Residential delivery area · Pennsylvania
ZIP Code 18042: Easton, PA
ZIP code 18042 uses the postal name Easton, Pennsylvania and lies entirely in Northampton County (Census 2020 ZIP-county file). About 46,000 people live there (Census Bureau, ACS 2020-2024), the most populous of Easton's 3 residential ZIP codes. Median household income is $77,556 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Easton (18%), Raubsville (7%), Wilson (5%), Morgan Hill (3%), Glendon (3%) and West Easton (1%); 62% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Easton · 3 residential ZIPs
- County
- Northampton County
- Census places
- Easton (18%); Raubsville (7%) census-designated place; Wilson (5%); Morgan Hill (3%) census-designated place
- Neighborhoods
- Mutchlertown, Odenweldertown, Paxinosa, Williamsport GeoNames
- Metro area
- Allentown-Bethlehem-Easton, PA-NJ
- House district
- PA-7 119th Congress
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 22.1 sq mi · 2,059 people per sq mi
Where is ZIP code 18042?
18042 centers on 40.644°, -75.227° and covers 22.1 square miles of land plus 0.8 of water. It borders 5 ZIP codes: 18045, 18077, 18055, 08865, 18040.
The map draws ZIP code areas only. For the streets inside 18042, 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 18042 compare with the rest of Easton?
| Measure | 18042 | In Easton | In Northampton County | In PA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 45,532 | 1st of 3 | 1st of 26 | 30th of 1,833 |
| Median household income | $78k | 3rd of 3 | 14th of 17 | 428th of 1,015 |
| Median home value | $230k | 3rd of 3 | 19th of 21 | 483rd of 1,069 |
Its median household income is higher than in 59% of U.S. residential ZIP codes, and it is denser than 85% 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 18042?
The 2020 Census counted 44,026 people in 18042; the ACS, which samples households over 2020-2024, estimates 45,532. Between the 2010 and 2020 censuses its population grew 5.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 45,532
- 2020 Census count
- 44,026+5.9% since 2010 (41,570)
- Households
- 16,376
- Median age
- 34.7
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 18042?
Of the 45,532 people the ACS estimates in 18042, 20.8% are under 18 and 14.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (55.9%), then Hispanic or Latino (21.9%).
- Under 1820.8%
- 18 to 6465.2%
- 65 and older14.0%
- White, not Hispanic55.9%
- Hispanic or Latino21.9%
- Black, not Hispanic13.7%
- Other or two or more5.7%
- Asian, not Hispanic2.8%
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 18042 earn?
Median household income is $77,556 (ACS 2020-2024), the 14th highest of the 17 ranked ZIP codes in Northampton County. It is not measurably different from 2015-2019 ($70,421 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $77,556
- Income per person
- $35,570
- Below the poverty line
- 12.9%
- Unemployed (of the labor force)
- 5.2%
- Adults 25+ with a bachelor's degree
- 28.6%
- Adjusted gross income per tax return, 2022
- $67,08519,540 returns; wages 72% 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 18042?
FHFA's house price index for 18042, built from repeat sales and appraisals of the same homes, rose 126% from 2015 to 2025 and rose 78% from 2020 to 2025, and moved +13.0% in 2025.
- Median home value (owners' estimate)
- $230,200
- Median gross rent
- $1,356
- Homes owned by their occupants
- 55.0%
- Housing units
- 17,974
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 18042?
821 business establishments had a location in this ZIP code in 2023, 8 fewer than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services118
- Retail trade115
- Other services (except public administration)108
- Health care and social assistance90
- Professional, scientific, and technical services70
- Construction67
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 18042?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 18045 | Easton | 30,429 | $115k | 4.2 mi |
| 18077 | Riegelsville | 2,203 | $98k | 5.1 mi |
| 18055 | Hellertown | 12,117 | $90k | 5.4 mi |
| 08865 | Phillipsburg, NJ | 31,427 | $80k | 6.1 mi |
| 18040 | Easton | 17,256 | $107k | 7.1 mi |
| 18020 | Bethlehem | 21,204 | $126k | 5.6 mi (near) |
| 18081 | Springtown | 85 | – | 6.2 mi (near) |
| 08804 | Bloomsbury, NJ | 3,465 | $107k | 6.9 mi (near) |
| 18085 | Tatamy | 1,175 | $113k | 6.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.