Columbia

Source:

Pennsylvania

Columbia is a smaller county in Pennsylvania with 11 ZIP codes, 71,198 people, and below-median household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

National county placement

According to ACS 5-Year Estimates, Columbia, PA sits among US counties with a below-median household income, on a smaller county population base, across a compact ZIP cluster.

32nd pct
household income vs 3,210 US counties
71,198
combined ZIP population
11
USPS ZIP codes covered
$60,201
avg ZIP median income

Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.

Columbia lands in the national county income distribution as below-median household income on smaller county footing (FIPS 42037, 11 ZIPs, combined population 71,198). Sort the ZIP table by population before treating the county mean as uniform.

Below-median income on a compact ZIP cluster (11 codes). Population density still swings from downtown to farm-edge; the density column is the fastest filter before a side-by-side compare. County-level HUD and FBI inputs still key off FIPS 42037.

Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.

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11

Total ZIPs

71,198

Total Population

ZIP Codes in Columbia

Side-by-side: Compare 17815 vs 18603 →

ZIP Code City Population Density
17815 Bloomsburg 30,967 88
18603 Berwick 19,320 145
17820 Catawissa 5,556 24
17814 Benton 4,860 14
17846 Millville 3,738 31
17859 Orangeville 3,106 31
17878 Stillwater 1,528 28
18631 Mifflinville 1,286 289
17920 Aristes 331 29
17888 Wilburton 326 44
17945 Locustdale 180 67

Frequently Asked Questions

What is the population of Columbia?

Columbia has a total population of 71,198 across 11 ZIP codes, based on U.S. Census Bureau ACS 2023 data.

What ZIP codes are in Columbia?

Columbia includes 11 ZIP codes: 17815, 18603, 17820, 17814, 17846, 17859, 17878, 18631, 17920, 17888, and more.

Columbia's figures come from Census ACS 5-Year Estimates (2023), mapped to ZIP codes via the HUD USPS Crosswalk. PlainZIP is not affiliated with the U.S. Census Bureau or any government agency. See our methodology for details.

Related

Compare any two ZIPs side by side

Read our methodology : how this data is sourced, computed, and verified.