Kootenai County, ID ZIP codes
There are 13 ZIP codes in Kootenai County, ID, in 10 towns, from 83801 to 83877. The largest are 83854 (Post Falls), 83815 (Coeur d'Alene) and 83814 (Coeur d'Alene).
The county seat is Coeur d'Alene.
- ZIP codes
- 13
- Towns
- 10
- County seat
- Coeur d'Alene
- County FIPS
16055- State
- Idaho
- Population
- 181,996
- Median household income
- $81,861
- Land area
- 1,238 sq mi
- Metro area
- Coeur d'Alene
Kootenai County ZIP codes by town
- Coeur d'Alene (county seat)
- 83814, 83815, 83816
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Kootenai County ZIP codes
The ZIP codes of Kootenai County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Kootenai County in numbers
About 181,996 people live in Kootenai County, in 71,172 households, the 3rd most populous of Idaho's 44 counties. The median household income is $81,861 a year, 5% above the Idaho median of $77,800 (US: $80,734). The median owner-occupied home is valued at $518,700 (24% above the Idaho median), and median gross rent is $1,492 a month. The median age is 40.9; 30.0% of adults 25 and over hold a bachelor's degree or higher (31.8% across Idaho); the average commute takes 23 minutes.
| Population | 181,996 |
|---|---|
| Households | 71,172 |
| Median age | 40.9 |
| Median household income | $81,861 |
| Median home value | $518,700 |
| Median gross rent | $1,492 |
| Bachelor's degree or higher | 30.0% |
| Mean commute | 22.8 min |
| Population density | 147 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Kootenai County
| Town | ZIP codes | Population |
|---|---|---|
| Coeur d'Alene | 3 | 56,447 |
| Post Falls | 2 | 43,391 |
| Hayden | 1 | 16,338 |
| Rathdrum | 1 | 10,874 |
| Spirit Lake | 1 | 1,972 |
| Cataldo | 1 | 1,412 |
| Athol | 1 | 777 |
| Worley | 1 | 230 |
| Harrison | 1 | 190 |
| Medimont | 1 | 141 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Kootenai County.
Not sure you are in Kootenai County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Kootenai County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
83801 | Athol , ID | Standard | 7,553 | $71,108 | $612,500 |
83810 | Cataldo , ID | Standard | 1,412 | $132,344 | $570,600 |
83814 | Coeur d'Alene , ID | Standard | 26,059 | $74,782 | $589,600 |
83815 | Coeur d'Alene , ID | Standard | 41,405 | $77,864 | $498,300 |
83816 | Coeur d'Alene , ID | No street area | — | — | — |
83833 | Harrison , ID | Standard | 1,365 | $81,568 | $562,100 |
83835 | Hayden , ID | Standard | 24,238 | $91,316 | $562,000 |
83842 | Medimont , ID | Standard | 141 | $91,429 | $625,000 |
83854 | Post Falls , ID | Standard | 54,851 | $82,742 | $489,800 |
83858 | Rathdrum , ID | Standard | 20,137 | $95,380 | $507,600 |
83869 | Spirit Lake , ID | Standard | 5,504 | $67,099 | $466,000 |
83876 | Worley , ID | Standard | 1,563 | $60,729 | $536,700 |
83877 | Post Falls , ID | No street area | — | — | — |
Cite this page
zipcodes.pro. “Kootenai County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/id/county/kootenai
Underlying data is public domain or openly licensed — sources, vintages and licences.