ZIP code · Hartford · Kansas · United States
ZIP code 66854 — Hartford
ZIP code 66854 serves Hartford, Kansas.
- Postal code
- 66854Single source Value from one source, not cross-checked.
- City
- Hartford
- County
- Lyon FIPS 20111
- State
- Kansas
- Country
- United States
- Coordinates
- 38.2833, -95.9997 — precision precise (locality)
View on OpenStreetMap - Population
- 953 (ZCTA, ACS 5-year)
- Population density
- 10 / sq mi
- Land area
- 96.3 sq mi (249.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $83,646
- Per-capita income
- $33,679
- Median age
- 34.6
- Households
- 341
- Housing units
- 392
- Median home value
- $84,700
- Median gross rent
- $754 / month
- Congressional district
- KS-2 (119th Congress)
- USDA hardiness zone
- 6b (-5 to 0 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 620Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 66854 with another ZIP · ZIPs within 25 miles · distance from 66854
Map of ZIP code 66854
Climate — monthly normals
Warmest month Jul (avg high 90°F), coldest Jan (avg low 21°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 41 | 47 | 57 | 67 | 76 | 85 | 90 | 89 | 81 | 69 | 56 | 44 |
| Avg low °F | 21 | 24 | 34 | 44 | 54 | 64 | 68 | 66 | 57 | 45 | 33 | 24 |
| Precip in | 0.8 | 1.3 | 2.1 | 3.8 | 5.0 | 4.5 | 3.9 | 3.9 | 3.3 | 3.1 | 1.9 | 1.3 |
NOAA 1991–2020 climate normals from the nearest station: EMPORIA MUNI AP (10.8 mi) · NOAA NCEI
Places in ZIP 66854
- 2 schools
- 2 parks
- 1 places of worship
- 2 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page