
Short-term kit![]()
Radon Short Term Test Kit short-term charcoal radon test kit, lab fee included
- Lab fee included
Method: Charcoal
In home: 2 to 7 days
Locations and reports
EPA puts Craig County in Zone 3, its lowest radon zone, and only 2 radon tests from it are on file with CDC (2008 to 2017, laboratory totals). Homes with elevated levels occur in all three zones, so only a test measures yours.
Data checked By Radon411Methodology
Highest bordering
44.7%
Delaware County
1 of 7 neighbours have 30+ tests, 2006 to 2015
Nearest county
44.7%
Delaware County, 33 miles
Share at 4+ pCi/L, 38 tests, 2006 to 2015
Ground above low
5.9%
9.3 pts below Oklahoma
Share of land USGS rates moderate or high potential
Tests reported
3
Too few for a share
2006 to 2015, laboratory
EPA radon zone
Zone 3
Lower potential
1 highest, 3 lowest
EPA predicts under 2 pCi/L indoors
Read a result for Craig 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
Craig County, At a glance
Predicted: EPA radon zone
USGS geologic potential: Low across 94% of the county's area
Predicted: EPA Map of Radon Zones
Measured: tests reported to CDC
CDC holds 2 reported tests for Craig County over the 2008 to 2017 laboratory totals, with a median of 2.6 pCi/L: too few to describe a county (Radon411 reads a share from 30 tests up). Craig County beside the counties around it is how this page reads it.
Only 2 tests were reported to CDC for Craig County over 2008 to 2017 (laboratory totals), and tests are often run on homes being sold or already suspected of a problem: so few describe neither the county nor this house.
Measured: CDC tracking data. Figure above: 2008 to 2017, laboratory. Measured data period: 2005 to 2017 (every CDC figure on file).
Craig County, Compared
CDC's largest figure for Craig County rests on 3 tests over the 2006 to 2015 laboratory totals, 1 of them at or above 4 pCi/L, so each test moves its share by 33.3 points and no rank or comparison is drawn from it. Results reached as high as 5.7 pCi/L, with a middle value of 3.7 pCi/L.
Delaware County, the one bordering county with a figure over the 2006 to 2015 laboratory totals, reported 44.7% of its tests at or above 4 pCi/L. Farther out, Washington County (39 miles away) at 11.3%, Cherokee County (60 miles away) at 32.0% and Tulsa County (60 miles away) at 6.0% have figures too. Pooled across 53 Oklahoma counties, 12.6% of reported tests reached that level; across every county in the country with a figure, 36.3%.
Statewide for the same period, Delaware County reported the highest share (44.7%) and Tulsa County the lowest (6.0%). EPA's 1993 map puts Craig County in Zone 3, its lowest label: a predicted county average under 2 pCi/L. USGS geology rates 94% of the county's land low radon potential.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Craig County, Geology
Most of the ground under Craig County is one class on USGS's geologic map: 94.1% of its land is low radon potential, with 5.9% moderate. The map puts 94.1% of Craig County in the area it calls Central Oklahoma Plains and Hills and 5.9% in Ozark Plateau. USGS gives the first a radon index of 7, 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 |
|---|---|---|---|---|
| Central Oklahoma Plains and Hills | Nonmarine Permian and Tertiary rocks, including shale, sandstone, and conglomerate in the western part, and Mississippian and Pennsylvanian rocks in the eastern part. | Low | 7 | 94.1% |
| Ozark Plateau | Mississippian and Pennsylvanian limestone and shale. | Moderate | 9 | 5.9% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Across Oklahoma 0.6% of the land is rated high; none of Craig County's is. Of the 7 counties that border it, 5 have more moderate-potential ground, Delaware County the most at 99.9%.
The map rates the ground, not the air in any home.
Local help
Craig County, Local resources
What it means
Craig County, Questions
Over the 2008 to 2017 laboratory totals, 0.0% of the radon tests reported to CDC for Craig County, Oklahoma were at or above 4 pCi/L, and the median reported pre-mitigation result was 2.6 pCi/L. Delaware County, the one bordering county with a figure over the 2006 to 2015 laboratory totals, reported 44.7% of its tests at or above 4 pCi/L.
Craig County borders 7 counties: Nowata County, OK, Ottawa County, OK, Labette County, KS, Mayes County, OK, Cherokee County, KS, Delaware County, OK and Rogers County, OK.
Products
Craig County, Products
No CDC figure names Craig County; the nearest county with one, Delaware County (33 miles away), reported 44.7% 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 Craig County.
Test kits and monitors: 1 of 3
Explore
Craig County, Bordering counties
44.7%at or above 4 pCi/L
Median 2.5 pCi/L · 38 tests
14.3%at or above 4 pCi/L
Median 1.2 pCi/L · 7 tests
11.8%at or above 4 pCi/L
Median 0.6 pCi/L · 17 tests
0.0%at or above 4 pCi/L
Median 0.2 pCi/L · 1 test
0.0%at or above 4 pCi/L
Median 0.2 pCi/L · 3 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.
Craig County, Cities and towns
The Census Bureau estimates 14,518 residents in Craig County for July 1, 2025, 371 more than in 2020 (+2.6%). That works out to 19 people per square mile of land. Its largest town, Vinita, has 5,424 residents, 37.4% of the total. CDC's 3 reported tests for 2006 to 2015 work out to 0.2 per 1,000 residents (2025 estimate), close to Oklahoma's 0.2.
From Vinita to Big Cabin, CDC publishes no figure by town: each reads Craig County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Vinita | 5,424 | +2.5% | 37.4% |
| Langleyextends beyond Craig County | 646 | +3.4% | Counted whole |
| Welch | 640 | +2.1% | 4.4% |
| Ketchumextends beyond Craig County | 514 | +2.6% | Counted whole |
| Bluejacket | 244 | +2.1% | 1.7% |
| Big Cabin | 185 | +3.9% | 1.3% |
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 Craig County is counted whole, so it has no share.
Craig County, Homes
Of Craig County's 6,382 homes, 75% are detached houses, against 73% across Oklahoma; 16% are mobile homes. Half of its homes were built before 1975, close to Oklahoma's 1980: 31% date from before 1960 and 17% from 2000 or later. 73% of occupied homes are lived in by their owner (Oklahoma: 66%); in the rest a tenant can run a test, but a fix is the landlord's to make.
| Homes | Craig County | Oklahoma |
|---|---|---|
| Housing units | 6,382 | 1,763,036 |
| Detached houses | 75% | 73% |
| In buildings of 5 or more | 5% | 12% |
| Mobile homes | 16% | 9% |
| Built before 1960 | 31% | 21% |
| Built since 2000 | 17% | 25% |
| Middle year built | 1975 | 1980 |
| Owner-occupied | 73% | 66% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.