US ZIP Code
83429

Island Park, ID

Fremont County  ·  Idaho

● Active
👥 742 Population ↑ 43% since 2019
💰 $79,750 Median HH Income
≈ Avg ↑ 36% since 2019
🎂 66.9 Median Age
🏠 $473,300 Median Home Value
▲ 70% above avg ↑ 23% since 2019
🎓 49.1% College Grads
▲ 27% above avg
📊 2.1% Unemployment
▼ 57% below avg ↓ 21% since 2019
ZIP Code Details
ZIP Code83429
CityIsland Park
StateIdaho (ID)
CountyFremont County
Area Code208/986
Elevation6,879 ft
Latitude44.481672
Longitude-111.375346
TimezoneBoise (DST)
FIPS16043
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 47.3% (351) Female 52.7% (391) ♀

Race & Ethnicity

White: 94.3%Hispanic: 1.2%Other: 3.6%Race
White94.3%
Hispanic1.2%
Other3.6%

Age Breakdown

5–17
8%
18–24
0%
25–44
8%
45–64
30%
65+
37%

Key Indicators

Median Age66.9 yrs
Avg Household Size1.93
Below Poverty6.6% ▼ 34% below avg
College Grads49.1% ▲ 27% above avg
Unemployment2.1% ▼ 57% below avg
HS Graduate106 (16.8%)
Some College71 (11.2%)
Associates145 (22.9%)
Bachelors94 (14.9%)
Graduate Degree216 (34.2%)

Education

HS Grad: 16.8%Some College: 11.2%Associates: 22.9%Bachelors: 14.9%Graduate: 34.2%Edu
HS Grad16.8%
Some College11.2%
Associates22.9%
Bachelors14.9%
Graduate34.2%
Housing & Income

Housing Tenure

Owner: 98.4%Renter: 1.6%Tenure
Owner98.4%
Renter1.6%

Home Value Distribution

Under $50k
2%
$100k–150k
4%
$150k–200k
4%
$200k–300k
12%
$300k–500k
35%
Over $500k
44%

Financials

Median HH Income$79,750 ≈ Avg ↑ 36% since 2019
Median Home Value$473,300 ▲ 70% above avg ↑ 23% since 2019
Home/Income Ratio5.9x (nat avg ~3.5x)
Total Units3,388
Vacant Units3,007
Avg HH Size1.93

Income Distribution

Under $25k
17%
$25k–50k
14%
$50k–75k
12%
$75k–100k
25%
$100k–150k
27%
$150k–200k
4%
Over $200k
1%
Employment & Commute

How People Get to Work

Drove Alone
55%
Walked
16%
Work From Home
29%

Commute Time

Under 15 min
62%
15–30 min
20%
30–45 min
9%
Over 45 min
9%
Housing Stock

Year Built

1940s–1950s
5%
1960s–1970s
16%
1980s–1990s
27%
2000+
52%

Summary

Total Units3,388
Vacant3,007
Owner Occupied98.4%
Renter Occupied1.6%
Avg HH Size1.93
Frequently Asked Questions
ZIP code 83429 is in Island Park, ID, in Fremont County.
ZIP code 83429 is located in Idaho (ID).
ZIP code 83429 is in Fremont County, ID.
ZIP 83429 observes the Boise timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 83429 is 742 people (ACS 2023).
The median household income in ZIP code 83429 is $79,750 (ACS 2023).
The median home value in ZIP 83429 is $473,300 (ACS 2023).
About ZIP Code 83429

ZIP code 83429 is located in Island Park, Idaho, within Fremont County. With a population of 742, this is a sparsely populated ZIP code with an older community — the median age is 66.9 years. Economically, 83429 is a middle-income ZIP code: the median household income of $79,750 is near the national average.

Real estate in ZIP code 83429 represents a premium housing market. The median home value of $473,300 is significantly above the national average. Homeownership is strong here — 98.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 23% since 2019.

The population of 83429 is primarily White (94.34%). Residents are well-educated — 49.1% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 6.6%. Household income has grown by 36% since 2019.

The unemployment rate in 83429 stands at 2.1%, which is well below the national average. About 25% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 49%.

Overall, ZIP code 83429 in Island Park, ID is characterized as middle-income, well-educated, an older community, and predominantly owner-occupied. With 742 residents, a median household income of $79,750, and a median home value of $473,300, it offers a clear picture of life in this part of Idaho.