Boundary Atlas

ZIP code 74021: Collinsville, OK

ZIP code 74021 is in Collinsville (37% of residents) and Owasso (16%), in Tulsa County (78%), Rogers County (19%) and Washington County (2.4%), Oklahoma. 47% of its residents live outside city limits. It is in Oklahoma's 1st congressional district (78%) and Oklahoma's 2nd congressional district (22%). Its state senate districts are State Senate District 2 (79%), State Senate District 10 (18%) and State Senate District 29 (2.4%); its state house districts are State House District 11 (61%), State House District 9 (32%), State House District 6 (5.4%) and State House District 74 (1.8%).

21,567residents (2020 Census)
67.0 sq miland area
3cities and towns
2congressional districts
11voting precincts

See it on the mapAll of Oklahoma

City and county

City or townShare of ZIP residents
Collinsville37%
Owasso16%
Vera0.2%

CountyShare of ZIP residents
Tulsa County78%
Rogers County19%
Washington County2.4%

Town or county subdivisionShare of ZIP residents
North Tulsa CCD58%
Tulsa CCD20%
Catoosa CCD19%
Ochelata-Ramona CCD2.4%

Congressional districts

Congressional districtShare of ZIP residents
Oklahoma's 1st congressional district (OK-01)78%
Oklahoma's 2nd congressional district (OK-02)22%

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 (OK-01)Kevin Hern (R)202-225-221178%
U.S. Representative (OK-02)Josh Brecheen (R)202-225-270122%
U.S. SenatorAlan Armstrong (R)202-224-4721statewide
U.S. SenatorJames Lankford (R)202-224-5754 · contact formstatewide
State Senator (State Senate District 2)Ally Seifried (R)79%
State Senator (State Senate District 10)Bill Coleman (R)18%
State Senator (State Senate District 29)Julie Daniels (R)2.4%
State Representative (State House District 11)John Kane (R)61%
State Representative (State House District 9)Mark Lepak (R)32%
State Representative (State House District 6)Rusty Cornwell (R)5.4%
State Representative (State House District 74)Kevin Norwood (R)1.8%

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 279%
State Senate District 1018%
State Senate District 292.4%

State house districtShare of ZIP residents
State House District 1161%
State House District 932%
State House District 65.4%
State House District 741.8%

Voting precincts

11 voting precincts overlap ZIP 74021. Map them, with each precinct's share of the ZIP's residents.

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ZIP 74021 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.