US ZIP Code
83420

Ashton, ID

Fremont County  ·  Idaho

● Active
👥 2,611 Population ↑ 16% since 2019
💰 $69,604 Median HH Income
▼ 9% below avg ↑ 62% since 2019
🎂 47.9 Median Age ↑ 11% since 2019
🏠 $320,000 Median Home Value
▲ 15% above avg ↑ 45% since 2019
🎓 42.9% College Grads
▲ 11% above avg
📊 4.9% Unemployment
≈ Avg ↓ 23% since 2019
ZIP Code Details
ZIP Code83420
CityAshton
StateIdaho (ID)
CountyFremont County
Area Code208/986
Elevation5,569 ft
Latitude44.059467
Longitude-111.324799
TimezoneBoise (DST)
FIPS16043
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 54.8% (1,432) Female 45.2% (1,179) ♀

Race & Ethnicity

White: 91.2%Hispanic: 6.2%Black: 0.2%Other: 2.2%Race
White91.2%
Hispanic6.2%
Black0.2%
Other2.2%

Age Breakdown

Under 5
2%
5–17
16%
18–24
8%
25–44
20%
45–64
29%
65+
9%

Key Indicators

Median Age47.9 yrs ↑ 11% since 2019
Avg Household Size2.66
Below Poverty3.6% ▼ 64% below avg
College Grads42.9% ▲ 11% above avg
Unemployment4.9% ≈ Avg
No HS Diploma24 (1.3%)
HS Graduate489 (26.6%)
Some College174 (9.5%)
Associates364 (19.8%)
Bachelors224 (12.2%)
Graduate Degree566 (30.7%)

Education

No HS: 1.3%HS Grad: 26.6%Some College: 9.5%Associates: 19.8%Bachelors: 12.2%Graduate: 30.7%Edu
No HS1.3%
HS Grad26.6%
Some College9.5%
Associates19.8%
Bachelors12.2%
Graduate30.7%
Housing & Income

Housing Tenure

Owner: 86%Renter: 14%Tenure
Owner86.0%
Renter14.0%

Home Value Distribution

Under $50k
5%
$50k–100k
2%
$100k–150k
7%
$150k–200k
8%
$200k–300k
23%
$300k–500k
33%
Over $500k
22%

Financials

Median HH Income$69,604 ▼ 9% below avg ↑ 62% since 2019
Median Home Value$320,000 ▲ 15% above avg ↑ 45% since 2019
Home/Income Ratio4.6x (nat avg ~3.5x)
Median Rent$925/mo ↑ 28% since 2019
Total Units1,350
Vacant Units383
Avg HH Size2.66

Income Distribution

Under $25k
13%
$25k–50k
9%
$50k–75k
30%
$75k–100k
13%
$100k–150k
21%
$150k–200k
9%
Over $200k
6%
Employment & Commute

How People Get to Work

Drove Alone
87%
Walked
3%
Work From Home
10%

Commute Time

Under 15 min
50%
15–30 min
20%
30–45 min
15%
Over 45 min
15%
Housing Stock

Year Built

Before 1940
4%
1940s–1950s
9%
1960s–1970s
12%
1980s–1990s
12%
2000+
63%

Summary

Total Units1,350
Vacant383
Owner Occupied86.0%
Renter Occupied14.0%
Avg HH Size2.66
Frequently Asked Questions
ZIP code 83420 is in Ashton, ID, in Fremont County.
ZIP code 83420 is located in Idaho (ID).
ZIP code 83420 is in Fremont County, ID.
ZIP 83420 observes the Boise timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 83420 is 2,611 people (ACS 2023).
The median household income in ZIP code 83420 is $69,604 (ACS 2023).
The median home value in ZIP 83420 is $320,000 (ACS 2023).
About ZIP Code 83420

ZIP code 83420 is located in Ashton, Idaho, within Fremont County. With a population of 2,611, this is a sparsely populated ZIP code with a mature community — the median age is 47.9 years. Economically, 83420 is a solidly middle-class ZIP code: the median household income of $69,604 is near the national average.

Real estate in ZIP code 83420 represents a mid-range housing market. The median home value of $320,000 is near the national average. Renters can expect to pay around $925 per month in median rent. Homeownership is strong here — 86.0% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 45% since 2019.

The population of 83420 is primarily White (91.19%). Residents are well-educated — 42.9% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 3.6%. Household income has grown by 62% since 2019.

The unemployment rate in 83420 stands at 4.9%, which is near the national average. As in most parts of the country, driving alone is the dominant commute mode at 81%.

Overall, ZIP code 83420 in Ashton, ID is characterized as solidly middle-class, well-educated, a mature community, and predominantly owner-occupied. With 2,611 residents, a median household income of $69,604, and a median home value of $320,000, it offers a clear picture of life in this part of Idaho.