83666 ZIP Code — Placerville, ID
Boise County, Idaho
ZIP code 83666 is located in Placerville, Idaho, within Boise County. It covers approximately 10.20 square miles and serves a population of 41 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 208.
41
population
10.20
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
83666 ZIP code map
Cities in ZIP code 83666
Below are the cities the US Postal Service accepts for ZIP code 83666. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Placerville | Acceptable |
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 41 |
| Population density | 4 / sq mi |
| State FIPS | 16 |
| County FIPS | 015 |
| Geography | |
|---|---|
| Land area | 10.20 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 43.9597 |
| Longitude | -115.9975 |
| Timezone | Mountain (MT) |
| Area code | 208 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 36.0% | 51.2% | 41.8% |
| $50k – $100k | 44.0% | 28.6% | 34.0% |
| $100k – $200k | 20.0% | 16.9% | 19.5% |
| Over $200k | 0.0% | 3.3% | 4.7% |
Demographics & statistics
41
Population
4
People per sq mi
65.5
Median age
$59,688
Median household income
$37,727
Per capita income
$187,500
Median home value
$0
Median monthly rent
76.2%
Home ownership
9.8%
Poverty rate
12.5%
Unemployment
81
Housing units
5.6%
Bachelor's or higher
Age distribution
Male
Female
1
Under 5
0
1
5–9
1
1
10–14
1
3
25–34
1
2
35–44
1
4
55–59
3
1
60–64
0
8
65–74
5
5
75–84
3
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 5 | 12.2% |
| 18 and over | 36 | 87.8% |
| 65 and over | 21 | 51.2% |
| Median age | 65.5 years | |
Race & ethnicity
White
100%
| Group | Count | % |
|---|---|---|
| White | 41 | 100% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 36.0% | 51.2% | 41.8% |
| $50k – $100k | 44.0% | 28.6% | 34.0% |
| $100k – $200k | 20.0% | 16.9% | 19.5% |
| Over $200k | 0.0% | 3.3% | 4.7% |
$15k–$25k
14.3%
$25k–$35k
9.5%
$35k–$50k
9.5%
$50k–$75k
23.8%
$75k–$100k
14.3%
$100k–$150k
28.6%
| Range | % of households |
|---|---|
| $15k–$25k | 14.3% |
| $25k–$35k | 9.5% |
| $35k–$50k | 9.5% |
| $50k–$75k | 23.8% |
| $75k–$100k | 14.3% |
| $100k–$150k | 28.6% |
| Median income | $59,688 |
Housing
Home values
Under $50k
18.8%
$50k–$100k
6.3%
$100k–$150k
6.3%
$150k–$200k
31.3%
$300k–$500k
31.3%
$1M+
6.3%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $187,500 |
| Median rent / month | $0 |
| Owner occupied | 76.2% |
| Renter occupied | 23.8% |
| Vacant | 75.6% |
| Single-family detached | 74.4% |
| Large apartment buildings | 0.0% |
| Mobile homes | 24.4% |
| Median rooms | 4.0 |
| Avg household size (owned) | 2.25 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 0.0% |
| 2000–2009 | 8.1% |
| 1990–1999 | 8.1% |
| 1980–1989 | 11.6% |
| 1970–1979 | 8.1% |
| 1960–1969 | 19.8% |
| 1950–1959 | 0.0% |
| 1940–1949 | 12.8% |
| 1939 or earlier | 31.4% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 45.3% |
| 2 bedrooms | 25.6% |
| 3 bedrooms | 12.8% |
| 4 bedrooms | 12.8% |
| 5+ bedrooms | 3.5% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 38.1% |
| 2 vehicles | 38.1% |
| 3 or more | 23.8% |
Heating fuel
| Fuel type | % |
|---|---|
| Electricity | 4.8% |
| Propane / LP gas | 33.3% |
| Wood | 61.9% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 13 | 61.9% |
| Cohabiting couple | 0 | 0.0% |
| Male householder, no spouse | 8 | 38.1% |
| Female householder, no spouse | 0 | 0.0% |
| Households with children under 18 | 2 | 9.5% |
| Households with seniors (65+) | 15 | 71.4% |
| Average household size | 1.95 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 0.0% | 0.0% |
| Married | 63.6% | 100.0% |
| Separated | 0.0% | 0.0% |
| Widowed | 0.0% | 0.0% |
| Divorced | 36.4% | 0.0% |
Education
Less than 9th grade
0.0%
Some HS, no diploma
2.8%
HS graduate
47.2%
Some college, no degree
38.9%
Associate's degree
5.6%
Bachelor's degree
2.8%
Graduate / professional
2.8%
| Metric | % |
|---|---|
| HS diploma or higher | 97.2% |
| Bachelor's or higher | 5.6% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 2 | 50.0% |
| Elementary school | 2 | 50.0% |
| High school | 0 | 0.0% |
| College / grad school | 0 | 0.0% |
Employment
Industry of employment
Construction
28.6%
Retail trade
28.6%
Information
28.6%
Education & healthcare
14.3%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 14.3% |
| Service | 0.0% |
| Sales & office | 28.6% |
| Natural resources & construction | 28.6% |
| Production & transportation | 28.6% |
Employment type
| Type | % |
|---|---|
| Private sector | 100.0% |
| Government | 0.0% |
| Self-employed | 0.0% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 57.1% |
| Carpool | 42.9% |
| Public transit | 0.0% |
| Walk | 0.0% |
| Work from home | 0.0% |
| Other means | 0.0% |
| Avg commute (minutes) | 0.0 |
Poverty
All people
9.8%
Under 18 years
0.0%
18 and over
11.1%
Married-couple families
15.4%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 71.4% |
| Retirement income | 76.2% |
| Supplemental Security | 0.0% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 0.0% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 34.8% |
| High blood pressure | 37.6% |
| High cholesterol | 38.1% |
| Diabetes | 12.2% |
| Heart disease | 8.2% |
| Stroke | 3.5% |
| Asthma | 8.7% |
| Arthritis | 28.4% |
| Kidney disease | 3.3% |
| Pulmonary disease | 7.7% |
| Cancer | 8.0% |
| Behavior / access | % |
|---|---|
| Smoking | 16.5% |
| Binge drinking | 14.0% |
| No physical activity | 20.7% |
| Less than 7 hrs sleep | 29.6% |
| Depression | 17.0% |
| Fair or poor health | 14.4% |
| Poor mental health | 11.2% |
| Poor physical health | 11.8% |
| No health insurance | 12.9% |
| Visited doctor (checkup) | 70.9% |
| Visited dentist | 67.5% |
| Cholesterol screening | 91.9% |
| Teeth loss | 11.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 13 | 36.1% |
| Disability | % |
|---|---|
| Any disability | 7.3% |
| Under 18 | 0.0% |
| 18–64 years | 0.0% |
| 65 and over | 14.3% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 68.3% |
| Public insurance | 58.5% |
| No insurance | 4.9% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 40 | 97.6% |
| Spanish | 0 | 0.0% |
| Other Indo-European | 0 | 0.0% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 40 | 97.6% |
| Born in same state | 40 | 97.6% |
| Born in different state | 22 | 53.7% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 1 | 2.4% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 13 | 31.7% |
| Italian | 11 | 26.8% |
| Arab | 6 | 14.6% |
| Ancestry | Count | % |
|---|---|---|
| Polish | 2 | 4.9% |
| English | 1 | 2.4% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 51.2% |
| Internet access | 100.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 83666
What city is ZIP code 83666 in?
ZIP code 83666 is primarily assigned to Placerville, Idaho.
What county is ZIP code 83666 in?
ZIP code 83666 falls within Boise County, Idaho.
Does ZIP code 83666 have an older population?
51% of residents in ZIP code 83666 are 65 or older, above the national average of ~17%.
Does ZIP code 83666 have a large retiree population?
71% of households in ZIP code 83666 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 83666 have a large veteran population?
36% of civilians in ZIP code 83666 are veterans, above the national average of ~7%.
How educated is the population of ZIP code 83666?
6% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What timezone is ZIP code 83666 in?
ZIP code 83666 observes the MST timezone.