83670 ZIP Code — Sweet, ID

Gem County, Idaho

ZIP code 83670 is located in Sweet, Idaho, within Gem County. It covers approximately 67.56 square miles and serves a population of 717 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 208.

About ZIP code 83670

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Owner-occupancy is high at 95%, well above the national average.

Median household income is $79,654. The poverty rate of 3% is below the national average. 33% 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. An above-average commute of 38 minutes suggests many residents work outside the immediate area.

College attainment at 15% is below the national average, consistent with a trades and production-oriented local economy.

Notable community characteristics include a notable veteran presence at 16% of civilians, above the national average of 7%.

Overall, ZIP code 83670 reflects a community defined by a trades-oriented workforce, a strong veteran community, high homeownership, and a significant Social Security-dependent population.

717
population
67.56
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
83670 ZIP code map
Cities in ZIP code 83670

Below are the cities the US Postal Service accepts for ZIP code 83670. Using any city not on this list may result in mail delivery delays.

City Status
Sweet Acceptable
Demographics updated 05/2026
Population
Total population 717
Population density 11 / sq mi
State FIPS 16
County FIPS 045
Geography
Land area 67.56 sq mi
Water area 0.22 sq mi
Latitude 44.0313
Longitude -116.3866
Timezone Mountain (MT)
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 29.1% 47.4% 41.8%
$50k – $100k 66.4% 34.3% 34.0%
$100k – $200k 4.5% 14.4% 19.5%
Over $200k 0.0% 3.9% 4.7%

Demographics & statistics

717
Population
11
People per sq mi
60.7
Median age
$79,654
Median household income
$32,936
Per capita income
$0
Median home value
$0
Median monthly rent
95.3%
Home ownership
2.5%
Poverty rate
5.1%
Unemployment
274
Housing units
14.5%
Bachelor's or higher

Age distribution

Male Female
7
Under 5
9
21
5–9
25
10
10–14
11
31
15–19
37
14
25–34
16
25
35–44
29
26
45–54
31
28
55–59
32
84
60–64
99
40
65–74
47
37
75–84
43
7
85+
8
← Male
Female →

Age summary

GroupCount%
Under 1813118.3%
18 and over58681.7%
65 and over18225.4%
Median age60.7 years

Race & ethnicity

White 93.8%
Hispanic or Latino 3.1%
Two or more races 3.1%
GroupCount%
White69493.8%
Hispanic or Latino233.1%
Two or more races233.1%

Household income

Income range This ZIP County avg State avg
Under $50k 29.1% 47.4% 41.8%
$50k – $100k 66.4% 34.3% 34.0%
$100k – $200k 4.5% 14.4% 19.5%
Over $200k 0.0% 3.9% 4.7%
$10k–$15k 3.6%
$15k–$25k 2.9%
$35k–$50k 9.7%
$50k–$75k 19.4%
$75k–$100k 33.0%
$100k–$150k 26.9%
$150k–$200k 4.7%
Range% of households
$10k–$15k3.6%
$15k–$25k2.9%
$35k–$50k9.7%
$50k–$75k19.4%
$75k–$100k33.0%
$100k–$150k26.9%
$150k–$200k4.7%
Median income$79,654

Housing

Home values

Under $50k 1.1%
$50k–$100k 3.8%
$150k–$200k 10.2%
$200k–$300k 43.2%
$300k–$500k 3.0%
$500k–$1M 31.6%
$1M+ 7.1%

Housing overview

MetricValue
Median home value$0
Median rent / month$0
Owner occupied95.3%
Renter occupied4.7%
Vacant2.8%
Single-family detached83.3%
Large apartment buildings0.0%
Mobile homes13.9%
Median rooms5.5
Avg household size (owned)2.45

Year built

Era%
2020 or later0.0%
2010–201917.4%
2000–200923.0%
1990–199931.7%
1980–19893.8%
1970–19797.0%
1960–19692.1%
1950–19590.0%
1940–19490.0%
1939 or earlier15.0%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom5.9%
2 bedrooms30.0%
3 bedrooms53.3%
4 bedrooms7.3%
5+ bedrooms3.5%

Vehicles per household

Vehicles% of households
No vehicle2.9%
1 vehicle3.6%
2 vehicles35.5%
3 or more58.1%

Heating fuel

Fuel type%
Utility gas2.9%
Electricity50.5%
Fuel oil7.5%
Wood21.9%

Households & families

Household typeCount%
Married-couple family27197.1%
Cohabiting couple00.0%
Male householder, no spouse00.0%
Female householder, no spouse82.9%
Households with children under 185620.1%
Households with seniors (65+)9233.0%
Average household size2.57

Marital status

StatusMaleFemale
Never married9.7%11.7%
Married90.3%85.9%
Separated0.0%0.0%
Widowed0.0%2.5%
Divorced0.0%0.0%

Education

Less than 9th grade 0.0%
Some HS, no diploma 1.1%
HS graduate 42.6%
Some college, no degree 33.7%
Associate's degree 8.1%
Bachelor's degree 13.3%
Graduate / professional 1.2%
Metric%
HS diploma or higher98.9%
Bachelor's or higher14.5%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten1711.3%
Elementary school3221.2%
High school8153.6%
College / grad school2113.9%

Employment

Industry of employment

Manufacturing 20.6%
Wholesale trade 19.5%
Construction 19.2%
Education & healthcare 16.4%
Finance & real estate 10.5%
Professional & management 5.4%
Agriculture & mining 5.1%
Public administration 2.0%
Other services 1.4%

Occupation

Category%
Management, business & arts36.7%
Service5.6%
Sales & office29.9%
Natural resources & construction22.0%
Production & transportation5.6%

Employment type

Type%
Private sector52.3%
Government38.4%
Self-employed9.3%
Unpaid family workers0.0%

Commute

Method%
Drive alone90.4%
Carpool6.5%
Public transit0.0%
Walk3.1%
Work from home0.0%
Other means0.0%
Avg commute (minutes)38.4

Poverty

All people 2.5%
Under 18 years 0.0%
18 and over 3.1%
Married-couple families 3.7%
Female-led households 0.0%

Income support

Source% of households
Social Security32.6%
Retirement income25.4%
Supplemental Security4.3%
Cash public assistance0.0%
Food stamps / SNAP2.9%

Health indicators

Condition%
Obesity32.0%
High blood pressure35.2%
High cholesterol34.4%
Diabetes10.8%
Heart disease7.5%
Stroke3.3%
Asthma9.3%
Arthritis26.5%
Kidney disease3.1%
Pulmonary disease7.2%
Cancer7.8%
Behavior / access%
Smoking16.8%
Binge drinking13.9%
No physical activity21.7%
Less than 7 hrs sleep28.8%
Depression18.5%
Fair or poor health13.5%
Poor mental health12.6%
Poor physical health11.1%
No health insurance13.8%
Visited doctor (checkup)71.2%
Visited dentist65.0%
Cholesterol screening89.5%
Teeth loss13.3%

Veterans & disability

VeteransCount%
Civilian veterans9115.5%
Disability%
Any disability22.0%
Under 180.0%
18–64 years8.9%
65 and over67.0%

Health insurance coverage

Type%
Private insurance75.7%
Public insurance38.2%
No insurance3.3%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only70197.8%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)717100.0%
Born in same state717100.0%
Born in different state24333.9%
Foreign born00.0%
Naturalized citizen00.0%
Not a US citizen00.0%

Ancestry

AncestryCount%
French14319.9%
Italian8311.6%
AncestryCount%
Arab7710.7%
Polish304.2%

Technology access

Metric% of households
Computer access38.9%
Internet access96.4%

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

Frequently asked questions about ZIP code 83670

What city is ZIP code 83670 in?

ZIP code 83670 is primarily assigned to Sweet, Idaho.

What county is ZIP code 83670 in?

ZIP code 83670 falls within Gem County, Idaho.

Is ZIP code 83670 mostly owner-occupied?

95% of occupied units in ZIP code 83670 are owner-occupied, well above the national average.

Does ZIP code 83670 have an older population?

25% of residents in ZIP code 83670 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 83670?

15% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Does ZIP code 83670 have a large veteran population?

16% of civilians in ZIP code 83670 are veterans, above the national average of ~7%.

What timezone is ZIP code 83670 in?

ZIP code 83670 observes the MST timezone.

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