ZIP code · Post Falls · Idaho · United States
ZIP code 83854 — Post Falls
ZIP code 83854 serves Post Falls, Idaho.
- Postal code
- 83854Single source Value from one source, not cross-checked.
- City
- Post Falls
- County
- Kootenai FIPS 16055
- State
- Idaho
- Country
- United States
- Coordinates
- 47.7205, -116.9353 — precision precise (locality)
View on OpenStreetMap - Population
- 53,152 (ZCTA, ACS 5-year)
- Population density
- 685 / sq mi
- Land area
- 77.6 sq mi (200.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $72,820
- Per-capita income
- $32,969
- Median age
- 36
- Households
- 19,423
- Housing units
- 20,440
- Median home value
- $433,700
- Median gross rent
- $1,311 / month
- Congressional district
- ID-1 (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/Los_Angeles (UTC−8 / UTC−7 DST)
Tools: compare 83854 with another ZIP · ZIPs within 25 miles · distance from 83854
Map of ZIP code 83854
Climate — monthly normals
Warmest month Aug (avg high 83°F), coldest Jan (avg low 26°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 36 | 41 | 48 | 56 | 66 | 72 | 83 | 83 | 74 | 58 | 44 | 36 |
| Avg low °F | 26 | 27 | 31 | 37 | 44 | 51 | 57 | 56 | 48 | 39 | 32 | 26 |
| Precip in | 3.2 | 2.1 | 2.7 | 1.9 | 2.1 | 2.2 | 0.7 | 0.8 | 0.8 | 2.0 | 3.3 | 3.5 |
NOAA 1991–2020 climate normals from the nearest station: COEUR D'ALENE (7.0 mi) · NOAA NCEI
Places in ZIP 83854
- 24 schools
- 18 hospitals & clinics
- 15 doctors & dentists
- 6 supermarkets
- 84 restaurants & cafés
- 15 bars & pubs
- 63 parks
- 40 playgrounds
- 12 gyms & sports centres
- 1 libraries
- 3 post offices
- 27 places of worship
- 17 banks
- 33 gas stations
- 1 EV charging stations
- 5 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