
Short-term kit![]()
RA400 short-term liquid scintillation radon test kit, lab fee included
- Lab fee included
Method: Liquid scintillation
In home: 48 to 96 hours
Locations and reports
EPA puts Itawamba 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
Highest bordering
18.6%
Franklin County
1 of 6 neighbours have 30+ tests, 2006 to 2015
Nearest county
18.6%
Franklin County, 32 miles
Share at 4+ pCi/L, 210 tests, 2006 to 2015
Ground above low
3.1%
5.0 pts below 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 3
Lower potential
1 highest, 3 lowest
EPA predicts under 2 pCi/L indoors
Read a result for Itawamba 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
Itawamba County, At a glance
Predicted: EPA radon zone
USGS geologic potential: Low across 97% of the county's area
Predicted: EPA Map of Radon Zones
Measured: tests reported to CDC
CDC has published no radon test figures for Itawamba County. Franklin County, AL, the one bordering county with a figure over the 2006 to 2015 laboratory totals, reported 18.6% of its tests at or above 4 pCi/L.
Itawamba County, Compared
CDC publishes no radon test figure for Itawamba 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.
Franklin County, AL, the one bordering county with a figure over the 2006 to 2015 laboratory totals, reported 18.6% of its tests at or above 4 pCi/L. Farther out, Colbert County, AL (43 miles away) at 36.6%, Lauderdale County, AL (59 miles away) at 27.1% and Lawrence County, AL (62 miles away) at 14.9% have figures too.
EPA's 1993 map puts Itawamba County in Zone 3, its lowest label: a predicted county average under 2 pCi/L. USGS geology rates 97% of the county's land low radon potential.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Itawamba County, Geology
Most of the ground under Itawamba County is one class on USGS's geologic map: 96.9% of its land is low radon potential, with 3.1% moderate. 96.9% of it lies in the area the map calls Tombigbee Hills, to which USGS gives a radon index of 8, in the low band (5 to 8).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Tombigbee Hills | Clay, sand, sandstone, chalk, chalky marl, quartzose, chert gravels, and quartz sand. | Low | 8 | 96.9% |
| Pontotoc Ridge/Black Prairies | Glauconitic sand, clay, sandy limestone, micaceous chalk, and lime. | Moderate | 9 | 3.1% |
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 Itawamba County's is. Of the 6 counties that border it, 2 have more high-potential ground, Franklin County, AL the most at 49.4%.
The map rates the ground, not the air in any home.
Local help
Itawamba County, Local resources
What it means
Itawamba County, Questions
No CDC testing statistics are published here for Itawamba County, Mississippi yet. Franklin County, AL, the one bordering county with a figure over the 2006 to 2015 laboratory totals, reported 18.6% of its tests at or above 4 pCi/L.
Itawamba County borders 6 counties: Lee County, MS, Monroe County, MS, Marion County, AL, Franklin County, AL, Tishomingo County, MS and Prentiss County, MS.
Products
Itawamba County, Products
No CDC figure names Itawamba County; the nearest county with one, Franklin County, AL (32 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. 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 Itawamba County.
Test kits and monitors: 1 of 3
Explore
Itawamba County, Bordering counties
18.6%at or above 4 pCi/L
Median 1.4 pCi/L · 210 tests
7.1%at or above 4 pCi/L
Median 1.2 pCi/L · 28 tests
No CDC figure for 2006 to 2015; its page reads it against its own neighbours.
No CDC figure for 2006 to 2015; its page reads it against its own neighbours.
No CDC figure for 2006 to 2015; its page reads it against its own neighbours.
No CDC figure for 2006 to 2015; its page reads it against its own neighbours.
Itawamba County, Cities and towns
The Census Bureau estimates 24,152 residents in Itawamba County for July 1, 2025, 297 more than in 2020 (+1.2%). That works out to 45 people per square mile of land. No town dominates: Fulton, the largest, has 4,640 residents, 19.2% of the total. Together its 3 incorporated places hold 25.9% of those residents; the other 74.1% live outside any of them.
From Fulton to Tremont, CDC publishes no figure by town: each reads Itawamba County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Fulton | 4,640 | +2.7% | 19.2% |
| Mantachie | 1,143 | +0.8% | 4.7% |
| Tremont | 473 | +0.6% | 2.0% |
3 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).
Itawamba County, Homes
Itawamba County is a place of houses on their own lots: 76% of its 10,515 homes are detached single-family houses, against 69% across Mississippi. Half of its homes were built before 1983, close to Mississippi's 1986: 13% date from before 1960 and 20% from 2000 or later. Owners live in 79% of the occupied homes (Mississippi: 69%), so for most households a test and a fix are their own to order.
| Homes | Itawamba County | Mississippi |
|---|---|---|
| Housing units | 10,515 | 1,332,811 |
| Detached houses | 76% | 69% |
| In buildings of 5 or more | 2% | 9% |
| Mobile homes | 20% | 15% |
| Built before 1960 | 13% | 15% |
| Built since 2000 | 20% | 28% |
| Middle year built | 1983 | 1986 |
| Owner-occupied | 79% | 69% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.