Troy is a city in Doniphan County, Kansas, home to about 824 people across 1.0 square miles. Its ZIP code is 66087.
Homes sold for a median of $133 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Troy; also Severance
Each card is that ZIP code’s whole market, including any part outside Troy. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Troy’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)41 miles away |
|---|---|
| Nearest city of 250,000+ | Kansas City, MO56 miles away |
| Nearest city of 1 million+ | Chicago, IL415 miles away |
Straight-line distances from the center of Troy; 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.
Troy had 964 residents in the 2020 census, down 9% since 2000.
It’s the 231st largest of 721 towns in Kansas by population.
Doniphan County grew from 15,079 residents in 1900 to 7,510 in 2020.
Doniphan 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 17°F. About 37 inches of rain and melted snow fall in a typical year, with about 21 inches of snow.
Source: NOAA 1991–2020 climate normals, Troy 3n, KS weather station (4 miles away).
1,841 jobs at 160 businesses in Doniphan County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
8 doctors and other health care providers list an office in Troy.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Nurse practitioners and physician assistants | 4 |
| Mental health providers | 1 |
| Optometrists | 1 |
| Pharmacies | 2 |
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
Libraries
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 Troy Public Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Troy ElemTroy | Pre-K–5 | 165 | Public | 2.7 mi |
| Troy High and Middle SchoolTroy | 6–12 | 150 | Public | 2.6 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 Severance.
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.