Union

Source:

Pennsylvania

Union is a smaller county in Pennsylvania with 13 ZIP codes, 47,226 people, and above-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, Union, PA sits among US counties with an above-median household income, on a smaller county population base, across a compact ZIP cluster.

Top 32%
household income vs 3,210 US counties
47,226
combined ZIP population
13
USPS ZIP codes covered
$75,156
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.

Union lands in the national county income distribution as above-median household income on smaller county footing (FIPS 42119, 13 ZIPs, combined population 47,226). Sort the ZIP table by population before treating the county mean as uniform.

Above-median income on a compact ZIP cluster (13 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 42119.

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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13

Total ZIPs

47,226

Total Population

ZIP Codes in Union

Side-by-side: Compare 17837 vs 17844 →

ZIP Code City Population Density
17837 Lewisburg 19,815 123
17844 Mifflinburg 10,042 35
17810 Allenwood 4,683 32
17856 New Columbia 3,365 37
17889 Winfield 2,735 47
17845 Millmont 2,245 13
17887 White Deer 1,778 609
17855 New Berlin 992 196
17886 West Milton 895 355
17829 Hartleton 244 116
17835 Laurelton 219 167
17885 Weikert 141 5
17880 Swengel 72 224

Frequently Asked Questions

What is the population of Union?

Union has a total population of 47,226 across 13 ZIP codes, based on U.S. Census Bureau ACS 2023 data.

What ZIP codes are in Union?

Union includes 13 ZIP codes: 17837, 17844, 17810, 17856, 17889, 17845, 17887, 17855, 17886, 17829, and more.

Union'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.