Boundary Atlas

ZIP code 17821: Danville, PA

ZIP code 17821 is in Danville (23% of residents) and Riverside (6.8%), in Montour County (84%), Northumberland County (13%) and Columbia County (2.3%), Pennsylvania. 71% of its residents live outside city limits. It is in Pennsylvania's 9th congressional district. Its state senate district is State Senate District 27; its state house districts are State House District 108 (97%), State House District 109 (2.3%) and State House District 107 (0.4%).

18,663residents (2020 Census)
134.4 sq miland area
3cities and towns
1congressional district
21voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Danville23%
Riverside6.8%
Snydertown<0.1%

CountyShare of ZIP residents
Montour County84%
Northumberland County13%
Columbia County2.3%

Town or county subdivisionShare of ZIP residents
Mahoning township24%
Danville borough23%
Valley township12%
Liberty township8.7%
Riverside borough6.8%
Rush township6.0%
Derry township5.6%
Cooper township5.1%
Anthony township2.9%
West Hemlock township2.3%
Hemlock township1.1%
Limestone township1.0%
Madison township0.7%
Montour township0.5%
Shamokin township0.4%
Mayberry township0.3%
Snydertown borough<0.1%

Congressional district

Congressional districtShare of ZIP residents
Pennsylvania's 9th congressional district (PA-09)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (PA-09)Daniel Meuser (R)202-225-6511100%
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 27)Lynda Culver (R)570-387-4267100%
State Representative (State House District 108)Michael Stender (R)570-275-370097%
State Representative (State House District 109)Robert Leadbeter (R)570-387-02462.3%
State Representative (State House District 107)Joanne Stehr (R)570-653-20180.4%

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 27100%

State house districtShare of ZIP residents
State House District 10897%
State House District 1092.3%
State House District 1070.4%

Voting precincts

21 voting precincts overlap ZIP 17821. Map them, with each precinct's share of the ZIP's residents.

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ZIP 17821 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.