Post Falls, ID ZIP Codes
One ZIP code serves Post Falls, Idaho: 83854. Together they are home to 54,851 residents in 20,056 households.
Post Falls city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 43,391 |
| Households | 16,009 |
| Median household income | $82,183 |
| Median home value | $477,400 |
| Median age | 35 |
| Median rent | $1,469 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 54,851 |
| Households (sum of ZIP codes) | 20,056 |
| Median household income, range across ZIP codes | $82,742 (83854) to $82,742 (83854) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $82,742 |
| Homeowners | 67.9% |
| Households with kids under 18 | 33.1% |
| Moved in the past year | 11.4% |
| Carrier routes in EDDM2GO's route library | 29 routes, 23,719 homes (1 of 1 ZIP codes) |
Every ZIP code in Post Falls
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 83854 | Post Falls | 54,851 | 20,056 | $82,742 | $489,800 | 67.9% | 33.1% | 11.4% | 29 | 25,036 | 20% of its land; mailing city |
A ZIP code is listed for Post Falls when at least 10% of its land lies inside Post Falls city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Post Falls. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Post Falls.
Counties
- Kootenai County — 11 ZIP codes
Price a mailing to Post Falls ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Post Falls, ID?
- 83854. A ZIP code is listed for Post Falls when at least 10% of its land lies inside Post Falls city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Post Falls.
- What is the population of Post Falls, ID?
- The Census Bureau counts 43,391 residents inside Post Falls city limits (ACS 2020–2024). The 1 ZIP code that serve Post Falls hold 54,851 residents in all.
- What is the median household income in Post Falls, ID?
- $82,183 inside Post Falls city limits, per the Census Bureau. Across its ZIP codes the medians run from $82,742 to $82,742.
- How many carrier routes and mailboxes are in Post Falls, ID?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 29 carrier routes reaching 23,719 residential and 1,316 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.