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Radon Levels in Okfuskee County, Oklahoma

EPA puts Okfuskee County in Zone 3, its lowest radon zone. Homes with elevated levels occur in all three zones, so only a test measures yours.

Data checked By Radon411Methodology

  • Nearest county

    6.0%

    Tulsa County, 50 miles

    Tulsa
    6.0%
    Oklahoma
    12.6%

    Share at 4+ pCi/L, 300 tests, 2006 to 2015

  • Ground above low

    None

    15.2 pts below Oklahoma

    Okfuskee
    0.0%
    Oklahoma
    15.2%

    Share of land USGS rates moderate or high potential

  • Tests reported

    0

    None published

    A home here needs its own test

  • EPA radon zone

    Zone 3

    Lower potential

    1. 1
    2. 2
    3. Zone 3

    1 highest, 3 lowest

    EPA predicts under 2 pCi/L indoors

Read a result for Okfuskee County

Starts at EPA's action level

4.0pCi/L

EPA’s own thresholds; the figures are the area’s, never this home’s.

EPA’s reading of 4.0 pCi/L

At or above 4 pCi/L

  1. Under 20 to 1.9 pCi/L
  2. 2 to 4consider a fix
  3. 4 and aboveEPA says fix it

This result is at or above 4 pCi/L. EPA recommends fixing a home when the radon level is 4 pCi/L or higher.

The data

Okfuskee County, At a glance

Okfuskee County at a glance

Predicted: EPA radon zone

EPA Zone 3: lower predicted potential

is EPA's lowest class, and its forecast for Okfuskee County as a whole is an average indoor of less than 2 pCi/L (less than 75 Bq/m³). A low zone clears no address in it: homes above EPA's turn up in all three zones.

USGS geologic potential: Low across 100% of the county's area

Predicted: EPA Map of Radon Zones

Measured: tests reported to CDC

No CDC test figures here

CDC has published no radon test figures for Okfuskee County. Tulsa County, 50 miles away, is the nearest county with a figure over the 2006 to 2015 laboratory totals.

How to read these figures

Okfuskee County, Compared

Okfuskee County radon figures, compared

Calculated by Radon411

CDC's county radon counts over the 2006 to 2015 laboratory totals cover 53 Oklahoma counties, and Okfuskee County is not among them: no year's figure and no ten-year laboratory total names it. Pooled across 53 Oklahoma counties, 12.6% of reported tests reached that level; across every county in the country with a figure, 36.3%.

The nearest counties with a figure are Tulsa County (50 miles away) at 6.0%, Oklahoma County (61 miles away) at 8.9% and Cherokee County (80 miles away) at 32.0%. Statewide for the same period, Delaware County reported the highest share (44.7%) and Tulsa County the lowest (6.0%).

EPA's 1993 map puts Okfuskee County in Zone 3, its lowest label: a predicted county average under 2 pCi/L. USGS geology rates 100% of the county's land low radon potential.

Oklahoma, the United States and the counties around Okfuskee County, 2006 to 2015, laboratory
AreaTestsAt or above 4 pCi/LMedian
Oklahoma, pooled53 counties, pooled86012.6%Not pooled
United States, pooled2,669 counties, pooled1,805,52836.3%Not pooled
Delaware Countyhighest in the state3844.7%2.5 pCi/L
Tulsa Countylowest in the state3006.0%0.9 pCi/L
Pottawatomie County, OKborders it119.1%0.1 pCi/L
Creek County, OKborders it90.0%0.8 pCi/L
Okmulgee County, OKborders it30.0%0.8 pCi/L
McIntosh County, OKborders it20.0%1.3 pCi/L
Lincoln County, OKborders it50.0%1.1 pCi/L
The nearest Oklahoma counties to Okfuskee County with 30 or more tests, 2006 to 2015, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Tulsa County50 mi3006.0%0.9 pCi/L
Oklahoma County61 mi1358.9%0.9 pCi/L
Cherokee County80 mi5032.0%1.9 pCi/L
Washington County89 mi5311.3%1.9 pCi/L
Delaware County107 mi3844.7%2.5 pCi/L

Pooled shares: Radon411's sum of CDC's county counts for one period.

Okfuskee County, Geology

The ground under Okfuskee County

Predicted

USGS's geologic map puts all of Okfuskee County's mapped land in one class: low radon potential. All of it lies in the area the map calls Central Oklahoma Plains and Hills, to which USGS gives a radon index of 7, in the low band (5 to 8).

USGS's geologic areas under Okfuskee County
AreaThe rock, in USGS's wordsPotentialRadon indexShare of land
Central Oklahoma Plains and HillsNonmarine Permian and Tertiary rocks, including shale, sandstone, and conglomerate in the western part, and Mississippian and Pennsylvanian rocks in the eastern part.Low7100%

Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.

Okfuskee County beside the ground around it

Across Oklahoma 0.6% of the land is rated high; none of Okfuskee County's is. None of the 7 counties that border it has any moderate-potential ground either.

Share of land by USGS radon potential: Okfuskee County, the 7 counties bordering it and Oklahoma
AreaEPA zoneLow potentialModerate potentialHigh potential
Okfuskee CountyZone 3100%NoneNone
Okmulgee CountyZone 3100%NoneNone
Seminole CountyZone 3100%NoneNone
Creek CountyZone 3100%NoneNone
Hughes CountyZone 3100%NoneNone
McIntosh CountyZone 3100%NoneNone
Lincoln CountyZone 3100%NoneNone
Pottawatomie CountyZone 3100%NoneNone
Oklahoma77 counties, pooled by land areaVaries84.8%14.6%0.6%

The map rates the ground, not the air in any home.

What it means

Okfuskee County, Questions

Questions about radon in Okfuskee County

Are radon levels high in Okfuskee County?

No CDC testing statistics are published here for Okfuskee County, Oklahoma yet. Of the 5 nearest counties with a figure, within 107 miles, the share of tests at or above 4 pCi/L runs from 6.0% to 44.7%.

Which counties border Okfuskee County?

Okfuskee County borders 7 counties: Okmulgee County, Seminole County, Creek County, Hughes County, McIntosh County, Lincoln County and Pottawatomie County.

Products

Okfuskee County, Products

Testing a home in Okfuskee County

No CDC figure names Okfuskee County; the nearest county with one, Tulsa County (50 miles away), reported 6.0% of its tests at or above 4 pCi/L over the 2006 to 2015 laboratory totals, the only reading nearby until a test of this home. Zone 3 is the lowest label, yet homes at or above 4 pCi/L occur in every zone: a short-term kit (2 to 90 days) is the quick first check in Okfuskee County.

Test kits and monitors3

See every kit and monitor

Best radon monitors for Okfuskee County homes, compared

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Okfuskee County, Bordering counties

Counties bordering Okfuskee County

Calculated by Radon411

Okfuskee County, Cities and towns

Cities and towns in Okfuskee County

The Census Bureau estimates 11,451 residents in Okfuskee County for July 1, 2025, 179 more than in 2020 (+1.6%). That works out to 19 people per square mile of land. Okmulgee, the largest place on its list (11,394 residents in all), extends beyond Okfuskee County, so no share of the total is worked out for it. CDC publishes no radon test count for Okfuskee County; across Oklahoma its counts for 2006 to 2015 come to 0.2 tests for every 1,000 residents (2025 estimate).

From Okmulgee to Clearview, CDC publishes no figure by town: each reads Okfuskee County's.

The cities and towns in Okfuskee County by residents, July 1, 2025
PlaceResidentsSince 2020Share of residents
Okmulgeeextends beyond Okfuskee County11,394+1.0%Counted whole
Okemah3,091+1.0%27.0%
Boley1,087+0.1%9.5%
Weleetka808+0.5%7.1%
Paden427+1.9%3.7%
Castle173+2.4%1.5%
Bearden137+2.2%1.2%
IXL62Level0.5%
Clearview36Level0.3%

9 incorporated places, as listed in the U.S. Census Bureau’s 2020 place reference files. Residents: U.S. Census Bureau population estimates for July 1, 2025 (Vintage 2025). A place that extends beyond Okfuskee County is counted whole, so it has no share.

Okfuskee County, Homes

Homes in Okfuskee County

Okfuskee County is a place of houses on their own lots: 75% of its 4,779 homes are detached single-family houses, against 73% across Oklahoma. Half of its homes were built before 1978, close to Oklahoma's 1980: 25% date from before 1960 and 21% from 2000 or later. 71% of occupied homes are lived in by their owner (Oklahoma: 66%); in the rest a tenant can run a test, but a fix is the landlord's to make.

Homes in Okfuskee County, Oklahoma, 2019 to 2023
HomesOkfuskee CountyOklahoma
Housing units4,7791,763,036
Detached houses75%73%
In buildings of 5 or more1%12%
Mobile homes16%9%
Built before 196025%21%
Built since 200021%25%
Middle year built19781980
Owner-occupied71%66%

Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.