Holts Summit is a city in Callaway County, Missouri, home to about 4,609 people across 3.7 square miles. Its ZIP code is 65043.
Homes sold for a median of $165 per square foot in the three months ending August 2026, a seller’s market.
Mostly Holts Summit; also Jefferson City
Each card is that ZIP code’s whole market, including any part outside Holts Summit. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Holts Summit’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | St. Louis Lambert International Airport (STL)94 miles away |
|---|---|
| Closer regional airport | Columbia Regional Airport (COU)14 miles away |
| Nearest city of 250,000+ | St. Louis, MO101 miles away |
| Nearest city of 1 million+ | Chicago, IL322 miles away |
Straight-line distances from the center of Holts Summit; 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.
Holts Summit had 4,458 residents in the 2020 census, up 52% since 2000.
It’s the 160th largest of 1,060 towns in Missouri by population.
Callaway County grew from 25,984 residents in 1900 to 44,283 in 2020.
Callaway County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 89°F in summer, and winter lows average 23°F. About 39.7 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Jefferson City Mem Ap, MO weather station (4 miles away).
11,703 jobs at 782 businesses in Callaway 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 Holts Summit.
Nearest hospitals
Providers with an office here
| Primary care doctors | 4 |
|---|---|
| Nurse practitioners and physician assistants | 4 |
| Mental health providers | 2 |
| Physical and occupational therapists | 1 |
| Pharmacies | 3 |
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.
Parks (2 nearby)
Grocery stores
Libraries
Museums
Theaters and performance venues
Counts are within about 1.5 miles 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 Jefferson City. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Callaway Hills Elem.Holts Summit | K–5 | 224 | Public | 2.8 mi |
| North Elem.Holts Summit | K–5 | 367 | Public | 1.1 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 Jefferson City.
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.