Hartford is a city in Lyon County, Kansas, home to about 428 people across 0.4 square miles. Its ZIP code is 66854.
Mostly Hartford
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| Nearest major airport | Kansas City International Airport (MCI)99 miles away |
|---|---|
| Closer regional airport | Manhattan Regional Airport (MHK)69 miles away |
| Nearest city of 250,000+ | Wichita, KS84 miles away |
| Nearest city of 1 million+ | Dallas, TX382 miles away |
Straight-line distances from the center of Hartford; 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.
Hartford had 355 residents in the 2020 census, down 29% since 2000.
It’s the 326th largest of 721 towns in Kansas by population.
Lyon County grew from 25,074 residents in 1900 to 32,179 in 2020.
Lyon County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 90°F in summer, and winter lows average 21°F. About 34.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Emporia Muni Ap, KS weather station (11 miles away).
13,175 jobs at 839 businesses in Lyon County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Hartford.
Nearest hospitals
Providers with an office here
| Primary care doctors | 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.
Public schools here are run by Southern Lyon County. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Hartford Jr./Sr. High SchoolHartford | 6–12 | 101 | Public | 3.0 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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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.