US ZIP Code
18603

Berwick, PA

Columbia County  ·  Pennsylvania

● Active
👥 18,985 Population ↓ 2% since 2019
💰 $55,969 Median HH Income
▼ 27% below avg ↑ 15% since 2019
🎂 47.0 Median Age
🏠 $164,500 Median Home Value
▼ 41% below avg ↑ 33% since 2019
🎓 28.4% College Grads
▼ 27% below avg
📊 4.8% Unemployment
≈ Avg ↓ 19% since 2019
ZIP Code Details
ZIP Code18603
CityBerwick
StatePennsylvania (PA)
CountyColumbia County
Area Code272/570
Elevation1,055 ft
Latitude41.082935
Longitude-76.247853
TimezoneNew York (DST)
FIPS42037
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.8% (9,259) Female 51.2% (9,726) ♀

Race & Ethnicity

White: 90.5%Hispanic: 4.5%Black: 2.7%Asian: 0.2%Other: 1.8%Race
White90.5%
Hispanic4.5%
Black2.7%
Asian0.2%
Other1.8%

Age Breakdown

Under 5
4%
5–17
13%
18–24
9%
25–44
22%
45–64
30%
65+
8%

Key Indicators

Median Age47.0 yrs
Avg Household Size2.26
Below Poverty16.4% ▲ 64% above avg
College Grads28.4% ▼ 27% below avg
Unemployment4.8% ≈ Avg
No HS Diploma311 (2.4%)
HS Graduate5,946 (45.7%)
Some College1,320 (10.2%)
Associates1,734 (13.3%)
Bachelors1,202 (9.2%)
Graduate Degree2,485 (19.1%)

Education

No HS: 2.4%HS Grad: 45.7%Some College: 10.2%Associates: 13.3%Bachelors: 9.2%Graduate: 19.1%Edu
No HS2.4%
HS Grad45.7%
Some College10.2%
Associates13.3%
Bachelors9.2%
Graduate19.1%
Housing & Income

Housing Tenure

Owner: 72.4%Renter: 27.6%Tenure
Owner72.4%
Renter27.6%

Home Value Distribution

Under $50k
5%
$50k–100k
15%
$100k–150k
25%
$150k–200k
21%
$200k–300k
22%
$300k–500k
9%
Over $500k
4%

Financials

Median HH Income$55,969 ▼ 27% below avg ↑ 15% since 2019
Median Home Value$164,500 ▼ 41% below avg ↑ 33% since 2019
Home/Income Ratio2.9x (nat avg ~3.5x)
Median Rent$789/mo ↑ 10% since 2019
Total Units9,235
Vacant Units899
Avg HH Size2.26

Income Distribution

Under $25k
21%
$25k–50k
22%
$50k–75k
19%
$75k–100k
13%
$100k–150k
16%
$150k–200k
5%
Over $200k
4%
Employment & Commute

How People Get to Work

Drove Alone
86%
Public Transit
0%
Walked
3%
Work From Home
10%

Commute Time

Under 15 min
37%
15–30 min
34%
30–45 min
19%
Over 45 min
10%
Housing Stock

Year Built

Before 1940
6%
1940s–1950s
14%
1960s–1970s
15%
1980s–1990s
5%
2000+
60%

Summary

Total Units9,235
Vacant899
Owner Occupied72.4%
Renter Occupied27.6%
Avg HH Size2.26
Frequently Asked Questions
ZIP code 18603 is in Berwick, PA, in Columbia County.
ZIP code 18603 is located in Pennsylvania (PA).
ZIP code 18603 is in Columbia County, PA.
ZIP 18603 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 18603 is 18,985 people (ACS 2023).
The median household income in ZIP code 18603 is $55,969 (ACS 2023).
The median home value in ZIP 18603 is $164,500 (ACS 2023).
About ZIP Code 18603

ZIP code 18603 is located in Berwick, Pennsylvania, within Columbia County. With a population of 18,985, this is a moderately populated ZIP code with a mature community — the median age is 47 years. Economically, 18603 is a solidly middle-class ZIP code: the median household income of $55,969 is below the national average.

Real estate in ZIP code 18603 represents an affordable housing market. The median home value of $164,500 is below the national average. Renters can expect to pay around $789 per month in median rent. Homeownership is strong here — 72.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 33% since 2019.

The population of 18603 is primarily White (90.51%). Residents are moderately educated — 28.4% hold a bachelor's degree or higher, which is below the national average. Poverty affects some residents at 16.4%. Household income has grown by 15% since 2019.

The unemployment rate in 18603 stands at 4.8%, which is near the national average. As in most parts of the country, driving alone is the dominant commute mode at 81%.

Overall, ZIP code 18603 in Berwick, PA is characterized as solidly middle-class, moderately educated, a mature community, and predominantly owner-occupied. With 18,985 residents, a median household income of $55,969, and a median home value of $164,500, it offers a clear picture of life in this part of Pennsylvania.