Residential delivery area · Idaho
ZIP Code 83611: Cascade, ID
ZIP code 83611 uses the postal name Cascade, Idaho and lies mostly in Valley County (60% of its land) with the rest in Idaho County (Census 2020 ZIP-county file). About 3,300 people live there (Census Bureau, ACS 2020-2024). Median household income is $77,411 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Cascade (under 1%) and Smiths Ferry (under 1%); more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Cascade · its only residential ZIP
- County
- Valley County (60%); Idaho County (40%)
- Census places
- Cascade (under 1%); Smiths Ferry (under 1%) census-designated place
- House district
- ID-1 119th Congress
- State
- Idaho
- Time zone
- Mountain
- Land area
- 2,678.8 sq mi · 1 person per sq mi
Where is ZIP code 83611?
83611 centers on 45.344°, -115.052° and covers 2,678.8 square miles of land plus 38.4 of water. It borders 9 ZIP codes: 83677, 83525, 83638, 83469, 83549, 83539, 83615, 83278, 83657.
The map draws ZIP code areas only. For the streets inside 83611, 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 83611 compare with the rest of Valley County?
| Measure | 83611 | In Valley County | In ID |
|---|---|---|---|
| People (ACS 2020-2024) | 3,329 | 2nd of 5 | 86th of 279 |
| Median household income | $77k | 1st of 2 | 48th of 126 |
| Median home value | $429k | 3rd of 3 | 41st of 138 |
Its median household income is higher than in 58% of U.S. residential ZIP codes, and it is denser than 5% 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 83611?
The 2020 Census counted 2,596 people in 83611; the ACS, which samples households over 2020-2024, estimates 3,329. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 3,329±615 (90% margin)
- 2020 Census count
- 2,596
- Households
- 944
- Median age
- 46.5
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 83611?
Of the 3,329 people the ACS estimates in 83611, 15.8% are under 18 and 21.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (81.9%), then Hispanic or Latino (11.3%).
- Under 1815.8%
- 18 to 6462.5%
- 65 and older21.7%
- White, not Hispanic81.9%
- Hispanic or Latino11.3%
- Other or two or more5.9%
- Asian, not Hispanic0.8%
- Black, not Hispanic0.2%
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 83611 earn?
Median household income is $77,411 (ACS 2020-2024).
- Median household income
- $77,411±$9,680
- Income per person
- $33,364
- Below the poverty line
- 11.2%
- Unemployed (of the labor force)
- 5.6%
- Adults 25+ with a bachelor's degree
- 33.6%
- Adjusted gross income per tax return, 2022
- $80,3781,250 returns; wages 42% 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 83611?
FHFA's house price index for 83611, built from repeat sales and appraisals of the same homes, rose 198% from 2015 to 2025 and rose 79% from 2020 to 2025, and moved +14.5% in 2025.
- Median home value (owners' estimate)
- $429,400
- Median gross rent
- $1,163
- Homes owned by their occupants
- 84.0%
- Housing units
- 3,284
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 83611?
96 business establishments had a location in this ZIP code in 2023, 20 more than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services21
- Construction16
- Retail trade16
- Professional, scientific, and technical services9
- Real estate and rental and leasing7
- Other services (except public administration)6
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 83611?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 83677 | Yellow Pine | 17 | – | 23.3 mi |
| 83525 | Elk City | 296 | $45k | 32.0 mi |
| 83638 | McCall | 7,750 | $75k | 35.6 mi |
| 83469 | Shoup | 25 | – | 36.6 mi |
| 83549 | Riggins | 587 | $57k | 59.0 mi |
| 83539 | Kooskia | 2,427 | $58k | 63.9 mi |
| 83615 | Donnelly | 1,452 | $75k | 65.4 mi |
| 83278 | Stanley | 454 | $82k | 70.6 mi |
| 83657 | Ola | 156 | $51k | 98.0 mi |
| 83466 | North Fork | 197 | – | 49.6 mi (near) |
| 59829 | Darby, MT | 2,148 | $64k | 50.8 mi (near) |
| 83654 | New Meadows | 1,763 | $92k | 58.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.