Residential delivery area · Idaho
ZIP Code 83861: Saint Maries, ID
ZIP code 83861 uses the postal name Saint Maries, Idaho and lies mostly in Benewah County (89% of its land), reaching into Shoshone County and Kootenai County (Census 2020 ZIP-county file). About 7,300 people live there (Census Bureau, ACS 2020-2024). Median household income is $65,508 (Census Bureau, ACS 2020-2024). By Census place, its land lies in St. Maries (under 1%) and Parkline (under 1%); more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Saint Maries · its only residential ZIP
- County
- Benewah County (89%); Shoshone County (6%); Kootenai County (5%)
- Census places
- St. Maries (under 1%); Parkline (under 1%) census-designated place
- House district
- ID-1 119th Congress
- State
- Idaho
- Time zone
- Pacific
- Land area
- 456.4 sq mi · 16 people per sq mi
Where is ZIP code 83861?
83861 centers on 47.249°, -116.587° and covers 456.4 square miles of land plus 6.2 of water. It borders 8 ZIP codes: 83866, 83842, 83870, 83851, 83834, 83833, 83876, 83808.
The map draws ZIP code areas only. For the streets inside 83861, 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 83861 compare with the rest of Benewah County?
| Measure | 83861 | In Benewah County | In ID |
|---|---|---|---|
| People (ACS 2020-2024) | 7,275 | 1st of 7 | 60th of 279 |
| Median household income | $66k | 1st of 2 | 92nd of 126 |
| Median home value | $308k | 1st of 2 | 95th of 138 |
Its median household income is higher than in 39% of U.S. residential ZIP codes, and it is denser than 23% 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 83861?
The 2020 Census counted 6,581 people in 83861; the ACS, which samples households over 2020-2024, estimates 7,275. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 7,275
- 2020 Census count
- 6,581
- Households
- 3,099
- Median age
- 48.1
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 83861?
Of the 7,275 people the ACS estimates in 83861, 20.2% are under 18 and 26.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (92.7%).
- Under 1820.2%
- 18 to 6452.9%
- 65 and older26.8%
- White, not Hispanic92.7%
- Other or two or more4.8%
- Hispanic or Latino2.1%
- Black, not Hispanic0.3%
- Asian, not Hispanic0.1%
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 83861 earn?
Median household income is $65,508 (ACS 2020-2024).
- Median household income
- $65,508
- Income per person
- $34,816
- Below the poverty line
- 11.4%
- Unemployed (of the labor force)
- 3.3%
- Adults 25+ with a bachelor's degree
- 21.5%
- Adjusted gross income per tax return, 2022
- $64,5143,050 returns; wages 64% 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 83861?
FHFA's house price index for 83861, built from repeat sales and appraisals of the same homes, rose 127% from 2015 to 2025 and rose 72% from 2020 to 2025, and moved +15.3% in 2025.
- Median home value (owners' estimate)
- $307,800
- Median gross rent
- $923
- Homes owned by their occupants
- 76.3%
- Housing units
- 3,442
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 83861?
222 business establishments had a location in this ZIP code in 2023, 29 more than in 2018; the most are in agriculture, forestry, fishing and hunting (ZIP Code Business Patterns).
- Agriculture, forestry, fishing and hunting33
- Retail trade29
- Construction28
- Transportation and warehousing26
- Accommodation and food services25
- Other services (except public administration)20
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 83861?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 83866 | Santa | 352 | $32k | 10.1 mi |
| 83842 | Medimont | 141 | $91k | 13.7 mi |
| 83870 | Tensed | 421 | $51k | 14.7 mi |
| 83851 | Plummer | 2,113 | $57k | 15.0 mi |
| 83834 | Harvard | 189 | $99k | 17.9 mi |
| 83833 | Harrison | 1,365 | $82k | 20.5 mi |
| 83876 | Worley | 1,563 | $61k | 22.2 mi |
| 83808 | Calder | 132 | – | 25.0 mi |
| 83830 | Fernwood | 45 | $108k | 16.1 mi (near) |
| 83824 | Desmet | 452 | $53k | 19.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.