Residential delivery area · Pennsylvania
ZIP Code 17870: Selinsgrove, PA
ZIP code 17870 uses the postal name Selinsgrove, Pennsylvania and lies mostly in Snyder County (98% of its land) with the rest in Union County (Census 2020 ZIP-county file). About 14,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $70,339 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Selinsgrove (4%), Kratzerville (2%) and Hummels Wharf (2%), and under 1% in smaller places; 92% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Selinsgrove · its only residential ZIP
- County
- Snyder County (98%); Union County (2%)
- Census places
- Selinsgrove (4%); Kratzerville (2%) census-designated place; Hummels Wharf (2%) census-designated place
- Micro area
- Selinsgrove, PA
- House district
- PA-15 119th Congress
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 45.8 sq mi · 316 people per sq mi
Where is ZIP code 17870?
17870 centers on 40.808°, -76.888° and covers 45.8 square miles of land plus 0.8 of water. It borders 8 ZIP codes: 17876, 17889, 17827, 17801, 17864, 17842, 17857, 17853.
The map draws ZIP code areas only. For the streets inside 17870, 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 17870 compare with the rest of Snyder County?
| Measure | 17870 | In Snyder County | In PA |
|---|---|---|---|
| People (ACS 2020-2024) | 14,490 | 1st of 15 | 302nd of 1,833 |
| Median household income | $70k | 6th of 11 | 577th of 1,015 |
| Median home value | $237k | 2nd of 12 | 450th of 1,069 |
Its median household income is higher than in 47% 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 17870?
The 2020 Census counted 14,730 people in 17870; the ACS, which samples households over 2020-2024, estimates 14,490. Between the 2010 and 2020 censuses its population grew 1.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 14,490
- 2020 Census count
- 14,730+1.1% since 2010 (14,564)
- Households
- 5,207
- Median age
- 41.7
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 17870?
Of the 14,490 people the ACS estimates in 17870, 14.4% are under 18 and 25.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (91.8%).
- Under 1814.4%
- 18 to 6460.6%
- 65 and older25.0%
- White, not Hispanic91.8%
- Hispanic or Latino3.3%
- Other or two or more2.0%
- Black, not Hispanic1.6%
- Asian, not Hispanic1.3%
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 17870 earn?
Median household income is $70,339 (ACS 2020-2024), the 6th highest of the 11 ranked ZIP codes in Snyder County. It fell from $82,380 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $70,339
- Income per person
- $34,263
- Below the poverty line
- 7.6%
- Unemployed (of the labor force)
- 2.4%
- Adults 25+ with a bachelor's degree
- 29.5%
- Adjusted gross income per tax return, 2022
- $73,6336,390 returns; wages 64% 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 17870?
FHFA's house price index for 17870, built from repeat sales and appraisals of the same homes, rose 60% from 2015 to 2025 and rose 42% from 2020 to 2025, and moved −2.7% in 2025.
- Median home value (owners' estimate)
- $236,800
- Median gross rent
- $973
- Homes owned by their occupants
- 73.8%
- Housing units
- 5,815
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 17870?
394 business establishments had a location in this ZIP code in 2023, 9 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade91
- Health care and social assistance58
- Other services (except public administration)52
- Accommodation and food services40
- Construction27
- Finance and insurance21
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 17870?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 17876 | Shamokin Dam | 1,827 | $71k | 4.7 mi |
| 17889 | Winfield | 3,039 | $89k | 5.1 mi |
| 17827 | Freeburg | 877 | $62k | 5.7 mi |
| 17801 | Sunbury | 16,429 | $61k | 6.9 mi |
| 17864 | Port Trevorton | 2,495 | $80k | 7.2 mi |
| 17842 | Middleburg | 8,266 | $63k | 8.2 mi |
| 17857 | Northumberland | 7,671 | $67k | 10.5 mi |
| 17853 | Mount Pleasant Mills | 2,993 | $64k | 10.5 mi |
| 17855 | New Berlin | 1,014 | $89k | 7.0 mi (near) |
| 17823 | Dornsife | 1,258 | $79k | 7.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.