Boundary Atlas

ZIP code 16222: Dayton, PA

ZIP code 16222 is in Dayton (21% of residents) and Rural Valley (1.4%), in Armstrong County (90%), Indiana County (7.3%) and Jefferson County (2.5%), Pennsylvania. 77% of its residents live outside city limits. It is in Pennsylvania's 15th congressional district (95%) and Pennsylvania's 14th congressional district (4.6%). Its state senate district is State Senate District 41; its state house districts are State House District 63 (90%) and State House District 66 (9.8%).

2,557residents (2020 Census)
61.1 sq miland area
2cities and towns
2congressional districts
9voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Dayton21%
Rural Valley1.4%

CountyShare of ZIP residents
Armstrong County90%
Indiana County7.3%
Jefferson County2.5%

Town or county subdivisionShare of ZIP residents
Wayne township41%
Cowanshannock township24%
Dayton borough21%
South Mahoning township4.6%
West Mahoning township2.7%
Porter township2.5%
Redbank township1.8%
Rural Valley borough1.4%

Congressional districts

Congressional districtShare of ZIP residents
Pennsylvania's 15th congressional district (PA-15)95%
Pennsylvania's 14th congressional district (PA-14)4.6%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (PA-15)Glenn Thompson (R)202-225-512195%
U.S. Representative (PA-14)Guy Reschenthaler (R)202-225-20654.6%
U.S. SenatorDavid McCormick (R)202-224-6324 · contact formstatewide
U.S. SenatorJohn Fetterman (D)202-224-4254 · contact formstatewide
State Senator (State Senate District 41)Joe Pittman (R)724-357-0151100%
State Representative (State House District 63)Josh Bashline (R)724-954-361390%
State Representative (State House District 66)Brian Smith (R)814-849-80089.8%

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 41100%

State house districtShare of ZIP residents
State House District 6390%
State House District 669.8%

Voting precincts

9 voting precincts overlap ZIP 16222. Map them, with each precinct's share of the ZIP's residents.

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Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

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ZIP 16222 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.