Residential delivery area · Idaho
ZIP Code 83858: Rathdrum, ID
ZIP code 83858 uses the postal name Rathdrum, Idaho and lies entirely in Kootenai County (Census 2020 ZIP-county file). About 20,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $95,380 (Census Bureau, ACS 2020-2024). By Census place, 5% of its land lies in Rathdrum; 95% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Rathdrum · its only residential ZIP
- County
- Kootenai County
- Census places
- Rathdrum
- Metro area
- Coeur d'Alene, ID
- House district
- ID-1 119th Congress
- State
- Idaho
- Time zone
- Pacific
- Land area
- 112.1 sq mi · 180 people per sq mi
Where is ZIP code 83858?
83858 centers on 47.855°, -116.904° and covers 112.1 square miles of land plus 1.5 of water. It borders 6 ZIP codes: 83869, 99025, 83854, 83835, 99021, 83801.
The map draws ZIP code areas only. For the streets inside 83858, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 83858 compare with the rest of Kootenai County?
| Measure | 83858 | In Kootenai County | In ID |
|---|---|---|---|
| People (ACS 2020-2024) | 20,137 | 5th of 13 | 36th of 279 |
| Median household income | $95k | 1st of 9 | 13th of 126 |
| Median home value | $508k | 7th of 11 | 27th of 138 |
Its median household income is higher than in 78% of U.S. residential ZIP codes, and it is denser than 61% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 83858?
The 2020 Census counted 17,113 people in 83858; the ACS, which samples households over 2020-2024, estimates 20,137. Between the 2010 and 2020 censuses its population grew 25.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 20,137
- 2020 Census count
- 17,113+25.3% since 2010 (13,656)
- Households
- 7,243
- Median age
- 40.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 83858?
Of the 20,137 people the ACS estimates in 83858, 23.0% are under 18 and 18.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (87.3%).
- Under 1823.0%
- 18 to 6458.6%
- 65 and older18.3%
- White, not Hispanic87.3%
- Other or two or more6.7%
- Hispanic or Latino5.6%
- Asian, not Hispanic0.4%
- Black, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 83858 earn?
Median household income is $95,380 (ACS 2020-2024), the highest of the 9 ranked ZIP codes in Kootenai County. It rose from $80,422 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $95,380
- Income per person
- $43,744
- Below the poverty line
- 8.0%
- Unemployed (of the labor force)
- 2.4%
- Adults 25+ with a bachelor's degree
- 25.9%
- Adjusted gross income per tax return, 2022
- $80,2358,990 returns; wages 66% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 83858?
FHFA's house price index for 83858, built from repeat sales and appraisals of the same homes, rose 161% from 2015 to 2025 and rose 60% from 2020 to 2025, and moved +5.8% in 2025.
- Median home value (owners' estimate)
- $507,600
- Median gross rent
- $1,408
- Homes owned by their occupants
- 81.7%
- Housing units
- 8,153
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 83858?
457 business establishments had a location in this ZIP code in 2023, 137 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction130
- Professional, scientific, and technical services37
- Retail trade36
- Manufacturing34
- Other services (except public administration)33
- Accommodation and food services32
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 83858?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 83869 | Spirit Lake | 5,504 | $67k | 8.8 mi |
| 99025 | Newman Lake, WA | 5,668 | $119k | 9.0 mi |
| 83854 | Post Falls | 54,851 | $83k | 9.5 mi |
| 83835 | Hayden | 24,238 | $91k | 12.0 mi |
| 99021 | Mead, WA | 8,942 | $86k | 13.1 mi |
| 83801 | Athol | 7,553 | $71k | 13.9 mi |
| 83815 | Coeur D Alene | 41,405 | $78k | 10.4 mi (near) |
| 83804 | Blanchard | 2,092 | $59k | 13.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.