
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
EPA puts Pontotoc County in Zone 2, its middle radon zone. Homes with elevated levels occur in all three zones, so only a test measures yours.
Data checked By Radon411Methodology
Nearest county
18.6%
Franklin County, 70 miles
Share at 4+ pCi/L, 210 tests, 2006 to 2015
Ground above low
43.1%
34.9 pts above MS
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 2
Moderate potential
1 highest, 3 lowest
EPA predicts 2 to 4 pCi/L indoors
Read a result for Pontotoc County
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
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
Pontotoc County, At a glance
Predicted: EPA radon zone
Pontotoc County is a
USGS geologic potential: Low across 57% of the county's area
Predicted: EPA Map of Radon Zones
Measured: tests reported to CDC
CDC has published no radon test figures for Pontotoc County. Franklin County, AL, 70 miles away, is the nearest county with a figure over the 2006 to 2015 laboratory totals.
Pontotoc County, Compared
CDC publishes no radon test figure for Pontotoc County, and none for any other Mississippi county: its counts over the 2006 to 2015 laboratory totals cover 2,669 counties elsewhere in the country. 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 Franklin County, AL (70 miles away) at 18.6%, Fayette County, TN (70 miles away) at 13.1% and McNairy County, TN (71 miles away) at 8.2%.
EPA's 1993 map puts Pontotoc County in Zone 2, its middle label: a predicted county average between 2 and 4 pCi/L. USGS geology rates 57% of the county's land low radon potential.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Pontotoc County, Geology
USGS's geologic map splits Pontotoc County: 56.9% of its land is low radon potential and 43.1% moderate. The map puts 56.9% of Pontotoc County in the area it calls North Central Hills/Flatwoods and 43.1% in Pontotoc Ridge/Black Prairies. USGS gives the first a radon index of 8, in the low band (5 to 8), and the second 9, in the moderate band (9 to 11).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| North Central Hills/Flatwoods | Tertiary nonmarine to deltaic sediments ranging from sand to clay. | Low | 8 | 56.9% |
| Pontotoc Ridge/Black Prairies | Glauconitic sand, clay, sandy limestone, micaceous chalk, and lime. | Moderate | 9 | 43.1% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Across Mississippi 0.1% of the land is rated high; none of Pontotoc County's is. Of the 5 counties that border it, 3 have more moderate-potential ground, Lee County the most at 97.6%.
The map rates the ground, not the air in any home.
Local help
Pontotoc County, Local resources
What it means
Pontotoc County, Questions
No CDC testing statistics are published here for Pontotoc County, Mississippi yet. Of the 8 nearest counties with a figure, within 96 miles, the share of tests at or above 4 pCi/L runs from 0.0% to 36.6%.
Pontotoc County borders 5 counties: Union County, Lee County, Chickasaw County, Lafayette County and Calhoun County.
Products
Pontotoc County, Products
No CDC figure names Pontotoc County; the nearest county with one, Franklin County, AL (70 miles away), reported 18.6% 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. In Zone 2 a short-term kit (2 to 90 days) is the quick first check in Pontotoc County; a long-term test tells the year-round average.
Test kits and monitors: 1 of 3
Explore
Pontotoc County, Bordering counties
counties bordering Pontotoc County: 1 of 5
Pontotoc County, Cities and towns
The Census Bureau estimates 32,096 residents in Pontotoc County for July 1, 2025, 901 more than in 2020 (+2.9%). That works out to 64 people per square mile of land. No town dominates: Pontotoc, the largest, has 6,156 residents, 19.2% of the total.
From Pontotoc to Toccopola, CDC publishes no figure by town: each reads Pontotoc County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Pontotoc | 6,156 | +9.1% | 19.2% |
| Ecru | 1,113 | +3.9% | 3.5% |
| Algoma | 723 | +2.1% | 2.3% |
| Thaxton | 692 | −0.4% | 2.2% |
| Shermanextends beyond Pontotoc County | 680 | +13.3% | Counted whole |
| Toccopola | 289 | +3.2% | 0.9% |
6 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 Pontotoc County is counted whole, so it has no share.
Pontotoc County, Homes
Of Pontotoc County's 14,076 homes, 68% are detached houses, against 69% across Mississippi; 27% are mobile homes. Half of its homes were built before 1986, close to Mississippi's 1986: 16% date from before 1960 and 29% from 2000 or later. 71% of occupied homes are lived in by their owner (Mississippi: 69%); in the rest a tenant can run a test, but a fix is the landlord's to make.
| Homes | Pontotoc County | Mississippi |
|---|---|---|
| Housing units | 14,076 | 1,332,811 |
| Detached houses | 68% | 69% |
| In buildings of 5 or more | 1% | 9% |
| Mobile homes | 27% | 15% |
| Built before 1960 | 16% | 15% |
| Built since 2000 | 29% | 28% |
| Middle year built | 1986 | 1986 |
| Owner-occupied | 71% | 69% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.