Ashton, ID · standard
ZIP Code 83420
Fremont County, Idaho - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 2,539
- 2/sq mi Low-density area
- $69,286
- Median income Near-median income area
- $337,700
- Median home value Above-median home value
- 29.0%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Ashton pairs a below-median household income with above-median home values, in a rural, homeowner-dominated area.
- 45th pct
- household income, US ZIPs
- Top 28%
- home value, US ZIPs
- 2
- people per sq mi
- 89%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 83420 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 83420 (Ashton, ID) fell -4.5% from 2023 to 2024. The all-transactions index moved from 346.8 in 2023 to 331.1 in 2024 (2000 = 100).
ZIP code 83420 covers 1154.1 square miles in Ashton, Fremont County, Idaho (a standard USPS delivery area), with a modest 2,539 residents on file, a density of 2 people per square mile, in the Boise time zone.
ZIP 83420 reports a modest median household income of $69,286 (5% below the average Idaho ZIP), while per-capita income is $42,560. Both reported hardship measures are comparatively low in absolute terms: poverty is 5.3% and unemployment is 3.0%. Median home value is $337,700 (11% below the average Idaho ZIP) and median rent is $1,025; 88.5% of occupied homes are owner-occupied.
Educational attainment sits below the national norm: 29.0% of adults hold a bachelor's degree or higher, the median age is 49.4, and the average commute is 16 minutes. No nearby ZIP peer set is available for this delivery area, so the Idaho and national benchmarks above are the appropriate context for 83420.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 83420
Top 5 sectors by establishment count in Ashton, ID
Which industries have the most business establishments in ZIP 83420.
- Construction
Construction
25 establishments
- Retail trade
Retail trade
14 establishments
- Accommodation and food services
Accommodation and food services
13 establishments
- Health care and social assistance 6
Health care and social assistance
6 establishments
- Transportation and warehousing 5
Transportation and warehousing
5 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 83420, Ashton, ID · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
2,539
Population
1154.1
Area (sq mi)
2
People / sq mi
Boise
Time Zone
standard
ZIP Type
Who lives in ZIP 83420?
49.4
Median Age
54.5%
Male
45.5%
Female
8.4%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$69,286
Median Household Income
-5% vs state ZIP avg
$42,560
Per Capita Income
5.3%
Poverty Rate
3.0%
Unemployment Rate
16.1 min
Mean Commute Time
How ZIP 83420 ranks among Idaho ZIPs
Ashton, ID household income vs. every Idaho ZIP code
Median household income among 250 reporting Idaho ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$69,286 44th percentile higher than 44% of 250 Idaho ZIPs
Each bar is a $20K-wide band; taller bars hold more Idaho ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
1,326housing units
1,326
Total Housing Units
990
Occupied Units
336
Vacant Units
2.57
Avg Household Size
Occupancy Type
$337,700
Median Home Value
-11% vs state ZIP avg
$1,025
Median Rent
1977
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
-4.5%
YoY Change (2024)
331
HPI Index (2000 = 100)
+231%
Total Change Since 2000
Home values in ZIP 83420 have decreased 4.5% over the past year (2024). Since 2000, this ZIP has seen +231% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +11.8% | 210 |
| 2021 | +9.8% | 230 |
| 2022 | +38.1% | 318 |
| 2023 | +9.0% | 347 |
| 2024 | -4.5% | 331 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 89 business establishments in ZIP 83420, employing approximately 482 people with a combined annual payroll of $22,082,000.
89
Businesses
482
Employees
$22.1M
Annual Payroll
11
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 25 | 28.1% |
| Retail trade | 14 | 15.7% |
| Accommodation and food services | 13 | 14.6% |
| Health care and social assistance | 6 | 6.7% |
| Transportation and warehousing | 5 | 5.6% |
| Other services (except public administration) | 5 | 5.6% |
| Professional, scientific, and technical services | 4 | 4.5% |
| Utilities | 3 | 3.4% |
| Wholesale trade | 3 | 3.4% |
| Real estate and rental and leasing | 3 | 3.4% |
| Administrative and support and waste management and remediation services | 3 | 3.4% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 83420, both outside ID so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (2,539 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Fremont County
Related Areas
Frequently Asked Questions
What county is ZIP code 83420 in?
ZIP code 83420 (Ashton) is located in Fremont County, Idaho. Fremont County contains multiple ZIP codes, see the full list at /counties/fremont-id.
What is the population of ZIP code 83420?
ZIP code 83420 in Ashton, ID has a population of 2,539 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 83420?
The median household income in ZIP 83420 is $69,286, which is 9% below the national average of $76,288.
What is the average home value in ZIP 83420?
The median home value in ZIP 83420 is $337,700, which is 21% above the national average of $278,155.
What is the demographic makeup of ZIP 83420?
The largest racial group in ZIP 83420 is White at 88.1%. Hispanic or Latino residents make up 9.9% of the population.
How many businesses are in ZIP code 83420?
ZIP code 83420 has 89 business establishments employing approximately 482 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 83420?
The top industries by establishment count in ZIP 83420 are: Construction (25), Retail trade (14), Accommodation and food services (13). There are 11 industry sectors represented in total.
How have home values changed in ZIP code 83420?
According to the FHFA House Price Index, home values in ZIP 83420 decreased by 4.5% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 231%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 83420?
In ZIP code 83420, 53.4% of residents aged 25+ have a high school diploma or higher, and 29.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 83420?
The mean commute time for workers in ZIP code 83420 is 16.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 83420?
In ZIP code 83420, approximately 88.5% of occupied housing units are owner-occupied and 11.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 83420?
The poverty rate in ZIP code 83420 is 5.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
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- See how ZIP 83420 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.