83857 ZIP Code — Princeton, ID

Latah County, Idaho

ZIP code 83857 is located in Princeton, Idaho, within Latah County. It covers approximately 67.29 square miles and serves a population of 1,294 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 208.

About ZIP code 83857

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 $281,300.

Median household income is $93,295. The poverty rate of 3% is below the national average. 45% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 24 minutes is near the national average. Remote work is prevalent — 26% of workers work from home.

Educational attainment is near the national average, with 32% of residents holding a bachelor's degree or higher.

23% of residents lack health insurance, above the national average.

Notable community characteristics include a notable veteran presence at 12% of civilians, above the national average of 7%.

Overall, ZIP code 83857 reflects a community defined by a strong veteran community, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

1,294

population

67.29

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

83857 ZIP code map

Cities in ZIP code 83857

Below are the cities the US Postal Service accepts for ZIP code 83857. Using any city not on this list may result in mail delivery delays.

City	Status
Princeton	Preferred

Nearby ZIP codes

83872 Viola (7.5 mi) 83855 Potlatch (8.4 mi) 83871 Troy (10.7 mi) 83834 Harvard (11.4 mi) 83843 Moscow (13.8 mi) 83824 Desmet (14.5 mi) 83844 Moscow (14.8 mi) 83823 Deary (15.2 mi) 99161 Palouse (16.5 mi) 99130 Garfield (18.3 mi) 83870 Tensed (18.8 mi) 99128 Farmington (19.7 mi)

Demographics updated 05/2026

Population
Total population	1,294
Population density	19 / sq mi
State FIPS	16
County FIPS	057

Geography
Land area	67.29 sq mi
Water area	0.06 sq mi
Latitude	46.9009
Longitude	-116.8057
Timezone	Pacific (PT)
Area code	208

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	29.0%	48.5%	41.8%
$50k – $100k	44.0%	31.7%	34.0%
$100k – $200k	14.4%	15.0%	19.5%
Over $200k	12.7%	4.8%	4.7%

Demographics & statistics

1,294

Population

People per sq mi

42.0

Median age

$93,295

Median household income

$31,285

Per capita income

$281,300

Median home value

Median monthly rent

100.0%

Home ownership

2.6%

Poverty rate

4.7%

Unemployment

456

Housing units

32.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

25–34

35–44

45–54

55–59

60–64

65–74

102

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	460	35.5%
18 and over	834	64.5%
65 and over	226	17.5%
Median age	42.0 years

Race & ethnicity

White 99.6%

Black or African American 0.4%

Group	Count	%
White	1,289	99.6%
Black or African American	5	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	29.0%	48.5%	41.8%
$50k – $100k	44.0%	31.7%	34.0%
$100k – $200k	14.4%	15.0%	19.5%
Over $200k	12.7%	4.8%	4.7%

$10k–$15k 5.0%

$15k–$25k 11.2%

$25k–$35k 10.7%

$35k–$50k 3.3%

$50k–$75k 16.7%

$75k–$100k 20.0%

$100k–$150k 20.0%

$150k–$200k 9.4%

$200k+ 3.7%

Range	% of households
$10k–$15k	5.0%
$15k–$25k	11.2%
$25k–$35k	10.7%
$35k–$50k	3.3%
$50k–$75k	16.7%
$75k–$100k	20.0%
$100k–$150k	20.0%
$150k–$200k	9.4%
$200k+	3.7%
Median income	$93,295

Housing

Home values

Under $50k 6.1%

$50k–$100k 11.4%

$100k–$150k 9.6%

$150k–$200k 7.0%

$200k–$300k 17.1%

$300k–$500k 41.4%

$500k–$1M 1.8%

$1M+ 5.5%

Housing overview

Metric	Value
Median home value	$281,300
Median rent / month	$0
Owner occupied	100.0%
Renter occupied	0.0%
Vacant	0.0%
Single-family detached	88.2%
Large apartment buildings	0.0%
Mobile homes	4.8%
Median rooms	6.3
Avg household size (owned)	2.84

Year built

Era	%
2020 or later	0.0%
2010–2019	3.5%
2000–2009	19.1%
1990–1999	7.7%
1980–1989	16.0%
1970–1979	24.8%
1960–1969	15.8%
1950–1959	0.0%
1940–1949	1.5%
1939 or earlier	11.6%

Bedrooms

Size	% of units
No bedroom (studio)	3.5%
1 bedroom	0.0%
2 bedrooms	21.5%
3 bedrooms	55.7%
4 bedrooms	16.2%
5+ bedrooms	3.1%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	12.3%
2 vehicles	26.3%
3 or more	61.4%

Heating fuel

Fuel type	%
Electricity	39.7%
Propane / LP gas	16.4%
Fuel oil	11.8%
Wood	32.0%

Households & families

Household type	Count	%
Married-couple family	305	66.9%
Cohabiting couple	0	0.0%
Male householder, no spouse	81	17.8%
Female householder, no spouse	70	15.4%
Households with children under 18	170	37.3%
Households with seniors (65+)	148	32.5%
Average household size	2.84

Marital status

Status	Male	Female
Never married	3.0%	16.4%
Married	78.7%	73.6%
Separated	1.6%	0.0%
Widowed	0.9%	0.0%
Divorced	15.7%	10.0%

Education

Less than 9th grade 1.9%

Some HS, no diploma 4.9%

HS graduate 27.7%

Some college, no degree 22.8%

Associate's degree 10.3%

Bachelor's degree 18.6%

Graduate / professional 13.8%

Metric	%
HS diploma or higher	93.2%
Bachelor's or higher	32.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	23	8.6%
Kindergarten	29	10.9%
Elementary school	182	68.4%
High school	32	12.0%
College / grad school	0	0.0%

Employment

Industry of employment

Manufacturing 33.8%

Education & healthcare 19.9%

Wholesale trade 11.5%

Public administration 9.4%

Professional & management 7.9%

Retail trade 7.1%

Finance & real estate 3.7%

Transportation & utilities 2.9%

Agriculture & mining 2.6%

Construction 1.3%

Occupation

Category	%
Management, business & arts	40.1%
Service	3.9%
Sales & office	22.3%
Natural resources & construction	22.5%
Production & transportation	11.3%

Employment type

Type	%
Private sector	61.5%
Government	26.7%
Self-employed	11.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	65.2%
Carpool	2.6%
Public transit	0.0%
Walk	5.2%
Work from home	25.7%
Other means	1.3%
Avg commute (minutes)	24.0

Poverty

All people 2.6%

Under 18 years 0.0%

18 and over 4.1%

Married-couple families 2.3%

Female-led households 0.0%

Income support

Source	% of households
Social Security	44.7%
Retirement income	26.1%
Supplemental Security	13.4%
Cash public assistance	0.0%
Food stamps / SNAP	1.5%

Health indicators

Condition	%
Obesity	30.8%
High blood pressure	32.2%
High cholesterol	32.3%
Diabetes	10.4%
Heart disease	6.7%
Stroke	3.1%
Asthma	9.8%
Arthritis	24.7%
Kidney disease	3.0%
Pulmonary disease	6.8%
Cancer	7.1%

Behavior / access	%
Smoking	16.8%
Binge drinking	15.7%
No physical activity	20.8%
Less than 7 hrs sleep	31.1%
Depression	19.0%
Fair or poor health	13.4%
Poor mental health	12.9%
Poor physical health	11.0%
No health insurance	12.4%
Visited doctor (checkup)	70.6%
Visited dentist	64.3%
Cholesterol screening	89.0%
Teeth loss	12.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	100	12.0%

Disability	%
Any disability	13.8%
Under 18	13.5%
18–64 years	6.6%
65 and over	34.1%

Health insurance coverage

Type	%
Private insurance	61.4%
Public insurance	30.6%
No insurance	22.5%
Uninsured under 19	43.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,111	85.9%
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)	1,265	97.8%
Born in same state	1,265	97.8%
Born in different state	376	29.1%
Foreign born	0	0.0%
Naturalized citizen	29	2.2%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	312	24.1%
Italian	77	6%
English	52	4%
Arab	46	3.6%

Ancestry	Count	%
Polish	33	2.6%
Dutch	33	2.6%
German	10	0.8%

Technology access

Metric	% of households
Computer access	35.2%
Internet access	96.1%

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

Frequently asked questions about ZIP code 83857

What city is ZIP code 83857 in?

ZIP code 83857 is primarily assigned to Princeton, Idaho.

What county is ZIP code 83857 in?

ZIP code 83857 falls within Latah County, Idaho.

Is ZIP code 83857 family-oriented?

36% of residents in ZIP code 83857 are under 18, reflecting a younger, family-oriented community.

Does ZIP code 83857 have a large retiree population?

45% of households in ZIP code 83857 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 83857 have a large veteran population?

12% of civilians in ZIP code 83857 are veterans, above the national average of ~7%.

What is the population of ZIP code 83857?

ZIP code 83857 has an estimated population of 1,294 residents, with a density of 19 people per square mile.

What timezone is ZIP code 83857 in?

ZIP code 83857 observes the PST timezone.