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
Locations and reports
Radon Levels in Tipton County, Indiana
EPA puts Tipton County in Zone 1, its highest radon zone, and high results are common there: 49.3% of the 69 radon tests reported to CDC (2008 to 2017, laboratory totals) came back at or above 4 pCi/L. Homes with elevated levels occur in all three zones, so only a test measures yours.
Data checked By Radon411Methodology
Share at 4+ pCi/L
49.3%
10.4 pts above IN
- Tipton
- 49.3%
- Indiana
- 38.9%
69 tests, 2008 to 2017
Median result
3.9pCi/L
Below action level
- Tipton
- 3.9 pCi/L
- EPA
- 4.0 pCi/L
Midpoint of the tests, 2008 to 2017
Tests reported
69
55th of 69 by tests
- Tipton
- 69
- St. Joseph
- 7,346
Reported to CDC before any fix, 2008 to 2017
EPA radon zone
Zone 1
Highest potential
- Zone 1
- 2
- 3
1 highest, 3 lowest
EPA predicts over 4 pCi/L indoors
Rank in Indiana
18 of 69
Middle half
- Tipton
- 49.3%
- Miami
- 63.3%
By share, of 69 with 30+ tests
Read a result for Tipton County
Starts at Tipton County's median, 3.9 pCi/L
EPA’s own thresholds; the figures are the area’s, never this home’s.
EPA’s reading of 3.9 pCi/L
Between 2 and 4 pCi/L
- Under 20 to 1.9 pCi/L
- 2 to 4consider a fix
- 4 and aboveEPA says fix it
This result is between 2 and 4 pCi/L. EPA recommends considering a fix when the level is between 2 and 4 pCi/L. Tipton County's median reported result, 2008 to 2017.
The data
Tipton County, At a glance
Tipton County at a glance
Predicted: EPA radon zone
EPA Zone 1: highest predicted potential
EPA puts all of Tipton County in
USGS geologic potential: High across 100% of the county's area
Predicted: EPA Map of Radon Zones
Measured: tests reported to CDC
Radon tests reported for Tipton County, 2008 to 2017, laboratory
Under 2 pCi/L: 19%2 to 4 pCi/L: 32%4 pCi/L and above: 49%
Of 69 pre-mitigation tests reported to CDC, not homes in this area.
| Result band | Tests Measured | Share Measured |
|---|---|---|
| Under 2 pCi/L | 13 | 18.8% |
| 2 to 4 pCi/L | 22 | 31.9% |
| 4 pCi/L and above | 34 | 49.3% |
What these figures count
These are the 69 tests reported to CDC for Tipton County over 2008 to 2017 (laboratory totals), many from homes being sold or already suspected of a problem: they describe the county's reported tests, not this house.
Measured: CDC tracking data. Figure above: 2008 to 2017, laboratory. Measured data period: 2005 to 2017 (every CDC figure on file).
Tipton County, Compared
Tipton County radon figures, compared
Calculated by Radon411In Tipton County, about 5 in 10 reported tests over the 2008 to 2017 laboratory totals (34 of 69) were at or above EPA's action level. Against the national pool of 35.7%, the gap is 13.6 points higher. Across 92 Indiana counties pooled together, 38.9% of tests reached that level, so Tipton County runs 10.4 points above its state.
Of 5 neighbours with a figure, 1 reported a larger share at or above 4 pCi/L and 4 a smaller one; the spread is 37.6% (Hamilton County) to 58.2% (Grant County). By share, Tipton County is 18th of 69 Indiana counties with 30 or more tests for the same period.
Half the tests came in under 3.9 pCi/L and half over it; the single highest reached 18.0 pCi/L. Below the action level, 13 tests (18.8%) came in under 2 pCi/L, against 32.8% statewide, and 22 tests (31.9%) fell between 2 and 4, against 28.3% statewide.
Zone 1 on EPA's map (predicted average above 4 pCi/L) and a 49.3% share point the same way here. USGS geology rates 100% of the county's land high radon potential.
CDC's ten-year totals for Tipton County went from 55 tests (2005 to 2014) to 69 (2008 to 2017), the share going from 45.5% to 49.3%.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Tipton County, Geology
The ground under Tipton County
PredictedUSGS's geologic map puts all of Tipton County's mapped land in one class: high radon potential. All of it lies in the area the map calls Huron-Erie Lobe, to which USGS gives a radon index of 13, in the high band (12 to 17).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Huron-Erie Lobe | Calcareous clayey and loamy glacial deposits derived from marine carbonate and clastic sedimentary rocks. | High | 13 | 100% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Tipton County beside the ground around it
Tipton County has more high-potential ground than Indiana as a whole: 100% of its land against 56.6%. Of the 5 counties that border it, none has as large a share of high-potential ground; Clinton County comes nearest at 100%.
The map rates the ground, not the air in any home.
Local help
Tipton County, Local resources
Radon testing and mitigation in Tipton County
- Indiana's radon programIndiana Department of HealthIndiana's radon program licenses or certifies radon professionals and offers free or discounted test kits, and answers questions about testing and mitigation in Indiana.Visit the program’s page(opens in a new tab)
- Free and low-cost kitsThe program says:
To purchase a low-cost radon short term or long term test kit, please visit the American Lung Association
- Compare kits
- Professionals in Indiana17 professionals are listed in Indiana.
What Indiana's program says
- Phone
- 1-800-272-9723
- Licensing of radon professionals
According to the Indiana Radon Rule, 410 IAC 5.1, everyone who is serving Indiana by doing radon testing, analysis and mitigation (radon reduction) in residential structures must be certified by the Indiana State Department of Health.
What it means
Tipton County, Questions
Questions about radon in Tipton County
Are radon levels high in Tipton County?
Over the 2008 to 2017 laboratory totals, 49.3% of the radon tests reported to CDC for Tipton County, Indiana were at or above 4 pCi/L, and the median reported pre-mitigation result was 3.9 pCi/L. Of 69 Indiana counties with 30 or more tests for the same period, 17 reported a higher share; pooled, the state comes to 38.9%.
Which counties border Tipton County?
Tipton County borders 5 counties: Howard County, Hamilton County, Madison County, Clinton County and Grant County.
Products
Tipton County, Products
Testing a home in Tipton County
In Tipton County, 49.3% of 69 tests reported to CDC over the 2008 to 2017 laboratory totals reached 4 pCi/L, against 38.9% pooled across Indiana. In Zone 1 the year-round level in Tipton County is the one to know: a long-term test (more than 90 days) or a monitor, with a short-term kit for a first answer.
Test kits and monitors3
See every kit and monitor
Monitor
View Radon Wi-Fi radon monitor with an e-paper display
- C-NRPP 2024/25: Approved
- Battery
- Wi-Fi, Bluetooth
- Screen, app
Method: Alpha spectrometry
Readings: Every 60 minutes
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
- See every kit and monitor Test kits and monitors
Test kits and monitors: 1 of 3
Tipton County is in EPA Zone 1, the highest predicted radon potential. Best radon monitors for Zone 1 counties like Tipton County
Explore
Tipton County, Bordering counties
Counties bordering Tipton County
Calculated by Radon411- Radon levels in Grant CountyEPA zone 1
58.2%at or above 4 pCi/L
Median 4.6 pCi/L · 79 tests · 8.9 points above Tipton County
- Radon levels in Howard CountyEPA zone 1
49.1%at or above 4 pCi/L
Median 3.8 pCi/L · 216 tests · 0.2 points below Tipton County
- Radon levels in Madison CountyEPA zone 1
49.0%at or above 4 pCi/L
Median 3.8 pCi/L · 239 tests · 0.3 points below Tipton County
- Radon levels in Clinton CountyEPA zone 1
45.9%at or above 4 pCi/L
Median 3.5 pCi/L · 85 tests · 3.4 points below Tipton County
- Radon levels in Hamilton CountyEPA zone 1
37.6%at or above 4 pCi/L
Median 2.7 pCi/L · 3,479 tests · 11.7 points below Tipton County
Tipton County, Cities and towns
Cities and towns in Tipton County
Tipton County's population has barely moved since 2020: 15,319 residents on July 1, 2025 against 15,389 then, by the Census Bureau's estimates. That works out to 59 people per square mile of land. Elwood, the largest place on its list (8,525 residents in all), extends beyond Tipton County, so no share of the total is worked out for it. CDC's 69 reported tests for 2008 to 2017 work out to 4.5 per 1,000 residents (2025 estimate), close to Indiana's 6.2.
From Elwood to Kempton, CDC publishes no figure by town: each reads Tipton County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Elwoodextends beyond Tipton County | 8,525 | +1.5% | Counted whole |
| Tipton | 5,263 | −0.7% | 34.4% |
| Windfall City | 662 | −1.8% | 4.3% |
| Sharpsville | 539 | −2.5% | 3.5% |
| Kempton | 280 | −2.4% | 1.8% |
5 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 Tipton County is counted whole, so it has no share.
Tipton County, Homes
Homes in Tipton County
Tipton County is a place of houses on their own lots: 86% of its 6,836 homes are detached single-family houses, against 73% across Indiana. The homes are older than Indiana's as a whole: half were built before 1963 (1976 for Indiana), and 48% date from before 1960. Owners live in 82% of the occupied homes (Indiana: 70%), so for most households a test and a fix are their own to order.
| Homes | Tipton County | Indiana |
|---|---|---|
| Housing units | 6,836 | 2,953,344 |
| Detached houses | 86% | 73% |
| In buildings of 5 or more | 4% | 13% |
| Mobile homes | 4% | 4% |
| Built before 1960 | 48% | 32% |
| Built since 2000 | 11% | 21% |
| Middle year built | 1963 | 1976 |
| Owner-occupied | 82% | 70% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.