ZIP code · Portage Des Sioux · Missouri · United States
ZIP code 63373 — Portage Des Sioux
ZIP code 63373 serves Portage Des Sioux, Missouri.
- Postal code
- 63373Single source Value from one source, not cross-checked.
- County
- Saint Charles FIPS 29183
- State
- Missouri
- Country
- United States
- Coordinates
- 38.9259, -90.3863 — precision precise (locality)
View on OpenStreetMap - Population
- 717 (ZCTA, ACS 5-year)
- Population density
- 38 / sq mi
- Land area
- 18.7 sq mi (48.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $77,250
- Per-capita income
- $38,379
- Median age
- 50.6
- Households
- 282
- Housing units
- 353
- Median home value
- $206,500
- Median gross rent
- $1,035 / month
- Congressional district
- MO-3 (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
- 636Telephone 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 63373 with another ZIP · ZIPs within 25 miles · distance from 63373
Map of ZIP code 63373
Climate — monthly normals
Warmest month Jul (avg high 89°F), coldest Jan (avg low 22°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 40 | 45 | 56 | 68 | 77 | 86 | 89 | 88 | 81 | 69 | 55 | 44 |
| Avg low °F | 22 | 26 | 34 | 45 | 56 | 65 | 68 | 66 | 57 | 46 | 35 | 27 |
| Precip in | 2.5 | 1.9 | 3.1 | 4.2 | 4.6 | 4.5 | 3.7 | 3.7 | 3.0 | 2.7 | 3.1 | 2.4 |
NOAA 1991–2020 climate normals from the nearest station: ST CHARLES CO AP (2.2 mi) · NOAA NCEI
Places in ZIP 63373
- 6 schools
- 1 libraries
- 1 post offices
- 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