95666 ZIP Code — Pioneer, CA

Amador County, California

ZIP code 95666 is located in Pioneer, California, within Amador County. It covers approximately 83.98 square miles and serves a population of 5,885 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 209.

About ZIP code 95666

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $328,900. Owner-occupancy is high at 92%, well above the national average.

Median household income is $75,558. The poverty rate of 7% is below the national average. 49% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is service, with retail trade as the leading industry. An above-average commute of 50 minutes suggests many residents work outside the immediate area.

College attainment at 19% is below the national average, consistent with a trades and production-oriented local economy.

Notable community characteristics include a notable veteran presence at 14% of civilians, above the national average of 7%.

Overall, ZIP code 95666 reflects a community defined by a trades-oriented workforce, a strong veteran community, high homeownership, and a significant Social Security-dependent population.

5,885

population

83.98

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

95666 ZIP code map

Cities in ZIP code 95666

Below are the cities the US Postal Service accepts for ZIP code 95666. Using any city not on this list may result in mail delivery delays.

City	Status
Pioneer	Acceptable
Pioneer	Preferred

Nearby ZIP codes

95255 West Point (9 mi) 95684 Somerset (10.3 mi) 95636 Grizzly Flats (11.1 mi) 95257 Wilseyville (13.7 mi) 95689 Volcano (15.4 mi) 95629 Fiddletown (16.4 mi) 95223 Arnold (16.7 mi) 95720 Kyburz (16.9 mi) 95726 Pollock Pines (17.6 mi) 95232 Glencoe (19.1 mi) 95245 Mokelumne Hill (19.4 mi)

Demographics updated 05/2026

Population
Total population	5,885
Population density	70 / sq mi
State FIPS	06
County FIPS	005

Geography
Land area	83.98 sq mi
Water area	2.25 sq mi
Latitude	38.5627
Longitude	-120.3490
Timezone	Pacific (PT)
Area code	209

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	37.8%	38.5%	32.6%
$50k – $100k	33.2%	33.1%	27.7%
$100k – $200k	23.2%	21.8%	26.4%
Over $200k	5.8%	6.6%	13.3%

Demographics & statistics

5,885

Population

People per sq mi

56.1

Median age

$75,558

Median household income

$41,343

Per capita income

$328,900

Median home value

$1,005

Median monthly rent

91.5%

Home ownership

7.0%

Poverty rate

5.3%

Unemployment

3,615

Housing units

19.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

113

5–9

10–14

204

15–19

153

126

20–24

185

25–34

139

361

35–44

270

430

45–54

322

367

55–59

275

325

60–64

244

750

65–74

562

259

75–84

195

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	686	11.7%
18 and over	5,199	88.3%
65 and over	1,916	32.6%
Median age	56.1 years

Race & ethnicity

White 81.1%

Two or more races 8.5%

Hispanic or Latino 6.5%

Other race 2.4%

Asian 0.7%

Black or African American 0.4%

American Indian / Alaska Native 0.2%

Native Hawaiian / Pacific Islander 0.2%

Group	Count	%
White	5,104	81.1%
Two or more races	535	8.5%
Hispanic or Latino	410	6.5%
Other race	151	2.4%
Asian	44	0.7%
Black or African American	24	0.4%
American Indian / Alaska Native	14	0.2%
Native Hawaiian / Pacific Islander	13	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	37.8%	38.5%	32.6%
$50k – $100k	33.2%	33.1%	27.7%
$100k – $200k	23.2%	21.8%	26.4%
Over $200k	5.8%	6.6%	13.3%

Under $10k 5.3%

$10k–$15k 1.0%

$15k–$25k 7.3%

$25k–$35k 7.2%

$35k–$50k 14.1%

$50k–$75k 14.1%

$75k–$100k 16.2%

$100k–$150k 20.3%

$150k–$200k 8.5%

$200k+ 5.8%

Range	% of households
Under $10k	5.3%
$10k–$15k	1.0%
$15k–$25k	7.3%
$25k–$35k	7.2%
$35k–$50k	14.1%
$50k–$75k	14.1%
$75k–$100k	16.2%
$100k–$150k	20.3%
$150k–$200k	8.5%
$200k+	5.8%
Median income	$75,558

Housing

Home values

Under $50k 2.4%

$50k–$100k 3.1%

$100k–$150k 1.1%

$150k–$200k 5.0%

$200k–$300k 30.5%

$300k–$500k 44.2%

$500k–$1M 12.7%

$1M+ 1.0%

Housing overview

Metric	Value
Median home value	$328,900
Median rent / month	$1,005
Owner occupied	91.5%
Renter occupied	8.5%
Vacant	34.3%
Single-family detached	94.5%
Large apartment buildings	0.0%
Mobile homes	4.3%
Median rooms	5.2
Avg household size (owned)	2.32

Year built

Era	%
2020 or later	0.0%
2010–2019	0.9%
2000–2009	8.4%
1990–1999	18.7%
1980–1989	19.8%
1970–1979	36.2%
1960–1969	10.6%
1950–1959	1.5%
1940–1949	1.6%
1939 or earlier	2.3%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	7.2%
2 bedrooms	35.5%
3 bedrooms	43.6%
4 bedrooms	10.7%
5+ bedrooms	1.7%

Vehicles per household

Vehicles	% of households
No vehicle	3.1%
1 vehicle	19.4%
2 vehicles	37.1%
3 or more	40.4%

Heating fuel

Fuel type	%
Utility gas	4.5%
Electricity	17.4%
Propane / LP gas	39.7%
Fuel oil	0.9%
Wood	33.4%
Solar	0.2%

Households & families

Household type	Count	%
Married-couple family	1,290	51.3%
Cohabiting couple	183	7.3%
Male householder, no spouse	624	24.8%
Female householder, no spouse	419	16.7%
Households with children under 18	411	16.3%
Households with seniors (65+)	1,270	50.5%
Average household size	2.34

Marital status

Status	Male	Female
Never married	29.4%	19.0%
Married	48.8%	54.7%
Separated	0.7%	4.9%
Widowed	6.5%	6.2%
Divorced	14.7%	15.2%

Education

Less than 9th grade 2.7%

Some HS, no diploma 4.2%

HS graduate 32.5%

Some college, no degree 28.1%

Associate's degree 13.2%

Bachelor's degree 14.1%

Graduate / professional 5.2%

Metric	%
HS diploma or higher	93.2%
Bachelor's or higher	19.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	34	4.4%
Kindergarten	36	4.7%
Elementary school	286	37.3%
High school	191	24.9%
College / grad school	220	28.7%

Employment

Industry of employment

Retail trade 15.0%

Arts, food & hospitality 14.1%

Education & healthcare 12.8%

Public administration 11.9%

Construction 11.3%

Professional & management 7.6%

Other services 6.7%

Transportation & utilities 6.2%

Manufacturing 5.2%

Finance & real estate 4.3%

Information 2.1%

Agriculture & mining 1.6%

Wholesale trade 1.3%

Occupation

Category	%
Management, business & arts	23.2%
Service	27.7%
Sales & office	25.2%
Natural resources & construction	11.0%
Production & transportation	13.0%

Employment type

Type	%
Private sector	61.9%
Government	24.2%
Self-employed	13.3%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	68.8%
Carpool	10.3%
Public transit	0.8%
Walk	1.0%
Work from home	18.7%
Other means	0.3%
Avg commute (minutes)	50.1

Poverty

All people 7.0%

Under 18 years 5.5%

18 and over 7.2%

Married-couple families 3.9%

Female-led households 5.9%

Income support

Source	% of households
Social Security	48.9%
Retirement income	36.5%
Supplemental Security	7.0%
Cash public assistance	1.2%
Food stamps / SNAP	2.9%

Health indicators

Condition	%
Obesity	30.6%
High blood pressure	38.3%
High cholesterol	38.5%
Diabetes	12.7%
Heart disease	9.5%
Stroke	4.2%
Asthma	10.3%
Arthritis	32.6%
Kidney disease	3.9%
Pulmonary disease	9.8%
Cancer	9.4%

Behavior / access	%
Smoking	14.3%
Binge drinking	15.8%
No physical activity	20.9%
Less than 7 hrs sleep	31.9%
Depression	18.8%
Fair or poor health	17.0%
Poor mental health	13.8%
Poor physical health	13.0%
No health insurance	8.4%
Visited doctor (checkup)	72.7%
Visited dentist	65.7%
Cholesterol screening	94.0%
Teeth loss	11.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	725	13.9%

Disability	%
Any disability	20.5%
Under 18	12.7%
18–64 years	15.6%
65 and over	31.9%

Health insurance coverage

Type	%
Private insurance	68.6%
Public insurance	47.5%
No insurance	4.8%
Uninsured under 19	5.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,771	98.1%
Spanish	34	0.6%
Other Indo-European	10	0.2%
Asian & Pacific Islander	8	0.1%
Other languages	5	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,795	98.5%
Born in same state	5,749	97.7%
Born in different state	4,497	76.4%
Foreign born	46	0.8%
Naturalized citizen	90	1.5%
Not a US citizen	56	62.2%

Ancestry

Ancestry	Count	%
Italian	979	16.6%
French	950	16.1%
Arab	203	3.4%
English	114	1.9%

Ancestry	Count	%
Polish	112	1.9%
German	109	1.9%
Dutch	63	1.1%
Irish	13	0.2%

Technology access

Metric	% of households
Computer access	42.8%
Internet access	95.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 95666

What city is ZIP code 95666 in?

ZIP code 95666 is primarily assigned to Pioneer, California.

What county is ZIP code 95666 in?

ZIP code 95666 falls within Amador County, California.

Does ZIP code 95666 have an older population?

33% of residents in ZIP code 95666 are 65 or older, above the national average of ~17%.

Is ZIP code 95666 mostly owner-occupied?

92% of occupied units in ZIP code 95666 are owner-occupied, well above the national average.

Does ZIP code 95666 have a large retiree population?

49% of households in ZIP code 95666 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 95666 have a large veteran population?

14% of civilians in ZIP code 95666 are veterans, above the national average of ~7%.

What timezone is ZIP code 95666 in?

ZIP code 95666 observes the PST timezone.