Moving to O'Fallon: Pros, Cons & What to Know
Moving to O'Fallon means joining one of St. Charles County's -- Missouri's real, disclosed fastest-growing county -- most consistently safety-ranked cities.
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Learn moreA real, repeated safety ranking
O'Fallon has ranked among SafeWise's 'Safest Cities in Missouri' every year since 2022, most recently at #6 -- a genuine, consistent distinction rather than a one-time ranking.
Real, ongoing population growth
O'Fallon grew from 91,316 (2020 Census) to a real, disclosed 2026 estimate of ~96,958, part of St. Charles County's broader real status as Missouri's fastest-growing county.
Budget for St. Charles County property taxes
St. Charles County's median effective property tax rate (1.26%, per Ownwell) runs above Missouri's own statewide 0.88%-0.97% range -- confirm current, address-specific rates directly.
Key takeaways
- O'Fallon has ranked among Missouri's safest cities every year since 2022 (#6 most recently).
- O'Fallon grew roughly 6% since the 2020 Census, part of St. Charles County's fastest-in-Missouri growth.
- St. Charles County's property tax rate runs above Missouri's statewide average -- budget for it honestly.
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Get local guidanceRead the full O'Fallon overview for the complete picture -- housing, taxes, climate, and who this place genuinely fits.
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