Township, Boone County, Illinois
Radon Testing in Manchester Township, IL
Updated
IEMA does not have enough recorded radon tests in Manchester Township to break out separately yet. Boone County, Illinois as a whole sits in the EPA's Radon Zone 1, its highest-potential category, so testing is worth doing regardless.
Manchester Township sits in northern Boone County, sharing the 61011 ZIP code with Capron. It has an estimated 697 residents and 302 housing units across 33.5 square miles.
The ground under Manchester Township
Boone County's bedrock, like the rest of this corner of Illinois, is Ordovician and Silurian dolomite and limestone under a cover of Ice Age glacial till. The EPA's radon zone map rates the county Zone 1, its highest-potential classification, the same as Winnebago County next door.
Housing in Manchester Township
Real Census numbers for Manchester Township: about 697 residents and 302 housing units spread over 33.5 square miles. At around 21 people per square mile, it's genuinely rural, among the lowest-density places on this site. At this population size the Census Bureau doesn't break out housing age or tenure separately, so what shows up on the Boone County towns elsewhere on this site is the nearest real comparison, not a Manchester Township-specific number.
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates (via Census Reporter) and 2024 TIGER/Line county subdivision and place boundaries.
What we do in Manchester Township
Radon testing, Buying or selling a home, and New construction.
Common questions
Is radon a problem in Manchester Township?
Boone County sits in EPA Radon Zone 1, the highest-potential category, so yes, testing is worth doing regardless of the specific house.
We're closing on a house in Manchester Township soon. Is there time to test?
Usually yes. A short-term test takes a few days to about a week, which fits inside most inspection periods if it's scheduled early. See our <a href="/real-estate-radon-testing">real estate radon testing</a> page for how that timing works.
Nearby
Capron (68.6% of tests at 4+ pCi/L), Leroy Township, Poplar Grove (58.1% of tests at 4+ pCi/L).
Need radon testing booked in Manchester Township?
Tell us why you're testing and any deadline you're working against. You get a fixed price and a straight answer back.