ZIP code · Alton · Kansas · United States
ZIP code 67623 — Alton
ZIP code 67623 serves Alton, Kansas.
- Postal code
- 67623Single source Value from one source, not cross-checked.
- City
- Alton
- County
- Osborne FIPS 20141
- State
- Kansas
- Country
- United States
- Coordinates
- 39.4514, -98.9539 — precision precise (locality)
View on OpenStreetMap - Population
- 224 (ZCTA, ACS 5-year)
- Population density
- 1 / sq mi
- Land area
- 170.9 sq mi (442.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $100,200
- Per-capita income
- $41,006
- Median age
- 45.3
- Households
- 98
- Housing units
- 130
- Median gross rent
- $672 / month
- Congressional district
- KS-1 (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °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
- 785Telephone 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 67623 with another ZIP · ZIPs within 25 miles · distance from 67623
Map of ZIP code 67623
Climate — monthly normals
Warmest month Jul (avg high 93°F), coldest Jan (avg low 14°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 42 | 46 | 57 | 67 | 76 | 88 | 93 | 91 | 83 | 70 | 56 | 44 |
| Avg low °F | 14 | 18 | 27 | 36 | 48 | 60 | 65 | 63 | 53 | 39 | 26 | 18 |
| Precip in | 0.7 | 0.7 | 1.6 | 2.3 | 4.2 | 3.5 | 4.9 | 3.9 | 2.6 | 2.1 | 1.2 | 0.9 |
NOAA 1991–2020 climate normals from the nearest station: ALTON 1 W (2.0 mi) · NOAA NCEI
Places in ZIP 67623
- 6 schools
- 1 parks
- 1 playgrounds
- 1 post offices
- 2 places of worship
- 1 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