Polo is a city in Caldwell County, Missouri, home to about 480 people across 0.6 square miles. It has no ZIP code of its own: it’s part of 64671.
Homes sold for a median of $249 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Polo. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Polo’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Kansas City International Airport (MCI)39 miles away |
|---|---|
| Nearest city of 250,000+ | Kansas City, MO40 miles away |
| Nearest city of 1 million+ | Chicago, IL369 miles away |
Straight-line distances from the center of Polo; 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.
Polo had 509 residents in the 2020 census, down 13% since 2000.
It’s the 529th largest of 1,060 towns in Missouri by population.
Caldwell County grew from 16,656 residents in 1900 to 8,815 in 2020.
Caldwell 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 16°F. About 40.1 inches of rain and melted snow fall in a typical year, with about 8 inches of snow.
Source: NOAA 1991–2020 climate normals, Hamilton 2w, MO weather station (12 miles away).
1,302 jobs at 153 businesses in Caldwell County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
2 doctors and other health care providers list an office in Polo.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Physical and occupational therapists | 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
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 Mirabile C-1, Polo R-Vii. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Mirabile Elem.Polo | Pre-K–8 | 30 | Public | 4.9 mi |
| Polo Elem.Polo | Pre-K–4 | 137 | Public | 1.9 mi |
| Polo MiddlePolo | 5–8 | 103 | Public | 1.9 mi |
| Polo HighPolo | 9–12 | 127 | Public | 1.9 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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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.