
Short-term kit![]()
RA100 short-term liquid scintillation radon test kit
- Lab fee extra
Method: Liquid scintillation
In home: 48 to 96 hours
Locations and reports
EPA puts Lauderdale 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, 90 miles
Share at 4+ pCi/L, 69 tests, 2006 to 2015
Ground above low
None
8.1 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 Lauderdale 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
Lauderdale County, At a glance
Predicted: EPA radon zone
USGS geologic potential: Low across 100% of the county's area
Predicted: EPA Map of Radon Zones
Measured: tests reported to CDC
CDC has published no radon test figures for Lauderdale County. Tuscaloosa County, AL, 90 miles away, is the nearest county with a figure over the 2006 to 2015 laboratory totals.
Lauderdale County, Compared
Lauderdale 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 (90 miles away) at 10.1%, Mobile County, AL (115 miles away) at 4.4% and Autauga County, AL (118 miles away) at 12.8%.
EPA's 1993 map puts Lauderdale 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.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Lauderdale County, Geology
USGS's geologic map puts all of Lauderdale 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).
| 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 | 100% |
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 Lauderdale County's is. Of the 7 counties that border it, 2 have more moderate-potential ground, Sumter County, AL the most at 58.2%.
The map rates the ground, not the air in any home.
Local help
Lauderdale County, Local resources
What it means
Lauderdale County, Questions
No CDC testing statistics are published here for Lauderdale County, Mississippi yet. Of the 8 nearest counties with a figure, within 147 miles, the share of tests at or above 4 pCi/L runs from 0.0% to 12.8%.
Lauderdale County borders 7 counties: Clarke County, MS, Newton County, MS, Kemper County, MS, Sumter County, AL, Neshoba County, MS, Jasper County, MS and Choctaw County, AL.
Products
Lauderdale County, Products
No CDC figure names Lauderdale County; the nearest county with one, Tuscaloosa County, AL (90 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 Lauderdale County.
Test kits and monitors: 1 of 3
Explore
Lauderdale County, Bordering counties
0.0%at or above 4 pCi/L
Median 2.3 pCi/L · 2 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.
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.
Lauderdale County, Cities and towns
About 70,317 people live in Lauderdale County by the Census Bureau's estimate for July 1, 2025, 2,361 fewer than in 2020 (−3.2%). That works out to 100 people per square mile of land. Its largest town, Meridian, has 33,370 residents, 47.5% of the total. Together its 2 incorporated places hold 49.9% of those residents; the other 50.1% live outside any of them.
From Meridian to Marion, CDC publishes no figure by town: each reads Lauderdale County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Meridian | 33,370 | −4.3% | 47.5% |
| Marion | 1,721 | −1.2% | 2.4% |
2 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).
Lauderdale County, Homes
Of Lauderdale County's 33,558 homes, 62% are detached houses, against 69% across Mississippi; 16% are mobile homes. Half of its homes were built before 1979, close to Mississippi's 1986: 21% date from before 1960 and 21% from 2000 or later. 63% 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 | Lauderdale County | Mississippi |
|---|---|---|
| Housing units | 33,558 | 1,332,811 |
| Detached houses | 62% | 69% |
| In buildings of 5 or more | 12% | 9% |
| Mobile homes | 16% | 15% |
| Built before 1960 | 21% | 15% |
| Built since 2000 | 21% | 28% |
| Middle year built | 1979 | 1986 |
| Owner-occupied | 63% | 69% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.