Residential delivery area · California
ZIP Code 95666: Pioneer, CA
ZIP code 95666 uses the postal name Pioneer, California and lies entirely in Amador County (Census 2020 ZIP-county file). About 6,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $84,311 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Buckhorn (6%), Amador Pines (5%) and Pioneer (5%), and 4% in smaller places; 81% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Pioneer · its only residential ZIP
- County
- Amador County
- Census places
- Buckhorn (6%) census-designated place; Amador Pines (5%) census-designated place; Pioneer (5%) census-designated place
- House district
- CA-5 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 84.0 sq mi · 71 people per sq mi
Where is ZIP code 95666?
95666 centers on 38.541°, -120.329° and covers 84.0 square miles of land plus 2.3 of water. It borders 7 ZIP codes: 95684, 95255, 95726, 95689, 95646, 96155, 95665.
The map draws ZIP code areas only. For the streets inside 95666, 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 95666 compare with the rest of Amador County?
| Measure | 95666 | In Amador County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 5,994 | 3rd of 12 | 1,100th of 1,802 |
| Median household income | $84k | 4th of 6 | 778th of 1,189 |
| Median home value | $387k | 7th of 7 | 1,112th of 1,317 |
Its median household income is higher than in 67% of U.S. residential ZIP codes, and it is denser than 48% 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 95666?
The 2020 Census counted 5,398 people in 95666; the ACS, which samples households over 2020-2024, estimates 5,994. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 5,994
- 2020 Census count
- 5,398
- Households
- 2,581
- Median age
- 56.4
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 95666?
Of the 5,994 people the ACS estimates in 95666, 13.0% are under 18 and 31.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (78.5%), then Hispanic or Latino (12.9%).
- Under 1813.0%
- 18 to 6455.8%
- 65 and older31.2%
- White, not Hispanic78.5%
- Hispanic or Latino12.9%
- Other or two or more7.1%
- Asian, not Hispanic1.2%
- Black, not Hispanic0.3%
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 95666 earn?
Median household income is $84,311 (ACS 2020-2024), the 4th highest of the 6 ranked ZIP codes in Amador County.
- Median household income
- $84,311±$8,654
- Income per person
- $48,397
- Below the poverty line
- 8.9%
- Unemployed (of the labor force)
- 3.7%
- Adults 25+ with a bachelor's degree
- 22.7%
- Adjusted gross income per tax return, 2022
- $72,2402,390 returns; wages 59% 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 95666?
FHFA's house price index for 95666, built from repeat sales and appraisals of the same homes, rose 62% from 2015 to 2025 and rose 19% from 2020 to 2025, and moved −0.1% in 2025.
- Median home value (owners' estimate)
- $386,500
- Median gross rent
- $1,900
- Homes owned by their occupants
- 88.1%
- Housing units
- 3,560
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 95666?
58 business establishments had a location in this ZIP code in 2023, 11 more than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services11
- Retail trade10
- Other services (except public administration)7
- Construction6
- Health care and social assistance6
- Administrative and support and waste management and remediation services5
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 95666?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 95684 | Somerset | 2,708 | $87k | 9.5 mi |
| 95255 | West Point | 1,955 | $51k | 11.7 mi |
| 95726 | Pollock Pines | 8,450 | $91k | 15.9 mi |
| 95689 | Volcano | 1,429 | $123k | 16.2 mi |
| 95646 | Kirkwood | 218 | – | 18.1 mi |
| 96155 | South Lake Tahoe | 0 | – | 20.1 mi |
| 95665 | Pine Grove | 4,465 | $87k | 20.2 mi |
| 95636 | Grizzly Flats | 1,410 | $92k | 9.8 mi (near) |
| 95257 | Wilseyville | 569 | $71k | 13.5 mi (near) |
| 95248 | Rail Road Flat | 60 | – | 17.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.