Residential delivery area · Pennsylvania
ZIP Code 17837: Lewisburg, PA
ZIP code 17837 uses the postal name Lewisburg, Pennsylvania and lies entirely in Union County (Census 2020 ZIP-county file). About 18,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $88,975 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Lewisburg (2%) and Linntown (1%); 97% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Lewisburg · its only residential ZIP
- County
- Union County
- Census places
- Lewisburg (2%); Linntown (1%) census-designated place
- Micro area
- Lewisburg, PA
- House district
- PA-15 119th Congress
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 56.2 sq mi · 328 people per sq mi
Where is ZIP code 17837?
17837 centers on 40.975°, -76.945° and covers 56.2 square miles of land plus 0.3 of water. It borders 5 ZIP codes: 17886, 17856, 17889, 17847, 17844.
The map draws ZIP code areas only. For the streets inside 17837, 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 17837 compare with the rest of Union County?
| Measure | 17837 | In Union County | In PA |
|---|---|---|---|
| People (ACS 2020-2024) | 18,403 | 1st of 14 | 224th of 1,833 |
| Median household income | $89k | 3rd of 7 | 295th of 1,015 |
| Median home value | $288k | 2nd of 7 | 295th of 1,069 |
Its median household income is higher than in 72% of U.S. residential ZIP codes, and it is denser than 68% 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 17837?
The 2020 Census counted 18,734 people in 17837; the ACS, which samples households over 2020-2024, estimates 18,403. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 18,403
- 2020 Census count
- 18,734
- Households
- 5,969
- Median age
- 37.4
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 17837?
Of the 18,403 people the ACS estimates in 17837, 13.8% are under 18 and 21.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (85.5%).
- Under 1813.8%
- 18 to 6464.3%
- 65 and older21.9%
- White, not Hispanic85.5%
- Hispanic or Latino5.3%
- Black, not Hispanic4.5%
- Asian, not Hispanic3.2%
- Other or two or more1.4%
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 17837 earn?
Median household income is $88,975 (ACS 2020-2024), the 3rd highest of the 7 ranked ZIP codes in Union County.
- Median household income
- $88,975±$10,267
- Income per person
- $40,830
- Below the poverty line
- 9.5%
- Unemployed (of the labor force)
- 1.2%
- Adults 25+ with a bachelor's degree
- 39.4%
- Adjusted gross income per tax return, 2022
- $102,3767,100 returns; wages 61% 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 17837?
FHFA's house price index for 17837, built from repeat sales and appraisals of the same homes, rose 55% from 2015 to 2025 and rose 43% from 2020 to 2025, and moved +9.8% in 2025.
- Median home value (owners' estimate)
- $288,100
- Median gross rent
- $1,026
- Homes owned by their occupants
- 66.0%
- Housing units
- 6,472
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 17837?
563 business establishments had a location in this ZIP code in 2023, 17 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance118
- Retail trade76
- Other services (except public administration)72
- Accommodation and food services60
- Professional, scientific, and technical services44
- Finance and insurance41
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 17837?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 17886 | West Milton | 804 | $48k | 4.7 mi |
| 17856 | New Columbia | 3,167 | $92k | 5.8 mi |
| 17889 | Winfield | 3,039 | $89k | 6.8 mi |
| 17847 | Milton | 11,260 | $59k | 7.4 mi |
| 17844 | Mifflinburg | 10,291 | $68k | 7.4 mi |
| 17850 | Montandon | 576 | $51k | 4.5 mi (near) |
| 17855 | New Berlin | 1,014 | $89k | 6.0 mi (near) |
| 17887 | White Deer | 591 | – | 7.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.