Residential delivery area · Pennsylvania
ZIP Code 18055: Hellertown, PA
ZIP code 18055 uses the postal name Hellertown, Pennsylvania and lies mostly in Northampton County (94% of its land) with the rest in Bucks County (Census 2020 ZIP-county file). About 12,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $90,234 (Census Bureau, ACS 2020-2024). By Census place, 7% of its land lies in Hellertown; 93% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Hellertown · its only residential ZIP
- County
- Northampton County (94%); Bucks County (6%)
- Census places
- Hellertown
- Metro area
- Allentown-Bethlehem-Easton, PA-NJ
- House districts
- PA-7 (94%), PA-1 (6%) 119th Congress, by share of land
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 20.0 sq mi · 606 people per sq mi
Where is ZIP code 18055?
18055 centers on 40.592°, -75.304° and covers 20.0 square miles of land plus 0.2 of water. It borders 8 ZIP codes: 18081, 18015, 18077, 18042, 18020, 18017, 18045, 18036.
The map draws ZIP code areas only. For the streets inside 18055, 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).
How does 18055 compare with the rest of Northampton County?
| Measure | 18055 | In Northampton County | In PA |
|---|---|---|---|
| People (ACS 2020-2024) | 12,117 | 12th of 26 | 353rd of 1,833 |
| Median household income | $90k | 8th of 17 | 282nd of 1,015 |
| Median home value | $324k | 8th of 21 | 211th of 1,069 |
Its median household income is higher than in 73% of U.S. residential ZIP codes, and it is denser than 74% 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 18055?
The 2020 Census counted 12,077 people in 18055; the ACS, which samples households over 2020-2024, estimates 12,117. Between the 2010 and 2020 censuses its population grew 2.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 12,117
- 2020 Census count
- 12,077+2.5% since 2010 (11,780)
- Households
- 4,703
- Median age
- 46.1
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 18055?
Of the 12,117 people the ACS estimates in 18055, 19.8% are under 18 and 26.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (81.8%), then Hispanic or Latino (11.3%).
- Under 1819.8%
- 18 to 6454.0%
- 65 and older26.2%
- White, not Hispanic81.8%
- Hispanic or Latino11.3%
- Other or two or more4.8%
- Black, not Hispanic1.3%
- Asian, not Hispanic0.8%
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 18055 earn?
Median household income is $90,234 (ACS 2020-2024), the 8th highest of the 17 ranked ZIP codes in Northampton County. It is not measurably different from 2015-2019 ($86,348 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $90,234±$10,018
- Income per person
- $47,631
- Below the poverty line
- 5.4%
- Unemployed (of the labor force)
- 6.1%
- Adults 25+ with a bachelor's degree
- 37.0%
- Adjusted gross income per tax return, 2022
- $97,4666,310 returns; wages 68% 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 18055?
FHFA's house price index for 18055, built from repeat sales and appraisals of the same homes, rose 84% from 2015 to 2025 and rose 49% from 2020 to 2025, and moved +3.7% in 2025.
- Median home value (owners' estimate)
- $324,000
- Median gross rent
- $1,397
- Homes owned by their occupants
- 78.0%
- Housing units
- 4,953
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 18055?
245 business establishments had a location in this ZIP code in 2023, 10 fewer than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)38
- Construction33
- Retail trade33
- Accommodation and food services30
- Health care and social assistance27
- Professional, scientific, and technical services21
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 18055?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 18081 | Springtown | 85 | – | 2.3 mi |
| 18015 | Bethlehem | 34,852 | $61k | 3.3 mi |
| 18077 | Riegelsville | 2,203 | $98k | 3.8 mi |
| 18042 | Easton | 45,532 | $78k | 5.4 mi |
| 18020 | Bethlehem | 21,204 | $126k | 5.7 mi |
| 18017 | Bethlehem | 40,640 | $91k | 6.4 mi |
| 18045 | Easton | 30,429 | $115k | 7.1 mi |
| 18036 | Coopersburg | 15,581 | $129k | 7.2 mi |
| 18018 | Bethlehem | 32,965 | $75k | 5.4 mi (near) |
| 18930 | Kintnersville | 1,892 | $127k | 6.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.