What city is ZIP code 15561?

ZIP code 15561 is in Acosta, PA (Somerset County).

What county is ZIP code 15561 in?

ZIP code 15561 is mostly in Somerset County, Pennsylvania.

How many people live in ZIP code 15561?

About 179 people live in the 15561 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 15561

Acosta, PA, Somerset County

Population

179

Land area

0.3sq mi

People per sq mi

520

City

Acosta

ZIP 15561 and nearby ZIP codes

Full map

ZIP 15561 at a glance

ZIP 15561 (Acosta) is 79% denser than Pennsylvania as a whole.

Economy and federal money

Businesses, pandemic loans and political donations

Details

PPP loans

$7,207

1 loan

Campaign donations

$120

100% D, 0% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 15561, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: landslide

Storm events since 1996

592

Countywide, mostly thunderstorm wind

Flood insurance policies

257

0.9% of homes, county

July high / Jan low

75° / 14°F

56.6 inches of rain a year

Hazards, floods and storm history Check a flood zone

Frequently asked questions

What city is ZIP code 15561?: ZIP code 15561 is in Acosta, PA (Somerset County).
What county is ZIP code 15561 in?: ZIP code 15561 is mostly in Somerset County, Pennsylvania.
How many people live in ZIP code 15561?: About 179 people live in the 15561 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.