Saint Anthony, ID · standard
ZIP Code 83445
Fremont County, Idaho - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 7,406
- 15/sq mi Moderate-density area
- $68,012
- Median income Near-median income area
- $283,800
- Median home value Near-median home value
- 21.2%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Saint Anthony pairs a below-median household income with above-median home values, in a rural, homeowner-dominated area.
- 43rd pct
- household income, US ZIPs
- Top 36%
- home value, US ZIPs
- 15
- people per sq mi
- 76%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 83445 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 83445 (Saint Anthony, ID) rose +2.0% from 2023 to 2024. The all-transactions index moved from 357.1 in 2023 to 364.4 in 2024 (2000 = 100).
ZIP code 83445 is a mid-sized community (a standard USPS delivery area) in Saint Anthony, Fremont County, Idaho, home to 7,406 residents across 490.5 square miles, a density of 15 people per square mile, in the Boise time zone.
ZIP 83445 reports a modest median household income of $68,012 (7% below the average Idaho ZIP), while per-capita income is $26,489. The poverty rate is 12.8%, with unemployment at 4.0%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $283,800 (25% below the average Idaho ZIP), and median rent is $798; owner occupancy is 76.3%.
Educational attainment sits below the national norm: 21.2% of adults hold a bachelor's degree or higher, the median age is 34.2, and the average commute is 26 minutes. The page also surfaces 2 ZIP codes within roughly 10 miles and 6 more in Fremont County, so 83445 can be compared with both its immediate and county-level context.
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 83445
Top 5 sectors by establishment count in Saint Anthony, ID
Which industries have the most business establishments in ZIP 83445.
- Construction
Construction
46 establishments
- Retail trade
Retail trade
23 establishments
- Transportation and warehousing 16
Transportation and warehousing
16 establishments
- Health care and social assistance 14
Health care and social assistance
14 establishments
- Accommodation and food services 14
Accommodation and food services
14 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 83445, Saint Anthony, 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
7,406
Population
490.5
Area (sq mi)
15
People / sq mi
Boise
Time Zone
standard
ZIP Type
Who lives in ZIP 83445?
34.2
Median Age
54.1%
Male
45.9%
Female
4.7%
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?
$68,012
Median Household Income
-7% vs state ZIP avg
$26,489
Per Capita Income
12.8%
Poverty Rate
4.0%
Unemployment Rate
26.1 min
Mean Commute Time
How ZIP 83445 ranks among Idaho ZIPs
Saint Anthony, 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)
$68,012 42nd percentile higher than 42% 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
2,684housing units
2,684
Total Housing Units
2,455
Occupied Units
229
Vacant Units
3.05
Avg Household Size
Occupancy Type
$283,800
Median Home Value
-25% vs state ZIP avg
$798
Median Rent
1975
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
+2.0%
YoY Change (2024)
364
HPI Index (2000 = 100)
+264%
Total Change Since 2000
Home values in ZIP 83445 have increased 2.0% over the past year (2024). Since 2000, this ZIP has seen +264% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +16.8% | 231 |
| 2021 | +21.8% | 282 |
| 2022 | +30.7% | 368 |
| 2023 | -3.1% | 357 |
| 2024 | +2.0% | 364 |
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 175 business establishments in ZIP 83445, employing approximately 1,093 people with a combined annual payroll of $46,315,000.
175
Businesses
1,093
Employees
$46.3M
Annual Payroll
13
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 46 | 26.3% |
| Retail trade | 23 | 13.1% |
| Transportation and warehousing | 16 | 9.1% |
| Health care and social assistance | 14 | 8.0% |
| Accommodation and food services | 14 | 8.0% |
| Manufacturing | 10 | 5.7% |
| Real estate and rental and leasing | 10 | 5.7% |
| Administrative and support and waste management and remediation services | 8 | 4.6% |
| Finance and insurance | 7 | 4.0% |
| Professional, scientific, and technical services | 7 | 4.0% |
| Other services (except public administration) | 7 | 4.0% |
| Wholesale trade | 6 | 3.4% |
| Agriculture, forestry, fishing and hunting | 3 | 1.7% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 83445 vs 83448 →
ZIP 83445 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 83445
Saint Anthony (83445)
7,406 residents
- 83448 2,451
Sugar City (83448)
2,451 residents
- 83451 791
Teton (83451)
791 residents
What this shows Among its immediate neighbors, ZIP 83445 ranks the most populous - useful context the national average alone can't give.
ZIP 83445 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 83448
Sugar City (83448)
$76,000 median income
- 83445
Saint Anthony (83445)
$68,012 median income
- 83451
Teton (83451)
$67,946 median income
What this shows By household income, ZIP 83445 ranks #2 of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 83445, 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 (7,406 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 83445 in?
ZIP code 83445 (Saint Anthony) 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 83445?
ZIP code 83445 in Saint Anthony, ID has a population of 7,406 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 83445?
The median household income in ZIP 83445 is $68,012, which is 11% below the national average of $76,288.
What is the average home value in ZIP 83445?
The median home value in ZIP 83445 is $283,800, which is 2% above the national average of $278,155.
What is the demographic makeup of ZIP 83445?
The largest racial group in ZIP 83445 is White at 82.4%. Hispanic or Latino residents make up 14.9% of the population.
How many businesses are in ZIP code 83445?
ZIP code 83445 has 175 business establishments employing approximately 1,093 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 83445?
The top industries by establishment count in ZIP 83445 are: Construction (46), Retail trade (23), Transportation and warehousing (16). There are 13 industry sectors represented in total.
How have home values changed in ZIP code 83445?
According to the FHFA House Price Index, home values in ZIP 83445 increased by 2.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 264%. 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 83445?
In ZIP code 83445, 56.9% of residents aged 25+ have a high school diploma or higher, and 21.2% 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 83445?
The mean commute time for workers in ZIP code 83445 is 26.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 83445?
In ZIP code 83445, approximately 76.3% of occupied housing units are owner-occupied and 23.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 83445?
The poverty rate in ZIP code 83445 is 12.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 83445's numbers, next.
- See how ZIP 83445 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Saint Anthony, ID ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.