83611 ZIP Code — Cascade, ID

Valley County, Idaho

ZIP code 83611 is located in Cascade, Idaho, within Valley County. It covers approximately 2,678.76 square miles and serves a population of 3,041 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 208.

About ZIP code 83611

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 $375,700. Owner-occupancy is high at 88%, well above the national average.

Median household income is $60,954. 71% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is service, with arts, entertainment, and food service as the leading industry. The average commute of 18 minutes is near the national average.

Educational attainment is near the national average, with 35% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 15% of civilians, above the national average of 7%.

Overall, ZIP code 83611 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

3,041
population
2,678.76
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
83611 ZIP code map
Cities in ZIP code 83611

Below are the cities the US Postal Service accepts for ZIP code 83611. Using any city not on this list may result in mail delivery delays.

City Status
Cascade Acceptable
Cascade Preferred
Demographics updated 06/2026
Population
Total population 3,041
Population density 1,521 / sq mi
State FIPS 16
County FIPS 085
Geography
Land area 2,678.76 sq mi
Water area 38.41 sq mi
Latitude 44.4254
Longitude -115.7184
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 47.3% 40.1% 41.8%
$50k – $100k 36.9% 32.6% 34.0%
$100k – $200k 14.5% 23.2% 19.5%
Over $200k 1.3% 4.1% 4.7%

Demographics & statistics

3,041
Population
1,521
People per sq mi
60.7
Median age
$60,954
Median household income
$29,058
Per capita income
$375,700
Median home value
$892
Median monthly rent
88.0%
Home ownership
13.5%
Poverty rate
3.5%
Unemployment
3,118
Housing units
35.3%
Bachelor's or higher

Age distribution

Male Female
53
Under 5
55
56
5–9
59
36
10–14
38
88
15–19
91
12
20–24
13
102
25–34
107
182
35–44
191
131
45–54
136
73
55–59
76
208
60–64
217
294
65–74
307
154
75–84
160
99
85+
103
← Male
Female →

Age summary

GroupCount%
Under 1841613.7%
18 and over2,62586.3%
65 and over1,11736.7%
Median age60.7 years

Race & ethnicity

White 93.2%
Hispanic or Latino 2.4%
Two or more races 2.1%
Other race 1.4%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.3%
Black or African American 0.2%
Asian 0.1%
GroupCount%
White2,90693.2%
Hispanic or Latino762.4%
Two or more races642.1%
Other race441.4%
American Indian / Alaska Native90.3%
Native Hawaiian / Pacific Islander90.3%
Black or African American60.2%
Asian30.1%

Household income

Income range This ZIP County avg State avg
Under $50k 47.3% 40.1% 41.8%
$50k – $100k 36.9% 32.6% 34.0%
$100k – $200k 14.5% 23.2% 19.5%
Over $200k 1.3% 4.1% 4.7%
Under $10k 4.7%
$10k–$15k 5.5%
$15k–$25k 14.2%
$25k–$35k 10.0%
$35k–$50k 8.7%
$50k–$75k 20.4%
$75k–$100k 9.5%
$100k–$150k 16.2%
$150k–$200k 6.2%
$200k+ 4.7%
Range% of households
Under $10k4.7%
$10k–$15k5.5%
$15k–$25k14.2%
$25k–$35k10.0%
$35k–$50k8.7%
$50k–$75k20.4%
$75k–$100k9.5%
$100k–$150k16.2%
$150k–$200k6.2%
$200k+4.7%
Median income$60,954

Housing

Home values

Under $50k 1.0%
$50k–$100k 4.2%
$100k–$150k 5.5%
$150k–$200k 6.6%
$200k–$300k 16.9%
$300k–$500k 35.5%
$500k–$1M 27.4%
$1M+ 2.9%

Housing overview

MetricValue
Median home value$375,700
Median rent / month$892
Owner occupied88.0%
Renter occupied12.0%
Vacant68.8%
Single-family detached85.8%
Large apartment buildings0.0%
Mobile homes12.8%
Median rooms4.9
Avg household size (owned)2.79

Year built

Era%
2020 or later0.2%
2010–20194.6%
2000–200914.1%
1990–199918.9%
1980–198918.6%
1970–197923.9%
1960–19699.2%
1950–19595.4%
1940–19491.4%
1939 or earlier3.6%

Bedrooms

Size% of units
No bedroom (studio)2.2%
1 bedroom17.8%
2 bedrooms30.9%
3 bedrooms37.4%
4 bedrooms10.0%
5+ bedrooms1.7%

Vehicles per household

Vehicles% of households
No vehicle3.8%
1 vehicle20.5%
2 vehicles34.5%
3 or more41.2%

Heating fuel

Fuel type%
Utility gas0.3%
Electricity34.6%
Propane / LP gas22.9%
Fuel oil4.4%
Wood35.1%

Households & families

Household typeCount%
Married-couple family69168.5%
Cohabiting couple464.6%
Male householder, no spouse15815.7%
Female householder, no spouse11411.3%
Households with children under 1812212.1%
Households with seniors (65+)65264.6%
Average household size2.90

Marital status

StatusMaleFemale
Never married23.1%11.4%
Married59.8%60.2%
Separated0.2%0.1%
Widowed2.8%14.6%
Divorced14.2%13.8%

Education

Less than 9th grade 0.5%
Some HS, no diploma 5.7%
HS graduate 22.5%
Some college, no degree 24.3%
Associate's degree 11.7%
Bachelor's degree 28.7%
Graduate / professional 6.6%
Metric%
HS diploma or higher93.8%
Bachelor's or higher35.3%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool61.9%
Kindergarten5216.5%
Elementary school13743.5%
High school8527.0%
College / grad school3511.1%

Employment

Industry of employment

Arts, food & hospitality 23.0%
Retail trade 18.0%
Professional & management 15.9%
Construction 10.5%
Other services 6.2%
Manufacturing 6.1%
Finance & real estate 5.4%
Education & healthcare 5.2%
Agriculture & mining 4.9%
Public administration 3.4%
Transportation & utilities 1.4%

Occupation

Category%
Management, business & arts27.9%
Service33.9%
Sales & office17.6%
Natural resources & construction7.3%
Production & transportation13.3%

Employment type

Type%
Private sector78.2%
Government7.7%
Self-employed13.2%
Unpaid family workers0.9%

Commute

Method%
Drive alone53.6%
Carpool3.4%
Public transit1.1%
Walk30.3%
Work from home9.6%
Other means2.1%
Avg commute (minutes)17.8

Poverty

All people 13.5%
Under 18 years 7.1%
18 and over 14.5%
Married-couple families 2.5%
Female-led households 22.6%

Income support

Source% of households
Social Security71.4%
Retirement income53.0%
Supplemental Security3.0%
Cash public assistance0.3%
Food stamps / SNAP2.3%

Health indicators

Condition%
Obesity28.6%
High blood pressure35.6%
High cholesterol35.0%
Diabetes12.4%
Heart disease8.6%
Stroke3.8%
Asthma9.7%
Arthritis30.9%
Kidney disease3.6%
Pulmonary disease8.2%
Cancer8.8%
Behavior / access%
Smoking16.3%
Binge drinking12.9%
No physical activity22.4%
Less than 7 hrs sleep29.9%
Depression18.4%
Fair or poor health14.9%
Poor mental health12.3%
Poor physical health12.3%
No health insurance12.8%
Visited doctor (checkup)72.7%
Visited dentist67.1%
Cholesterol screening91.2%
Teeth loss12.9%

Veterans & disability

VeteransCount%
Civilian veterans38614.7%
Disability%
Any disability17.6%
Under 182.5%
18–64 years9.1%
65 and over34.2%

Health insurance coverage

Type%
Private insurance58.4%
Public insurance57.8%
No insurance8.4%
Uninsured under 1912.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only2,93396.4%
Spanish150.5%
Other Indo-European120.4%
Asian & Pacific Islander00.0%
Other languages30.1%

Place of birth & citizenship

OriginCount%
Native born (US)2,99298.4%
Born in same state2,98698.2%
Born in different state1,45347.8%
Foreign born60.2%
Naturalized citizen491.6%
Not a US citizen3469.4%

Ancestry

AncestryCount%
French91230%
Italian44114.5%
Dutch1364.5%
Arab1153.8%
AncestryCount%
Polish872.9%
English401.3%
Norwegian50.2%

Technology access

Metric% of households
Computer access33.2%
Internet access97.1%

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

Frequently asked questions about ZIP code 83611

What city is ZIP code 83611 in?

ZIP code 83611 is primarily assigned to Cascade, Idaho.

What county is ZIP code 83611 in?

ZIP code 83611 falls within Valley County, Idaho.

Does ZIP code 83611 have a large retiree population?

71% of households in ZIP code 83611 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 83611 have an older population?

37% of residents in ZIP code 83611 are 65 or older, above the national average of ~17%.

Is ZIP code 83611 mostly owner-occupied?

88% of occupied units in ZIP code 83611 are owner-occupied, well above the national average.

Does ZIP code 83611 have a large veteran population?

15% of civilians in ZIP code 83611 are veterans, above the national average of ~7%.

What timezone is ZIP code 83611 in?

ZIP code 83611 observes the MST timezone.

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