Boundary Atlas

ZIP code 16229: Freeport, PA

ZIP code 16229 is in Freeport (35% of residents), in Armstrong County (81%), Butler County (16%) and Westmoreland County (2.8%), Pennsylvania. 65% of its residents live outside city limits. It is in Pennsylvania's 15th congressional district (81%), Pennsylvania's 16th congressional district (16%) and Pennsylvania's 14th congressional district (2.8%). Its state senate districts are State Senate District 41 (84%) and State Senate District 21 (16%); its state house districts are State House District 60 (84%) and State House District 11 (16%).

4,978residents (2020 Census)
26.8 sq miland area
2cities and towns
3congressional districts
7voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Freeport35%
Clinton0.7%

CountyShare of ZIP residents
Armstrong County81%
Butler County16%
Westmoreland County2.8%

Town or county subdivisionShare of ZIP residents
South Buffalo township46%
Freeport borough35%
Buffalo township16%
Allegheny township2.8%
Cadogan township0.4%

Congressional districts

Congressional districtShare of ZIP residents
Pennsylvania's 15th congressional district (PA-15)81%
Pennsylvania's 16th congressional district (PA-16)16%
Pennsylvania's 14th congressional district (PA-14)2.8%

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)202-225-512181%
U.S. Representative (PA-16)Mike Kelly (R)202-225-540616%
U.S. Representative (PA-14)Guy Reschenthaler (R)202-225-20652.8%
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)724-357-015184%
State Senator (State Senate District 21)Scott Hutchinson (R)814-677-634516%
State Representative (State House District 60)Abby Major (R)724-763-322284%
State Representative (State House District 11)Marci Mustello (R)724-283-585216%

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 4184%
State Senate District 2116%

State house districtShare of ZIP residents
State House District 6084%
State House District 1116%

Voting precincts

7 voting precincts overlap ZIP 16229. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

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:

related_geographies(id="us:zcta:16229")

ZIP 16229 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.