Kings Mills is a community in Warren County, Ohio, home to about 1,175 people across 1.1 square miles. Its ZIP code is 45034, and parts of 45040 are in Kings Mills too.
Homes sold for a median of $192 per square foot in the three months ending August 2026, a balanced market.
Mostly Kings Mills; also South Lebanon
Mostly Mason; part is in Kings Mills
Each card is that ZIP code’s whole market, including any part outside Kings Mills. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Kings Mills’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Kings Mills well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Cincinnati Northern Kentucky International Airport (CVG)30 miles away |
|---|---|
| Closer regional airport | Cincinnati Municipal Airport Lunken Field (LUK)19 miles away |
| Nearest city of 250,000+ | Cincinnati, OH19 miles away |
| Nearest city of 1 million+ | Chicago, IL248 miles away |
Straight-line distances from the center of Kings Mills; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Kings Mills had 1,336 residents in the 2020 census, up 1% since 2010.
It’s the 631st largest of 1,264 towns in Ohio by population.
Warren County grew from 25,584 residents in 1900 to 242,337 in 2020.
Warren County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 22°F. About 41.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Hamilton Butler Co Rgnl Ap, OH weather station (13 miles away).
82,752 jobs at 4,826 businesses in Warren County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
11 doctors and other health care providers list an office in Kings Mills.
Nearest hospitals
Providers with an office here
| Specialist doctors | 1 |
|---|---|
| Mental health providers | 7 |
| Physical and occupational therapists | 2 |
| Chiropractors | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Grocery stores (1 nearby)
Pharmacies (1 nearby)
Libraries
Museums
Theaters and performance venues (7 nearby)
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Kings Local. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Kings Mills Educational CenterKings Mills | Pre-K | 180 | Public | 1.4 mi |
| J F Burns Elementary SchoolKings Mills | K–4 | 807 | Public | 2.6 mi |
| Kings Mills Elementary SchoolKings Mills | K–4 | 567 | Public | 1.5 mi |
| Columbia Intermediate SchoolKings Mills | 5–6 | 809 | Public | 2.4 mi |
| Kings Junior High SchoolKings Mills | 7–8 | 730 | Public | 1.0 mi |
| Kings High SchoolKings Mills | 9–12 | 1,457 | Public | 1.0 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Mason, Landen and South Lebanon.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.