Irwin, ID · standard
ZIP Code 83428
Bonneville County, Idaho - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 416
- 1/sq mi Low-density area
- $68,750
- Median income Near-median income area
- $574,400
- Median home value Above-median home value
- 31.7%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Irwin pairs a below-median household income with top-decile home values, in a rural, homeowner-dominated area.
- 45th pct
- household income, US ZIPs
- Top 10%
- home value, US ZIPs
- 1
- people per sq mi
- 98%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 83428 against every reporting US ZIP.
ZIP code 83428 is a sparsely populated ZIP (a standard USPS delivery area) in Irwin, Bonneville County, Idaho, home to just 416 residents across 594.3 square miles, a density of 1 people per square mile, in the Boise time zone.
ZIP 83428 reports a modest median household income of $68,750 (6% below the average Idaho ZIP), while per-capita income is $67,710. Unemployment is 19.6%, an important qualifier alongside the household-income figure. Housing is both higher-cost and owner-heavy: median home value is $574,400 (52% above the average Idaho ZIP), while 97.5% of occupied homes are owner-occupied.
A solid share of residents have a four-year degree: 31.7% of adults hold a bachelor's degree or higher, the median age is 56.2, and the average commute is -. No nearby ZIP peer set is available for this delivery area, so the Idaho and national benchmarks above are the appropriate context for 83428.
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 →
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 83428, Irwin, 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
416
Population
594.3
Area (sq mi)
1
People / sq mi
Boise
Time Zone
standard
ZIP Type
Who lives in ZIP 83428?
56.2
Median Age
52.1%
Male
47.9%
Female
1.2%
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?
$68,750
Median Household Income
-6% vs state ZIP avg
$67,710
Per Capita Income
5.7%
Poverty Rate
19.6%
Unemployment Rate
How ZIP 83428 ranks among Idaho ZIPs
Irwin, 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)
$68,750 43rd percentile higher than 43% 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
524housing units
524
Total Housing Units
241
Occupied Units
283
Vacant Units
2.39
Avg Household Size
Occupancy Type
$574,400
Median Home Value
+52% vs state ZIP avg
1980
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 10 business establishments in ZIP 83428, employing approximately 50 people with a combined annual payroll of $2,971,000.
10
Businesses
50
Employees
$3.0M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Accommodation and food services | 5 | 50.0% |
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 83428, both outside ID so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Bonneville County
Related Areas
Frequently Asked Questions
What county is ZIP code 83428 in?
ZIP code 83428 (Irwin) is located in Bonneville County, Idaho. Bonneville County contains multiple ZIP codes, see the full list at /counties/bonneville-id.
What is the population of ZIP code 83428?
ZIP code 83428 in Irwin, ID has a population of 416 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 83428?
The median household income in ZIP 83428 is $68,750, which is 10% below the national average of $76,288.
What is the average home value in ZIP 83428?
The median home value in ZIP 83428 is $574,400, which is 107% above the national average of $278,155.
What is the demographic makeup of ZIP 83428?
The largest racial group in ZIP 83428 is White at 93.4%. Hispanic or Latino residents make up 4.0% of the population.
How many businesses are in ZIP code 83428?
ZIP code 83428 has 10 business establishments employing approximately 50 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 83428?
In ZIP code 83428, 61.6% of residents aged 25+ have a high school diploma or higher, and 31.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 83428?
In ZIP code 83428, approximately 97.5% of occupied housing units are owner-occupied and 2.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 83428?
The poverty rate in ZIP code 83428 is 5.7% 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 83428 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Irwin, ID ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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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.