US Census Data

ZIP Code 18603

ZIP Code Tabulation Area in Columbia County, Pennsylvania.

Population
18,985
-1.9%’19–’23
Median household income
$55,969
+14.7%’19–’23
Median home value
$164,500
+32.8%’19–’23

Covering part of Columbia County, Pennsylvania, ZIP Code 18603 has about 18,985 residents. Its median household income of $55,969 runs below the Columbia County figure of $61,992.

Between 2019 and 2023, ZIP Code 18603's population declined 1.9% from 19,357 to 18,985, while its median gross rent rose 9.9% from $718 to $789.

16.6% of residents live below the poverty line. Households average 2.26 people.

Demographics

ACS 2019–2023
Population
18,985
Median age
47.0 yrs
Median household income
$55,969
Median home value
$164,500
Median gross rent
$789
Housing units
9,235
Homeownership rate
72.4%
Bachelor's degree or higher
18.3%
Unemployment rate
4.7%

Trends

ACS 5-year · 2019–2023
Population
19,35718,985
Median household income
$48,779$55,969
Median home value
$123,900$164,500
Median gross rent
$718$789
YearPopulationMedian household incomeMedian home valueMedian gross rent
201919,357$48,779$123,900$718
202019,441$50,747$124,400$648
202119,524$53,900$133,700$688
202219,147$58,309$152,200$742
202318,985$55,969$164,500$789

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 58324.4%
5 to 172,49913.2%
18 to 241,6848.9%
25 to 342,19711.6%
35 to 441,95310.3%
45 to 542,91915.4%
55 to 642,79814.7%
65 to 742,19011.5%
75 and over1,91310.1%

Race & ethnicity

CountShare
White (non-Hispanic)17,18390.5%
Black or African American5202.7%
American Indian & Alaska Native200.1%
Asian390.2%
Native Hawaiian & Pacific Islander00.0%
Some other race290.2%
Two or more races3441.8%
Hispanic or Latino (any race)8504.5%

Educational attainment (age 25+)

CountShare
No high school diploma1,42710.2%
High school graduate6,43546.1%
Some college or associate's3,55225.4%
Bachelor's degree1,82913.1%
Graduate or professional degree7275.2%

Commute to work

Mean travel time to work
22 min

How workers get to work

CountShare
Drove alone7,13780.9%
Carpooled5165.8%
Public transit290.3%
Walked2723.1%
Bicycle40.0%
Worked from home8309.4%
Other means380.4%

Travel time

CountShare
Under 15 min2,94536.8%
15 to 29 min2,75134.4%
30 to 44 min1,48918.6%
45 to 59 min4345.4%
60+ min3774.7%

Households

Average household size
2.26
Poverty rate
16.6% (3,122 of 18,757)
CountShare
Family households5,19362.3%
Nonfamily households3,14337.7%

Housing

Median year structure built
1963

Occupancy

CountShare
Occupied8,33690.3%
Vacant8999.7%

Tenure (of occupied units)

CountShare
Owner-occupied6,03772.4%
Renter-occupied2,29927.6%

Units in structure

CountShare
1-unit, detached6,46470.0%
1-unit, attached5385.8%
2 to 4 units1,02211.1%
5 to 19 units1461.6%
20 or more units4064.4%
Mobile home & other6597.1%

Geography

ZCTA
18603
Land area
53 sq mi
Water area
1.59 sq mi
Center point
41.0829, -76.2479

Counties this ZIP covers

2

Compare with nearby ZIP codes

3

National ZIP rankings

21

Nearby ZIP codes

3