Boundary Atlas

ZIP code 73018: Chickasha, OK

ZIP code 73018 is in Chickasha (81% of residents), in Grady County, Oklahoma. 19% of its residents live outside city limits. It is in Oklahoma's 4th congressional district. Its state senate districts are State Senate District 23 (100%) and State Senate District 43 (0.2%); its state house districts are State House District 56 (75%) and State House District 51 (25%).

19,806residents (2020 Census)
155.1 sq miland area
3cities and towns
1congressional district
15voting precincts

See it on the mapAll of Oklahoma

City and county

City or townShare of ZIP residents
Chickasha81%
Norge0.7%
Ninnekah0.6%

CountyShare of ZIP residents
Grady County100%

Town or county subdivisionShare of ZIP residents
Chickasha CCD91%
Amber-Pocasset CCD7.3%
Alex CCD1.6%

Congressional district

Congressional districtShare of ZIP residents
Oklahoma's 4th congressional district (OK-04)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (OK-04)Tom Cole (R)202-225-6165100%
U.S. SenatorAlan Armstrong (R)202-224-4721statewide
U.S. SenatorJames Lankford (R)202-224-5754 · contact formstatewide
State Senator (State Senate District 23)Lonnie Paxton (R)100%
State Senator (State Senate District 43)Kendal Sacchieri (R)0.2%
State Representative (State House District 56)Dick Lowe (R)75%
State Representative (State House District 51)Brad Boles (R)25%

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 23100%
State Senate District 430.2%

State house districtShare of ZIP residents
State House District 5675%
State House District 5125%

Voting precincts

15 voting precincts overlap ZIP 73018. Map them, with each precinct's share of the ZIP's residents.

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ZIP 73018 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.