)
- $336,100
- Median gross rent
- $1,597
- Homes owned by their occupants
- 67.0%
- Housing units
- 17,092
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 18017?
985 business establishments had a location in this ZIP code in 2023, 35 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance187
- Other services (except public administration)91
- Retail trade90
- Accommodation and food services83
- Professional, scientific, and technical services76
- Wholesale trade74
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 18017?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 18018 | Bethlehem | 32,965 | $75k | 2.3 mi |
| 18020 | Bethlehem | 21,204 | $126k | 3.3 mi |
| 18109 | Allentown | 18,446 | $58k | 3.3 mi |
| 18015 | Bethlehem | 34,852 | $61k | 5.1 mi |
| 18067 | Northampton | 19,590 | $94k | 6.3 mi |
| 18055 | Hellertown | 12,117 | $90k | 6.4 mi |
| 18014 | Bath | 12,097 | $82k | 7.5 mi |
| 18064 | Nazareth | 26,970 | $103k | 7.7 mi |
| 18032 | Catasauqua | 9,555 | $81k | 4.2 mi (near) |
| 18101 | Allentown | 6,120 | $45k | 5.8 mi (near) |
| 18102 | Allentown | 51,001 | $43k | 5.9 mi (near) |
| 18052 | Whitehall | 29,451 | $76k | 6.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.