Pioneer, CA · standard
ZIP Code 95666
Amador County, California - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 5,336
- 37/sq mi Moderate-density area
- $84,311
- Median income Above-median income area
- $386,500
- Median home value Above-median home value
- 22.7%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Pioneer pairs an above-median household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 33%
- household income, US ZIPs
- Top 22%
- home value, US ZIPs
- 37
- people per sq mi
- 88%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 95666 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 95666 (Pioneer, CA) fell -5.0% from 2023 to 2024. The all-transactions index moved from 231.5 in 2023 to 220.0 in 2024 (2000 = 100).
ZIP code 95666 is a mid-sized community (a standard USPS delivery area) in Pioneer, Amador County, California, home to 5,336 residents across 144.2 square miles, a density of 37 people per square mile, in the Los Angeles time zone.
ZIP 95666 lands in the middle-income range, with a median household income of $84,311 (17% below the average California ZIP), while per-capita income is $48,397. The poverty rate is 8.9%, with unemployment at 3.7%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $386,500 (50% below the average California ZIP), and median rent is $1,900; owner occupancy is 88.1%.
Educational attainment sits below the national norm: 22.7% of adults hold a bachelor's degree or higher, the median age is 56.4, and the average commute is -. The page also surfaces 2 ZIP codes within roughly 10 miles and 6 more in Amador County, so 95666 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 95666
Top 5 sectors by establishment count in Pioneer, CA
Which industries have the most business establishments in ZIP 95666.
- Accommodation and food services
Accommodation and food services
11 establishments
- Retail trade
Retail trade
10 establishments
- Other services (except public administration)
Other services (except public administration)
7 establishments
- Construction
Construction
6 establishments
- Health care and social assistance
Health care and social assistance
6 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 95666, Pioneer, CA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
5,336
Population
144.2
Area (sq mi)
37
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 95666?
56.4
Median Age
55.2%
Male
44.8%
Female
2.3%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$84,311
Median Household Income
-17% vs state ZIP avg
$48,397
Per Capita Income
8.9%
Poverty Rate
3.7%
Unemployment Rate
How ZIP 95666 ranks among California ZIPs
Pioneer, CA household income vs. every California ZIP code
Median household income among 1,583 reporting California ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$84,311 41st percentile higher than 41% of 1,583 California ZIPs
Each bar is a $20K-wide band; taller bars hold more California ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
3,560housing units
3,560
Total Housing Units
2,581
Occupied Units
979
Vacant Units
2.32
Avg Household Size
Occupancy Type
$386,500
Median Home Value
-50% vs state ZIP avg
$1,900
Median Rent
1982
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
-5.0%
YoY Change (2024)
220
HPI Index (2000 = 100)
+120%
Total Change Since 2000
Home values in ZIP 95666 have decreased 5.0% over the past year (2024). Since 2000, this ZIP has seen +120% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | -0.5% | 184 |
| 2021 | +16.9% | 215 |
| 2022 | +10.6% | 238 |
| 2023 | -2.6% | 232 |
| 2024 | -5.0% | 220 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 58 business establishments in ZIP 95666, employing approximately 235 people with a combined annual payroll of $8,701,000.
58
Businesses
235
Employees
$8.7M
Annual Payroll
8
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Accommodation and food services | 11 | 19.0% |
| Retail trade | 10 | 17.2% |
| Other services (except public administration) | 7 | 12.1% |
| Construction | 6 | 10.3% |
| Health care and social assistance | 6 | 10.3% |
| Administrative and support and waste management and remediation services | 5 | 8.6% |
| Finance and insurance | 3 | 5.2% |
| Real estate and rental and leasing | 3 | 5.2% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 95666 vs 95636 →
ZIP 95666 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 95666
Pioneer (95666)
5,336 residents
- 95255 2,042
West Point (95255)
2,042 residents
- 95636 1,101
Grizzly Flats (95636)
1,101 residents
What this shows Among its immediate neighbors, ZIP 95666 ranks the most populous - useful context the national average alone can't give.
ZIP 95666 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 95636
Grizzly Flats (95636)
$92,004 median income
- 95666
Pioneer (95666)
$84,311 median income
- 95255
West Point (95255)
$51,364 median income
What this shows By household income, ZIP 95666 ranks #2 of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 95666, both outside CA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (5,336 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Amador County
Related Areas
Frequently Asked Questions
What county is ZIP code 95666 in?
ZIP code 95666 (Pioneer) is located in Amador County, California. Amador County contains multiple ZIP codes, see the full list at /counties/amador-ca.
What is the population of ZIP code 95666?
ZIP code 95666 in Pioneer, CA has a population of 5,336 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 95666?
The median household income in ZIP 95666 is $84,311, which is 11% above the national average of $76,288.
What is the average home value in ZIP 95666?
The median home value in ZIP 95666 is $386,500, which is 39% above the national average of $278,155.
What is the demographic makeup of ZIP 95666?
The largest racial group in ZIP 95666 is White at 84.0%. Hispanic or Latino residents make up 12.9% of the population.
How many businesses are in ZIP code 95666?
ZIP code 95666 has 58 business establishments employing approximately 235 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 95666?
The top industries by establishment count in ZIP 95666 are: Accommodation and food services (11), Retail trade (10), Other services (except public administration) (7). There are 8 industry sectors represented in total.
How have home values changed in ZIP code 95666?
According to the FHFA House Price Index, home values in ZIP 95666 decreased by 5.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 120%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 95666?
In ZIP code 95666, 55.8% of residents aged 25+ have a high school diploma or higher, and 22.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 95666?
In ZIP code 95666, approximately 88.1% of occupied housing units are owner-occupied and 11.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 95666?
The poverty rate in ZIP code 95666 is 8.9% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 95666's numbers, next.
- See how ZIP 95666 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Pioneer, CA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.