ZIP code · Saint Marys · Kansas · United States
ZIP code 66536 — Saint Marys
ZIP code 66536 serves Saint Marys, Kansas.
- Postal code
- 66536Single source Value from one source, not cross-checked.
- City
- Saint Marys
- County
- Pottawatomie FIPS 20149
- State
- Kansas
- Country
- United States
- Coordinates
- 39.1987, -96.0683 — precision precise (locality)
View on OpenStreetMap - Population
- 4,103 (ZCTA, ACS 5-year)
- Population density
- 63 / sq mi
- Land area
- 65.4 sq mi (169.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $78,641
- Per-capita income
- $27,746
- Median age
- 25.4
- Households
- 1,093
- Housing units
- 1,157
- Median home value
- $211,400
- Median gross rent
- $854 / month
- Congressional districts
- KS-1 (also 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
- 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 66536 with another ZIP · ZIPs within 25 miles · distance from 66536
Map of ZIP code 66536
Climate — monthly normals
Warmest month Jul (avg high 90°F), coldest Jan (avg low 18°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 39 | 45 | 56 | 67 | 76 | 85 | 90 | 89 | 81 | 69 | 55 | 43 |
| Avg low °F | 18 | 21 | 31 | 42 | 53 | 63 | 68 | 65 | 56 | 43 | 31 | 22 |
| Precip in | 0.7 | 1.2 | 2.1 | 3.5 | 5.1 | 5.2 | 4.7 | 4.1 | 2.9 | 2.4 | 1.7 | 1.3 |
NOAA 1991–2020 climate normals from the nearest station: WAMEGO 4 W (16.2 mi) · NOAA NCEI
Places in ZIP 66536
- 6 schools
- 1 hospitals & clinics
- 1 doctors & dentists
- 2 supermarkets
- 3 restaurants & cafés
- 3 parks
- 5 playgrounds
- 1 libraries
- 1 post offices
- 5 places of worship
- 2 banks
- 1 gas stations
- 3 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