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Radon Levels in Choctaw County, Mississippi

EPA puts Choctaw 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

    10.1%

    Tuscaloosa County, 100 miles

    Tuscaloosa
    10.1%

    Share at 4+ pCi/L, 69 tests, 2006 to 2015

  • Ground above low

    None

    8.1 pts below MS

    Choctaw
    0.0%
    MS
    8.1%

    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 Choctaw 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

Choctaw County, At a glance

Choctaw County at a glance

Predicted: EPA radon zone

EPA Zone 3: lower predicted potential

is EPA's lowest class, and its forecast for Choctaw 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 Choctaw County. Tuscaloosa County, AL, 100 miles away, is the nearest county with a figure over the 2006 to 2015 laboratory totals.

How to read these figures

Choctaw County, Compared

Choctaw County radon figures, compared

Calculated by Radon411

Choctaw County is in a state CDC's county radon counts do not reach: no Mississippi county has a figure, while 2,669 counties elsewhere do over the 2006 to 2015 laboratory totals. Across every county in the country with a figure (2,669), 36.3% of reported tests reached that level; no Mississippi county contributes to that pool.

The nearest counties with a figure are Tuscaloosa County, AL (100 miles away) at 10.1%, Franklin County, AL (110 miles away) at 18.6% and Colbert County, AL (125 miles away) at 36.6%.

EPA's 1993 map puts Choctaw 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.

The United States and the counties around Choctaw County, 2006 to 2015, laboratory
AreaTestsAt or above 4 pCi/LMedian
United States, pooled2,669 counties, pooled1,805,52836.3%Not pooled
The nearest counties to Choctaw County with 30 or more tests, in any state, 2006 to 2015, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Tuscaloosa County, AL100 mi6910.1%1.1 pCi/L
Franklin County, AL110 mi21018.6%1.4 pCi/L
Colbert County, AL125 mi97836.6%2.7 pCi/L
Fayette County, TN128 mi8413.1%1.2 pCi/L
Shelby County, TN132 mi3417.0%1.0 pCi/L
McNairy County, TN132 mi498.2%1.0 pCi/L
Jefferson County, AL137 mi90410.6%1.3 pCi/L
Lawrence County, AL138 mi17514.9%1.7 pCi/L

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

Choctaw County, Geology

The ground under Choctaw County

Predicted

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

USGS's geologic areas under Choctaw County
AreaThe rock, in USGS's wordsPotentialRadon indexShare of land
North Central Hills/FlatwoodsTertiary nonmarine to deltaic sediments ranging from sand to clay.Low8100%

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

Choctaw County beside the ground around it

Across Mississippi 0.1% of the land is rated high; none of Choctaw County's is. Of the 5 counties that border it, 2 have more moderate-potential ground, Oktibbeha County the most at 49.2%.

Share of land by USGS radon potential: Choctaw County, the 5 counties bordering it and Mississippi
AreaEPA zoneLow potentialModerate potentialHigh potential
Choctaw CountyZone 3100%NoneNone
Webster CountyZone 3100%NoneNone
Oktibbeha CountyZone 350.8%49.2%None
Montgomery CountyZone 3100%NoneNone
Winston CountyZone 399.9%0.1%None
Attala CountyZone 3100%NoneNone
Mississippi82 counties, pooled by land areaVaries91.8%8.0%0.1%

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

What it means

Choctaw County, Questions

Questions about radon in Choctaw County

Are radon levels high in Choctaw County?

No CDC testing statistics are published here for Choctaw County, Mississippi yet. Of the 8 nearest counties with a figure, within 138 miles, the share of tests at or above 4 pCi/L runs from 7.0% to 36.6%.

Which counties border Choctaw County?

Choctaw County borders 5 counties: Webster County, Oktibbeha County, Montgomery County, Winston County and Attala County.

Products

Choctaw County, Products

Testing a home in Choctaw County

No CDC figure names Choctaw County; the nearest county with one, Tuscaloosa County, AL (100 miles away), reported 10.1% 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 Choctaw County.

Test kits and monitors3

See every kit and monitor

Best radon monitors for Choctaw County homes, compared

Explore

Choctaw County, Bordering counties

Counties bordering Choctaw County

Calculated by Radon411

Choctaw County, Cities and towns

Cities and towns in Choctaw County

About 8,048 people live in Choctaw County by the Census Bureau's estimate for July 1, 2025, 156 fewer than in 2020 (−1.9%). That works out to 19 people per square mile of land. No town dominates: Ackerman, the largest, has 1,536 residents, 19.1% of the total.

From Ackerman to French Camp, CDC publishes no figure by town: each reads Choctaw County's.

The cities and towns in Choctaw County by residents, July 1, 2025
PlaceResidentsSince 2020Share of residents
Ackerman1,536−1.0%19.1%
Mathistonextends beyond Choctaw County886+6.0%Counted whole
Weir433−1.8%5.4%
French Camp256−1.5%3.2%

4 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 Choctaw County is counted whole, so it has no share.

Choctaw County, Homes

Homes in Choctaw County

Choctaw County is a place of houses on their own lots: 76% of its 4,363 homes are detached single-family houses, against 69% across Mississippi. Half of its homes were built before 1983, close to Mississippi's 1986: 17% date from before 1960 and 23% from 2000 or later. Owners live in 80% of the occupied homes (Mississippi: 69%), so for most households a test and a fix are their own to order.

Homes in Choctaw County, Mississippi, 2019 to 2023
HomesChoctaw CountyMississippi
Housing units4,3631,332,811
Detached houses76%69%
In buildings of 5 or more2%9%
Mobile homes20%15%
Built before 196017%15%
Built since 200023%28%
Middle year built19831986
Owner-occupied80%69%

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