Residential delivery area · Pennsylvania
ZIP Code 18603: Berwick, PA
ZIP code 18603 uses the postal name Berwick, Pennsylvania and lies mostly in Columbia County (58% of its land) with the rest in Luzerne County (Census 2020 ZIP-county file). About 19,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $60,352 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Berwick (6%), Briar Creek (3%), East Berwick (2%) and Foundryville (1%); 88% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Berwick · its only residential ZIP
- County
- Columbia County (58%); Luzerne County (42%)
- Census places
- Berwick (6%); Briar Creek (3%); East Berwick (2%) census-designated place; Foundryville (1%) census-designated place
- Micro area
- Bloomsburg-Berwick, PA
- House district
- PA-9 119th Congress
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 53.4 sq mi · 353 people per sq mi
Where is ZIP code 18603?
18603 centers on 41.083°, -76.248° and covers 53.4 square miles of land plus 1.6 of water. It borders 6 ZIP codes: 18635, 18631, 18655, 17859, 18660, 17815.
The map draws ZIP code areas only. For the streets inside 18603, 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 18603 compare with the rest of Columbia County?
| Measure | 18603 | In Columbia County | In PA |
|---|---|---|---|
| People (ACS 2020-2024) | 18,827 | 2nd of 19 | 215th of 1,833 |
| Median household income | $60k | 13th of 13 | 809th of 1,015 |
| Median home value | $171k | 14th of 14 | 763rd of 1,069 |
Its median household income is higher than in 30% of U.S. residential ZIP codes, and it is denser than 69% 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 18603?
The 2020 Census counted 18,728 people in 18603; the ACS, which samples households over 2020-2024, estimates 18,827. Between the 2010 and 2020 censuses its population fell 3.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 18,827
- 2020 Census count
- 18,728−3.1% since 2010 (19,320)
- Households
- 8,283
- Median age
- 45.3
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 18603?
Of the 18,827 people the ACS estimates in 18603, 17.4% are under 18 and 22.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (89.7%).
- Under 1817.4%
- 18 to 6460.6%
- 65 and older22.0%
- White, not Hispanic89.7%
- Hispanic or Latino5.5%
- Black, not Hispanic2.6%
- Other or two or more1.8%
- Asian, not Hispanic0.3%
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 18603 earn?
Median household income is $60,352 (ACS 2020-2024), the 13th highest of the 13 ranked ZIP codes in Columbia County. It is not measurably different from 2015-2019 ($59,851 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $60,352±$7,488
- Income per person
- $33,105
- Below the poverty line
- 13.4%
- Unemployed (of the labor force)
- 6.0%
- Adults 25+ with a bachelor's degree
- 22.1%
- Adjusted gross income per tax return, 2022
- $57,0539,060 returns; wages 73% 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 18603?
FHFA's house price index for 18603, built from repeat sales and appraisals of the same homes, rose 79% from 2015 to 2025 and rose 57% from 2020 to 2025, and moved +13.6% in 2025.
- Median home value (owners' estimate)
- $170,500
- Median gross rent
- $810
- Homes owned by their occupants
- 71.7%
- Housing units
- 9,104
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 18603?
410 business establishments had a location in this ZIP code in 2023, 5 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade74
- Other services (except public administration)62
- Health care and social assistance57
- Accommodation and food services39
- Manufacturing37
- Construction23
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 18603?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 18635 | Nescopeck | 3,734 | $74k | 4.4 mi |
| 18631 | Mifflinville | 1,100 | $46k | 4.6 mi |
| 18655 | Shickshinny | 6,018 | $73k | 7.6 mi |
| 17859 | Orangeville | 2,701 | $76k | 8.2 mi |
| 18660 | Wapwallopen | 3,137 | $81k | 9.7 mi |
| 17815 | Bloomsburg | 29,790 | $68k | 10.4 mi |
| 17878 | Stillwater | 1,488 | $68k | 7.5 mi (near) |
| 18622 | Huntington Mills | 252 | $64k | 8.3 mi (near) |
| 18246 | Rock Glen | 84 | $112k | 9.1 mi (near) |
| 18249 | Sugarloaf | 4,191 | $98k | 9.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.