Boundary Atlas

ZIP code 45171: Lake Waynoka, OH

ZIP code 45171 is in Lake Waynoka (22% of residents), Sardinia (18%) and Buford (3.3%), in Brown County (77%) and Highland County (23%), Ohio. 57% of its residents live outside city limits. It is in Ohio's 2nd congressional district (77%) and Ohio's 15th congressional district (23%). Its state senate districts are State Senate District 14 (77%) and State Senate District 17 (23%); its state house districts are State House District 90 (75%), State House District 91 (23%) and State House District 63 (1.9%).

6,174residents (2020 Census)
80.9 sq miland area
3cities and towns
2congressional districts
10voting precincts

See it on the mapAll of Ohio

City and county

City or townShare of ZIP residents
Lake Waynoka22%
Sardinia18%
Buford3.3%

CountyShare of ZIP residents
Brown County77%
Highland County23%

Town or county subdivisionShare of ZIP residents
Washington township34%
Clay township16%
Jackson township15%
Eagle township13%
Franklin township13%
Whiteoak township6.6%
Scott township1.6%
Pike township0.3%
Salem township0.1%

Congressional districts

Congressional districtShare of ZIP residents
Ohio's 2nd congressional district (OH-02)77%
Ohio's 15th congressional district (OH-15)23%

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 (OH-02)David J. Taylor (R)202-225-316477%
U.S. Representative (OH-15)Mike Carey (R)202-225-201523%
U.S. SenatorBernie Moreno (R)202-224-2315statewide
U.S. SenatorJon Husted (R)202-224-3353statewide
State Senator (State Senate District 14)Terry Johnson (R)77%
State Senator (State Senate District 17)Shane Wilkin (R)23%
State Representative (State House District 90)Justin Pizzulli (R)75%
State Representative (State House District 91)Bob Peterson (R)23%
State Representative (State House District 63)Adam Bird (R)1.9%

Elected in 2024 under OH's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).

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 1477%
State Senate District 1723%

State house districtShare of ZIP residents
State House District 9075%
State House District 9123%
State House District 631.9%

Voting precincts

10 voting precincts overlap ZIP 45171. 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 45171 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.