Gardner is a city in Johnson County, Kansas, home to about 24,526 people across 12 square miles. Its ZIP codes are 66030 and 66031.
Homes sold for a median of $200 per square foot in the three months ending August 2026, a seller’s market.
Mostly Gardner; also Edgerton
Mostly Gardner
Each card is that ZIP code’s whole market, including any part outside Gardner. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Gardner’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)36 miles away |
|---|---|
| Nearest city of 250,000+ | Kansas City, MO29 miles away |
| Nearest city of 1 million+ | Dallas, TX428 miles away |
Straight-line distances from the center of Gardner; 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.
Gardner had 23,287 residents in the 2020 census, up 148% since 2000.
It’s the 17th largest of 721 towns in Kansas by population.
Johnson County grew from 18,104 residents in 1900 to 609,863 in 2020.
Johnson 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 20°F. About 37.7 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Olathe Johnson Co Ap, KS weather station (2 miles away).
352,238 jobs at 18,999 businesses in Johnson County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
80 doctors and other health care providers list an office in Gardner’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 8 |
|---|---|
| Dentists | 9 |
| Nurse practitioners and physician assistants | 21 |
| Mental health providers | 11 |
| Physical and occupational therapists | 22 |
| Optometrists | 1 |
| Chiropractors | 8 |
| Pharmacies | 4 |
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 (8 nearby)
Grocery stores (2 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Theaters and performance venues
Counts are within about 2.5 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.
Established in 1857.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Gardner Edgerton. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Gardner ElemGardner | Pre-K–4 | 304 | Public | 0.6 mi |
| Grand Star ElementaryGardner | Pre-K–4 | 380 | Public | 0.4 mi |
| Madison ElementaryGardner | Pre-K–4 | 521 | Public | 1.7 mi |
| Moonlight Elementary SchoolGardner | Pre-K–4 | 320 | Public | 0.4 mi |
| Nike ElementaryGardner | Pre-K–4 | 365 | Public | 2.4 mi |
| Sunflower ElementaryGardner | Pre-K–4 | 293 | Public | 1.2 mi |
| Pioneer Ridge Middle SchoolGardner | 5–8 | 548 | Public | 3.1 mi |
| Trail Ridge Middle SchoolGardner | 5–8 | 679 | Public | 0.3 mi |
| Wheatridge Middle SchoolGardner | 5–8 | 517 | Public | 0.5 mi |
| Gardner Edgerton HighGardner | 9–12 | 1,794 | Public | 1.4 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 Edgerton.
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.