Short-term kitempowerDX
Standard Radon Test short-term mail-in radon test kit
- Lab fee included
Method: Passive sampler
In home: 48 to 96 hours
Locations and reports
Radon Levels in DeSoto County, Florida
EPA puts DeSoto County in Zone 3, its lowest radon zone, and only 1 radon test from it is on file with CDC (2023). Homes with elevated levels occur in all three zones, so only a test measures yours.
Data checked By Radon411Methodology
Share at 4+ pCi/L
18.8%
4.0 pts below FL
- DeSoto
- 18.8%
- Florida
- 22.8%
96 tests, 2022
Median result
2.3pCi/L
Below action level
- DeSoto
- 2.3 pCi/L
- EPA
- 4.0 pCi/L
Midpoint of the tests, 2022
Tests reported
96
29th of 40 by tests
- DeSoto
- 96
- Miami-Dade
- 9,033
Reported to CDC before any fix, 2022
EPA radon zone
Zone 3
Lower potential
- 1
- 2
- Zone 3
1 highest, 3 lowest
EPA predicts under 2 pCi/L indoors
Rank in Florida
10 of 40
Top quarter
- DeSoto
- 18.8%
- Palm Beach
- 54.7%
By share, of 40 with 30+ tests
Read a result for DeSoto County
Starts at DeSoto County's median, 2.3 pCi/L
EPA’s own thresholds; the figures are the area’s, never this home’s.
EPA’s reading of 2.3 pCi/L
Between 2 and 4 pCi/L
- Under 20 to 1.9 pCi/L
- 2 to 4consider a fix
- 4 and aboveEPA says fix it
This result is between 2 and 4 pCi/L. EPA recommends considering a fix when the level is between 2 and 4 pCi/L. DeSoto County's median reported result, 2022.
The data
DeSoto County, At a glance
DeSoto County at a glance
Predicted: EPA radon zone
EPA Zone 3: lower predicted potential
USGS geologic potential: Low across 100% of the county's area
Predicted: EPA Map of Radon Zones
Measured: tests reported to CDC
Radon tests reported for DeSoto County, 2023
| Year | Share of reported tests at or above 4 pCi/L |
|---|---|
| 2017 | 0.0% |
| 2020 | 0.0% |
| 2022 | 18.8% |
| 2023 | 0.0% |
2023: 0.0%. Across these years the share ran from 0.0% to 18.8%. Each column counts radon tests reported to CDC that year, not homes.
What these figures count
Only 1 test was reported to CDC for DeSoto County over 2023, and tests are often run on homes being sold or already suspected of a problem: so few describe neither the county nor this house.
Measured: CDC tracking data. Figure above: 2023. Measured data period: 2005 to 2023 (every CDC figure on file).
DeSoto County, Compared
DeSoto County radon figures, compared
Calculated by Radon411DeSoto County's 96 reported tests in 2022 had a middle value of 2.3 pCi/L and a maximum of 5.8 pCi/L, and 18.8% reached 4 pCi/L. Florida as a whole (54 Florida counties, pooled) comes to 22.8%: 4.0 points higher than here.
The newest figure, in 2023, counts only 1 test (0.0% at or above 4 pCi/L), too few to compare, so this reading uses the 96-test figure.
Among its state's counties it ranks 10th of 40 Florida counties with 30 or more tests for the same period. Statewide for the same period, Palm Beach County reported the highest share (54.7%) and Hardee County the lowest (0.0%).
Below the action level, 30 tests (31.3%) came in under 2 pCi/L, against 52.6% statewide, and 48 tests (50.0%) fell between 2 and 4, against 24.6% statewide. The busiest year on file was 2022, with 96 tests reported; the quietest, 2023, had 1.
EPA's 1993 zone map puts DeSoto County in Zone 3, a predicted county average under 2 pCi/L. USGS geology rates 100% of the county's land low radon potential.
Next door, the shares run from 0.0% in Hardee County to 27.3% in Charlotte County, with Manatee County and Hardee County below DeSoto County.
Pooled shares: Radon411's sum of CDC's county counts for one period.
DeSoto County, Geology
The ground under DeSoto County
PredictedUSGS's geologic map puts all of DeSoto County's mapped land in one class: low radon potential. All of it lies in the area the map calls Gulf/Atlantic Lowland and Central Highland, to which USGS gives a radon index of 6, in the low band (5 to 8).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Gulf/Atlantic Lowland and Central Highland | sand, silt, clay, gravel | Low | 6 | 99.9% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
DeSoto County beside the ground around it
Across Florida 7.1% of the land is rated moderate; none of DeSoto County's is. Of the 6 counties that border it, 2 have more moderate-potential ground, Hardee County the most at 25.7%.
The map rates the ground, not the air in any home.
Local help
DeSoto County, Local resources
Radon testing and mitigation in DeSoto County
- Florida’s Radon ProgramFlorida’s Radon Program, run by Florida Department of Health, licenses or certifies radon professionals and offers free or discounted test kits, and answers questions about testing and mitigation in Florida.Visit the program’s page(opens in a new tab)
- Free and low-cost kitsThe program says:
Protect your family by requesting a FREE radon test kit.
- Compare kits
- Professionals in Florida77 professionals are listed in Florida.
What Florida's program says
- Phone
- 850-245-4288
- PHtoxicology@FLhealth.gov
- Licensing of radon professionals
Florida Statutes require the certification of businesses and individuals providing radon services or any other radon related activity.
What it means
DeSoto County, Questions
Questions about radon in DeSoto County
Are radon levels high in DeSoto County?
In 2023, 0.0% of the radon tests reported to CDC for DeSoto County, Florida were at or above 4 pCi/L, and the median reported pre-mitigation result was 1.7 pCi/L. Of 40 Florida counties with 30 or more tests for the same period, 9 reported a higher share; pooled, the state comes to 22.8%.
Which counties border DeSoto County?
DeSoto County borders 6 counties: Charlotte County, Hardee County, Sarasota County, Highlands County, Glades County and Manatee County.
Products
DeSoto County, Products
Testing a home in DeSoto County
In DeSoto County, 18.8% of 96 tests reported to CDC in 2022 reached 4 pCi/L, against 22.8% pooled across Florida. 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 DeSoto County.
Test kits and monitors3
See every kit and monitor
Long-term kit
RL416 long-term radon test kit, lab fee included
- Lab fee included
Method: Alpha track
In home: 90 days to 12 months
Monitor
EcoQube Wi-Fi continuous radon monitor
- C-NRPP 2024/25: Approved
- Plug-in
- Wi-Fi
- App only
Method: Ion chamber
First reading: Within 10 minutes
- See every kit and monitor Test kits and monitors
Test kits and monitors: 1 of 3
Explore
DeSoto County, Bordering counties
Counties bordering DeSoto County
Calculated by Radon411- Radon levels in Charlotte CountyEPA zone 3
27.3%at or above 4 pCi/L
Median 2.9 pCi/L · 66 tests · 8.5 points above DeSoto County
- Radon levels in Sarasota CountyEPA zone 3
19.5%at or above 4 pCi/L
Median 1.8 pCi/L · 816 tests · 0.7 points above DeSoto County
- Radon levels in Manatee CountyEPA zone 3
18.5%at or above 4 pCi/L
Median 1.7 pCi/L · 1,263 tests · 0.3 points below DeSoto County
- Radon levels in Hardee CountyEPA zone 3
0.0%at or above 4 pCi/L
Median 2.5 pCi/L · 30 tests · 18.8 points below DeSoto County
- Radon levels in Highlands CountyEPA zone 3
0.0%at or above 4 pCi/L
Median 1.5 pCi/L · 27 tests · 18.8 points below DeSoto County
- Radon levels in Glades CountyEPA zone 3
No CDC figure for 2022; its page reads it against its own neighbours.
DeSoto County, Cities and towns
Cities and towns in DeSoto County
DeSoto County is growing: the Census Bureau puts it at 37,078 residents on July 1, 2025, up 8.8% from 34,093 in 2020. That works out to 58 people per square mile of land. Arcadia, its one incorporated place, has 8,046 residents, 21.7% of the total. CDC's 96 reported tests for 2022 work out to 2.6 per 1,000 residents (2025 estimate), close to Florida's 2.6.
Arcadia is the one incorporated place here; CDC publishes no figure by town, so it reads DeSoto County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Arcadia | 8,046 | +8.3% | 21.7% |
One incorporated place, 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).
DeSoto County, Homes
Homes in DeSoto County
Mobile homes are 36% of DeSoto County's 15,713 homes and detached houses 47%, against 55% across Florida. Half of its homes were built before 1989, close to Florida's 1988: 11% date from before 1960 and 34% from 2000 or later. 71% of occupied homes are lived in by their owner (Florida: 67%); in the rest a tenant can run a test, but a fix is the landlord's to make.
| Homes | DeSoto County | Florida |
|---|---|---|
| Housing units | 15,713 | 10,082,356 |
| Detached houses | 47% | 55% |
| In buildings of 5 or more | 7% | 25% |
| Mobile homes | 36% | 8% |
| Built before 1960 | 11% | 10% |
| Built since 2000 | 34% | 30% |
| Middle year built | 1989 | 1988 |
| Owner-occupied | 71% | 67% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.