Residential delivery area · Pennsylvania
ZIP Code 17856: New Columbia, PA
ZIP code 17856 uses the postal name New Columbia, Pennsylvania and lies entirely in Union County (Census 2020 ZIP-county file). About 3,200 people live there (Census Bureau, ACS 2020-2024). Median household income is $91,661 (Census Bureau, ACS 2020-2024). By Census place, 4% of its land lies in New Columbia (a census-designated place); 96% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- New Columbia · its only residential ZIP
- County
- Union County
- Census places
- New Columbia census-designated place
- Micro area
- Lewisburg, PA
- House district
- PA-15 119th Congress
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 48.8 sq mi · 65 people per sq mi
Where is ZIP code 17856?
17856 centers on 41.045°, -77.008° and covers 48.8 square miles of land plus 0.2 of water. It borders 7 ZIP codes: 17810, 17837, 17887, 17844, 17886, 17847, 17777.
The map draws ZIP code areas only. For the streets inside 17856, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 17856 compare with the rest of Union County?
| Measure | 17856 | In Union County | In PA |
|---|---|---|---|
| People (ACS 2020-2024) | 3,167 | 5th of 14 | 790th of 1,833 |
| Median household income | $92k | 1st of 7 | 265th of 1,015 |
| Median home value | $198k | 6th of 7 | 631st of 1,069 |
Its median household income is higher than in 75% of U.S. residential ZIP codes, and it is denser than 47% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 17856?
The 2020 Census counted 3,473 people in 17856; the ACS, which samples households over 2020-2024, estimates 3,167. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 3,167±410 (90% margin)
- 2020 Census count
- 3,473
- Households
- 1,339
- Median age
- 46.4
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 17856?
Of the 3,167 people the ACS estimates in 17856, 17.8% are under 18 and 17.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (98.1%).
- Under 1817.8%
- 18 to 6465.0%
- 65 and older17.1%
- White, not Hispanic98.1%
- Other or two or more1.2%
- Asian, not Hispanic0.5%
- Black, not Hispanic0.2%
- Hispanic or Latino0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 17856 earn?
Median household income is $91,661 (ACS 2020-2024), the highest of the 7 ranked ZIP codes in Union County.
- Median household income
- $91,661±$12,276
- Income per person
- $42,783
- Below the poverty line
- 3.7%
- Unemployed (of the labor force)
- 2.4%
- Adults 25+ with a bachelor's degree
- 23.5%
- Adjusted gross income per tax return, 2022
- $65,5681,710 returns; wages 70% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 17856?
FHFA's house price index for 17856, built from repeat sales and appraisals of the same homes, rose 72% from 2015 to 2025 and rose 35% from 2020 to 2025.
- Median home value (owners' estimate)
- $197,600
- Median gross rent
- $900
- Homes owned by their occupants
- 93.7%
- Housing units
- 1,409
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 17856?
49 business establishments had a location in this ZIP code in 2023, 1 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade9
- Transportation and warehousing8
- Wholesale trade7
- Construction5
- Other services (except public administration)5
- Accommodation and food services4
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 17856?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 17810 | Allenwood | 5,309 | $77k | 4.2 mi |
| 17837 | Lewisburg | 18,403 | $89k | 5.8 mi |
| 17887 | White Deer | 591 | – | 6.2 mi |
| 17844 | Mifflinburg | 10,291 | $68k | 7.1 mi |
| 17886 | West Milton | 804 | $48k | 7.1 mi |
| 17847 | Milton | 11,260 | $59k | 10.6 mi |
| 17777 | Watsontown | 7,030 | $67k | 10.6 mi |
| 17730 | Dewart | 11 | – | 8.1 mi (near) |
| 17850 | Montandon | 576 | $51k | 9.5 mi (near) |
| 17702 | Williamsport | 10,488 | $70k | 10.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.