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Ottawa County

county

Ottawa County, Oklahoma

Overview
Classification
County
FIPS Code
40115
Country
United States
County
Ottawa County
Geography
Region
Northeastern Oklahoma
Total Area
485 sq mi
Land Area
471 sq mi
Water Area
14 sq mi
Latitude
36.84
Longitude
-94.81
Notable Features
Ozark Plains (eastern part) · Neosho Lowlands (western part) · Neosho River · Spring River
Neighboring Areas
Cherokee County, KS · McDonald County, MO · Newton County, MO · Craig County, OK · Delaware County, OK
Demographics
Population (2020)
30,285
Est. Population (2026)
30,580
Median Age
37.3
Median Income
$48,656
Poverty Rate
20.87%
Owner-Occupied
67.3%
Racial & Ethnic Composition
62.9% White (Non-Hispanic), 18.7% American Indian & Alaska Native (Non-Hispanic), 9.26% Two Races Excluding Other, & Three or More Races (Non-Hispanic), 2.9% Other (Hispanic), 1.21% Two Races Including Other (Hispanic)
Governance
Government Type
Board of County Commissioners
Governing Body
Board of County Commissioners
Body Size
3 members
Municipal Services
Sheriff's Office · Assessor · County Clerk · Treasurer · Court Clerk · Election Board · Emergency Management · OSU Extension · Health Department
Economy
Unemployment Rate
3.4%
Economic Profile
Lead and zinc mining (historical) · Tourism
Employment Sectors
Health Care & Social Assistance · Manufacturing · Retail Trade
Major Employers
Ottawa County Courthouse · Walmart · Lowe's Home Improvement
Education
Schools
22
Students
5,682
School Districts
Afton Public Schools · Commerce Public Schools · Fairland Public Schools · Miami Public Schools · Quapaw Public Schools · Welch Public Schools · Wyandotte Public Schools · Turkey Ford Public School (elementary only)
Colleges & Universities
Northeastern Oklahoma A&M College (NEO)
History
Founded
1907
Named After
Ottawa Tribe of Oklahoma
Historical Significance
Part of the Tri-State district, a center of lead and zinc mining in the early 20th century; significant Native American presence
Key Events
Area inhabited by prehistoric indigenous peoples · Osage Nation moved into the area · Relocation of tribes under Indian Removal program · Lead and zinc mining boom · Establishment of Tar Creek Superfund Site · Closure of Picher due to environmental contamination