Residential delivery area · Pennsylvania
ZIP Code 17237: Mont Alto, PA
ZIP code 17237 uses the postal name Mont Alto, Pennsylvania and lies entirely in Franklin County (Census 2020 ZIP-county file). About 1,800 people live there (Census Bureau, ACS 2020-2024). Median household income is $80,903 (Census Bureau, ACS 2020-2024). By Census place, 23% of its land lies in Mont Alto; 77% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2022
- ZBP2023
- IRS2022
- Town
- Mont Alto · its only residential ZIP
- County
- Franklin County
- Census places
- Mont Alto
- Metro area
- Chambersburg, PA
- House district
- PA-13 119th Congress
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 2.5 sq mi · 716 people per sq mi
Where is ZIP code 17237?
17237 centers on 39.837°, -77.541° and covers 2.5 square miles of land. It borders 3 ZIP codes: 17261, 17268, 17222.
The map draws ZIP code areas only. For the streets inside 17237, 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 17237 compare with the rest of Franklin County?
| Measure | 17237 | In Franklin County | In PA |
|---|---|---|---|
| People (ACS 2020-2024) | 1,759 | 11th of 31 | 996th of 1,833 |
| Median household income | $81k | 4th of 10 | 375th of 1,015 |
| Median home value | $194k | 11th of 11 | 659th of 1,069 |
Its median household income is higher than in 63% of U.S. residential ZIP codes, and it is denser than 75% 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 17237?
The 2020 Census counted 1,765 people in 17237; the ACS, which samples households over 2020-2024, estimates 1,759. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,759±217 (90% margin)
- 2020 Census count
- 1,765
- Households
- 669
- Median age
- 38.7
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 17237?
Of the 1,759 people the ACS estimates in 17237, 10.1% are under 18 and 12.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (82.7%), then Other or two or more (11.9%).
- Under 1810.1%
- 18 to 6477.1%
- 65 and older12.7%
- White, not Hispanic82.7%
- Other or two or more11.9%
- Black, not Hispanic2.6%
- Hispanic or Latino2.3%
- Asian, not Hispanic0.6%
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 17237 earn?
Median household income is $80,903 (ACS 2020-2024), the 4th highest of the 10 ranked ZIP codes in Franklin County.
- Median household income
- $80,903±$9,577
- Income per person
- $35,775
- Below the poverty line
- 9.8%
- Unemployed (of the labor force)
- 8.0%
- Adults 25+ with a bachelor's degree
- 16.7%
- Adjusted gross income per tax return, 2022
- $54,439870 returns; wages 77% 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 17237?
- Median home value (owners' estimate)
- $193,600
- Median gross rent
- $1,296
- Homes owned by their occupants
- 72.9%
- Housing units
- 687
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 17237?
16 business establishments had a location in this ZIP code in 2023, the same count as in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)4
- Construction3
- Health care and social assistance3
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 17237?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 17261 | South Mountain | 0 | – | 2.2 mi |
| 17268 | Waynesboro | 29,362 | $73k | 4.7 mi |
| 17222 | Fayetteville | 10,550 | $80k | 4.8 mi |
| 17247 | Quincy | 629 | $52k | 3.3 mi (near) |
| 17250 | Rouzerville | 0 | – | 7.0 mi (near) |
| 17214 | Blue Ridge Summit | 1,143 | $62k | 7.2 mi (near) |
| 17235 | Marion | 622 | – | 8.4 mi (near) |
| 17353 | Orrtanna | 2,825 | $100k | 8.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.