Short-term kit
PicoCan short-term charcoal canister radon test
- Lab fee included
Method: Charcoal
In home: 48 to 96 hours
Locations and reports
Radon Levels in Hempstead County, Arkansas
EPA puts Hempstead 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
45.8%
Garland County, 65 miles
- Garland
- 45.8%
- Arkansas
- 22.7%
Share at 4+ pCi/L, 48 tests, 2007 to 2016
Ground above low
None
21.3 pts below Arkansas
- Hempstead
- 0.0%
- Arkansas
- 21.3%
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 Hempstead 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
Hempstead County, At a glance
Hempstead 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
No CDC test figures here
CDC has published no radon test figures for Hempstead County. Garland County, 65 miles away, is the nearest county with a figure over the 2007 to 2016 laboratory totals.
Hempstead County, Compared
Hempstead County radon figures, compared
Calculated by Radon411Hempstead County has no radon test figure of its own from CDC, whose counts over the 2007 to 2016 laboratory totals name 60 other Arkansas counties and leave it out. Pooled across 60 Arkansas counties, 22.7% of reported tests reached that level; across every county in the country with a figure, 35.8%.
The nearest counties with a figure are Garland County (65 miles away) at 45.8%, Saline County (85 miles away) at 31.9% and Pulaski County (105 miles away) at 6.8%. Statewide for the same period, Garland County reported the highest share (45.8%) and Pulaski County the lowest (6.8%).
EPA's 1993 map puts Hempstead 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.
Hempstead County, Geology
The ground under Hempstead County
PredictedUSGS's geologic map puts all of Hempstead County's mapped land in one class: low radon potential. All of it lies in the area the map calls West Gulf Coastal Plain, to which USGS gives a radon index of 7, in the low band (5 to 8).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| West Gulf Coastal Plain | Glauconitic, phosphatic, and carbonaceous sediments. | Low | 7 | 100% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Hempstead County beside the ground around it
Across Arkansas 21.3% of the land is rated moderate; none of Hempstead County's is. Of the 7 counties that border it, 2 have more moderate-potential ground, Pike County the most at 8.0%.
The map rates the ground, not the air in any home.
Local help
Hempstead County, Local resources
Radon testing and mitigation in Hempstead County
- Arkansas's radon programArkansas Department of HealthArkansas's radon program answers questions about testing, mitigation and the rules in Arkansas.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 Arkansas directoryNo professionals are listed in Arkansas yet. The state program can point you to registered testers and mitigators.
What Arkansas's program says
- Phone
- 501-661-2621
- ADH.EPI.Radon@arkansas.gov
What it means
Hempstead County, Questions
Questions about radon in Hempstead County
Are radon levels high in Hempstead County?
No CDC testing statistics are published here for Hempstead County, Arkansas yet. Of the 5 nearest counties with a figure, within 183 miles, the share of tests at or above 4 pCi/L runs from 6.8% to 45.8%.
Which counties border Hempstead County?
Hempstead County borders 7 counties: Nevada County, Howard County, Little River County, Miller County, Pike County, Lafayette County and Sevier County.
Products
Hempstead County, Products
Testing a home in Hempstead County
No CDC figure names Hempstead County; the nearest county with one, Garland County (65 miles away), reported 45.8% of its tests at or above 4 pCi/L over the 2007 to 2016 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 Hempstead 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
MonitorAranet
Radon Plus battery digital radon monitor with an e-ink screen
- C-NRPP 2024/25: Approved
- Battery
- Bluetooth
- Alarm
- Screen, app
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
Hempstead County, Bordering counties
Counties bordering Hempstead County
Calculated by Radon411- Radon levels in Miller CountyEPA zone 3
100.0%at or above 4 pCi/L
Median 4.8 pCi/L · 1 test
- Radon levels in Howard CountyEPA zone 3
0.0%at or above 4 pCi/L
Median 2.6 pCi/L · 3 tests
- Radon levels in Little River CountyEPA zone 3
0.0%at or above 4 pCi/L
Median 0.9 pCi/L · 1 test
- Radon levels in Sevier CountyEPA zone 3
0.0%at or above 4 pCi/L
Median 1.1 pCi/L · 2 tests
- Radon levels in Nevada CountyEPA zone 3
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
- Radon levels in Pike CountyEPA zone 3
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
- Radon levels in Lafayette CountyEPA zone 3
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
Hempstead County, Cities and towns
Cities and towns in Hempstead County
About 19,080 people live in Hempstead County by the Census Bureau's estimate for July 1, 2025, 913 fewer than in 2020 (−4.6%). That works out to 26 people per square mile of land. Its largest town, Hope, has 8,445 residents, 44.3% of the total. CDC publishes no radon test count for Hempstead County; across Arkansas its counts for 2007 to 2016 come to 0.2 tests for every 1,000 residents (2025 estimate).
From Hope to McNab, CDC publishes no figure by town: each reads Hempstead County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Hope | 8,445 | −5.3% | 44.3% |
| Emmetextends beyond Hempstead County | 393 | −5.3% | Counted whole |
| Blevins | 282 | −3.4% | 1.5% |
| Perrytown | 222 | −3.9% | 1.2% |
| Fulton | 111 | −1.8% | 0.6% |
| Washington | 92 | Level | 0.5% |
| Oakhaven | 63 | −6.0% | 0.3% |
| Patmos | 57 | −5.0% | 0.3% |
| McCaskill | 56 | −1.8% | 0.3% |
| Ozan | 49 | −5.8% | 0.3% |
| McNab | 28 | −6.7% | 0.1% |
11 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 Hempstead County is counted whole, so it has no share.
Hempstead County, Homes
Homes in Hempstead County
Of Hempstead County's 9,638 homes, 69% are detached houses, against 70% across Arkansas; 23% are mobile homes. Half of its homes were built before 1980, close to Arkansas' 1987: 20% date from before 1960 and 17% from 2000 or later. 70% of occupied homes are lived in by their owner (Arkansas: 66%); in the rest a tenant can run a test, but a fix is the landlord's to make.
| Homes | Hempstead County | Arkansas |
|---|---|---|
| Housing units | 9,638 | 1,382,664 |
| Detached houses | 69% | 70% |
| In buildings of 5 or more | 3% | 10% |
| Mobile homes | 23% | 11% |
| Built before 1960 | 20% | 14% |
| Built since 2000 | 17% | 28% |
| Middle year built | 1980 | 1987 |
| Owner-occupied | 70% | 66% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.