Short-term kit
Air Chek Short-Term radon test kit you hang, lab fee included
- Lab fee included
In home: 72 to 168 hours
Locations and reports
Radon Levels in Jackson County, Mississippi
EPA puts Jackson 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
4.4%
Mobile County
- Mobile
- 4.4%
1 of 4 neighbours have 30+ tests, 2006 to 2015
Nearest county
4.4%
Mobile County, 31 miles
- Mobile
- 4.4%
Share at 4+ pCi/L, 45 tests, 2006 to 2015
Ground above low
None
8.1 pts below MS
- Jackson
- 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
- 2
- Zone 3
1 highest, 3 lowest
EPA predicts under 2 pCi/L indoors
Read a result for Jackson County
Starts at EPA's action level
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
- Under 20 to 1.9 pCi/L
- 2 to 4consider a fix
- 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
Jackson County, At a glance
Jackson County at a glance
Predicted: EPA radon zone
EPA Zone 3: lower predicted potential
USGS geologic potential: Low across 98% 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 Jackson County. Mobile County, AL, the one bordering county with a figure over the 2006 to 2015 laboratory totals, reported 4.4% of its tests at or above 4 pCi/L.
Jackson County, Compared
Jackson County radon figures, compared
Calculated by Radon411Jackson 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.
Mobile County, AL, the one bordering county with a figure over the 2006 to 2015 laboratory totals, reported 4.4% of its tests at or above 4 pCi/L. Farther out, Escambia County, FL (76 miles away) at 0.0%, Santa Rosa County, FL (97 miles away) at 3.3% and Jefferson Parish, LA (103 miles away) at 1.5% have figures too.
EPA's 1993 map puts Jackson County in Zone 3, its lowest label: a predicted county average under 2 pCi/L. USGS geology rates 98% of the county's land low radon potential.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Jackson County, Geology
The ground under Jackson County
PredictedUSGS's geologic map puts all of Jackson County's mapped land in one class: low radon potential. The map puts 53.3% of Jackson County in the area it calls Coastal Pine Meadows and 44.9% in Pine Hills. USGS gives both 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 |
|---|---|---|---|---|
| Coastal Pine Meadows | Alluvial deltas consisting of gravel, sand and clay. | Low | 6 | 53.3% |
| Pine Hills | Sand, sandstone, bentonitic clay, quartzite, gravel, tuff, and siltstone. | Low | 6 | 44.9% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Jackson County beside the ground around it
Across Mississippi 0.1% of the land is rated high; none of Jackson County's is. None of the 4 counties that border it has any moderate-potential ground either.
The map rates the ground, not the air in any home.
Local help
Jackson County, Local resources
Radon testing and mitigation in Jackson County
- Mississippi Radon ProgramMississippi Radon Program, run by Mississippi State Department of Health, answers questions about testing, mitigation and the rules in Mississippi.Visit the program’s page(opens in a new tab)
- Free and low-cost kitsAsk the program whether it has free or discounted kits, or compare kits you can buy.
- Compare kits
- See the Mississippi directoryNo professionals are listed in Mississippi yet. The state program can point you to registered testers and mitigators.
What Mississippi's program says
- Phone
- 1-800-626-7739
What it means
Jackson County, Questions
Questions about radon in Jackson County
Are radon levels high in Jackson County?
No CDC testing statistics are published here for Jackson County, Mississippi yet. Mobile County, AL, the one bordering county with a figure over the 2006 to 2015 laboratory totals, reported 4.4% of its tests at or above 4 pCi/L.
Which counties border Jackson County?
Jackson County borders 4 counties: George County, MS, Harrison County, MS, Mobile County, AL and Stone County, MS.
Products
Jackson County, Products
Testing a home in Jackson County
No CDC figure names Jackson County; the nearest county with one, Mobile County, AL (31 miles away), reported 4.4% 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 Jackson County.
Test kits and monitors3
See every kit and monitor
Long-term kit
RL116 long-term radon test kit
- Lab fee extra
Method: Alpha track
In home: 90 days to 12 months
Monitor
RM-63Pro rechargeable radon monitor with a touchscreen
- C-NRPP 2024/25: Not included
- Battery
- Alarm
- Screen
Method: Semiconductor sensor
- See every kit and monitor Test kits and monitors
Test kits and monitors: 1 of 3
Explore
Jackson County, Bordering counties
Counties bordering Jackson County
Calculated by Radon411- Radon levels in Mobile County, ALEPA zone 3
4.4%at or above 4 pCi/L
Median 0.2 pCi/L · 45 tests
- Radon levels in George County, MSEPA zone 3
No CDC figure for 2006 to 2015; its page reads it against its own neighbours.
- Radon levels in Harrison County, MSEPA zone 3
No CDC figure for 2006 to 2015; its page reads it against its own neighbours.
- Radon levels in Stone County, MSEPA zone 3
No CDC figure for 2006 to 2015; its page reads it against its own neighbours.
Jackson County, Cities and towns
Cities and towns in Jackson County
The Census Bureau estimates 147,666 residents in Jackson County for July 1, 2025, 4,293 more than in 2020 (+3.0%). That works out to 204 people per square mile of land. No town dominates: Pascagoula, the largest, has 21,409 residents, 14.5% of the total. Together its 4 incorporated places hold 48.2% of those residents; the other 51.8% live outside any of them.
From Pascagoula to Moss Point, CDC publishes no figure by town: each reads Jackson County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Pascagoula | 21,409 | −2.6% | 14.5% |
| Gautier | 19,069 | +0.4% | 12.9% |
| Ocean Springs | 18,993 | +3.4% | 12.9% |
| Moss Point | 11,743 | −3.1% | 8.0% |
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).
Jackson County, Homes
Homes in Jackson County
Of Jackson County's 62,994 homes, 74% are detached houses, against 69% across Mississippi; 11% are in buildings of five or more homes. Half of its homes were built before 1984, close to Mississippi's 1986: 11% date from before 1960 and 30% from 2000 or later. 72% 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 | Jackson County | Mississippi |
|---|---|---|
| Housing units | 62,994 | 1,332,811 |
| Detached houses | 74% | 69% |
| In buildings of 5 or more | 11% | 9% |
| Mobile homes | 9% | 15% |
| Built before 1960 | 11% | 15% |
| Built since 2000 | 30% | 28% |
| Middle year built | 1984 | 1986 |
| Owner-occupied | 72% | 69% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.