Union County, PA ZIP Codes
13 ZIP codes cover all or part of Union County, Pennsylvania. The Census Bureau counts 42,456 residents in the county, with a median household income of $76,404 and a median home value of $240,100. Median household income ranges from $66,510 in 17845 to $91,661 in 17856. Its largest communities include Lewisburg, Mifflinburg, Linntown, West Milton and New Berlin.
Union County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 42,456 |
| Households | 14,546 |
| Median household income | $76,404 |
| Median home value | $240,100 |
| Median age | 41 |
| Median rent | $974 |
All 13 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 45,212 |
| Households (sum of ZIP codes) | 15,334 |
| Median household income, range across ZIP codes | $66,510 (17845) to $91,661 (17856) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $81,459 |
| Homeowners | 73.1% |
| Households with kids under 18 | 27.8% |
| Moved in the past year | 19.6% |
| Carrier routes in EDDM2GO's route library | 32 routes, 15,494 homes (8 of 13 ZIP codes) |
Top facts
- Highest median household income in Union County: 17856 ($91,661)
- Most residents: 17837 (18,403 people)
- Highest homeownership: 17856 (93.7% own their home)
- Most households with kids: 17889 (35.9% of households)
- Most new movers: 17810 (36.3% moved in last year)
- Youngest median age: 17837 (37.4 years)
- Highest median home value: 17889 ($288,900)
Every ZIP code in Union County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 17837 | Lewisburg | 18,403 | 5,969 | $88,975 | $288,100 | 66.0% | 24.1% | 30.3% | 13 | 7,373 | 100% of its land |
| 17844 | Mifflinburg | 10,291 | 4,250 | $68,314 | $235,000 | 70.0% | 31.2% | 7.4% | 8 | 4,321 | 100% of its land |
| 17810 | Allenwood | 5,309 | 607 | $77,232 | $222,100 | 86.0% | 34.3% | 36.3% | 2 | 820 | 26% of its land |
| 17856 | New Columbia | 3,167 | 1,339 | $91,661 | $197,600 | 93.7% | 26.7% | 0.4% | 3 | 1,519 | 100% of its land |
| 17889 | Winfield | 3,039 | 1,125 | $89,063 | $288,900 | 87.0% | 35.9% | 4.3% | 2 | 1,178 | 41% of its land |
| 17845 | Millmont | 2,058 | 775 | $66,510 | $197,200 | 78.3% | 30.8% | 5.5% | 2 | 1,005 | 100% of its land |
| 17855 | New Berlin | 1,014 | 394 | $88,929 | $216,700 | 87.3% | 29.4% | 5.8% | 1 | 201 | 100% of its land |
| 17886 | West Milton | 804 | 415 | $47,574 | $174,200 | 53.5% | 11.6% | 33.6% | 1 | 214 | 100% of its land |
| 17887 | Union County | 591 | 252 | — | $160,400 | 78.6% | 27.8% | 0.0% | — | — | 100% of its land |
| 17829 | Hartleton | 212 | 91 | $80,417 | $137,500 | 71.4% | 25.3% | 2.4% | — | — | 100% of its land |
| 17885 | Union County | 181 | 85 | $92,917 | $342,300 | 97.6% | 17.6% | 0.0% | — | — | 100% of its land |
| 17835 | Laurelton | 114 | 22 | $48,611 | $158,300 | 100.0% | 86.4% | 0.0% | — | — | 100% of its land |
| 17880 | Union County | 29 | 10 | $61,667 | — | 0.0% | 30.0% | 0.0% | — | — | 100% of its land |
A ZIP code is listed for Union County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Lewisburg — 5,257 residents · 1 ZIP code
- Mifflinburg — 3,473 residents · 1 ZIP code
- Linntown — 1,764 residents · 1 ZIP code
- West Milton — 804 residents · 1 ZIP code
- New Berlin — 781 residents · 1 ZIP code
- New Columbia — 766 residents · 1 ZIP code
- Vicksburg — 289 residents · 1 ZIP code
- Laurelton — 258 residents · 2 ZIP codes
- Hartleton — 248 residents · 2 ZIP codes
Rankings
- Richest ZIP codes in Union County — 7 ZIP codes ranked
- ZIP codes with the highest home values in Union County — 7 ZIP codes ranked
- ZIP codes with the highest homeownership in Union County — 7 ZIP codes ranked
- ZIP codes with the most families with kids in Union County — 7 ZIP codes ranked
- ZIP codes with the most new movers in Union County — 7 ZIP codes ranked
- Youngest ZIP codes in Union County — 7 ZIP codes ranked
- Oldest ZIP codes in Union County — 7 ZIP codes ranked
- Fastest-growing ZIP codes in Union County — 7 ZIP codes ranked
Price a mailing to Union County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Union County, PA?
- 17837, 17844, 17810, 17856, 17889, 17845, 17855, 17886, 17887, 17829, 17885, 17835 and 17880. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Union County?
- 42,456 residents in 14,546 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Union County?
- $76,404 for the county as a whole. Its ZIP codes range from $66,510 (17845) to $91,661 (17856).
- Which Union County ZIP code has the highest median household income?
- 17856, at $91,661, among ZIP codes with at least 1,000 residents. See the full ranking of Union County ZIP codes by income.
- How many carrier routes and mailboxes are in Union County?
- For the 8 of 13 ZIP codes in EDDM2GO's stored route library: 32 carrier routes reaching 15,494 residential and 1,134 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.