ZIP code 83445: Saint Anthony, ID
83445 is a ZIP code in Saint Anthony, Idaho, mainly in Fremont County, part of the Rexburg, ID micro area. About 7,975 people live here.
- Population
- 7,975
- Median household income
- $68,012
- Typical home value
- $354,200+5.4% in 12 months
- Median rent
- $798gross, per month
- Median age
- 34.2
- Homeowners
- 76.3%of occupied homes
Shaded: ZIP code 83445's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 83445 details
| City | Saint Anthony |
|---|---|
| State | Idaho |
| County | Fremont County (also partly Madison County) |
| Metro area | Rexburg, ID |
| Time zone | Mountain Time (UTC−7), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 300.7 sq mi, plus 2.5 sq mi of water |
| Population density | 27 people per sq mi |
| Bachelor's degree or higher | 21.2% of adults 25+ |
| Average commute | 26.1 minutes |
| Center coordinates | 44.03777, -111.74528 |
Median rent in 83445 by bedrooms
| Size | Median gross rent |
|---|---|
| 2 bedrooms | $799/mo |
| 3 bedrooms | $1,066/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 83445
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 83438 | Parker, ID | 5.4 mi | 327 |
| 83421 | Chester, ID | 10.1 mi | 220 |
| 83451 | Teton, ID | 13.1 mi | 993 |
| 83448 | Sugar City, ID | 13.1 mi | 3,365 |
| 83460 | Rexburg, ID | 15.4 mi | 56 |
| 83440 | Rexburg, ID | 16.1 mi | 51,421 |
| 83441 | Rexburg, ID | 18.3 mi | — |
| 83436 | Newdale, ID | 18.7 mi | 778 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 83445?
A typical home in ZIP code 83445 is worth about $354,200 (Zillow Home Value Index). The median household here earns $68,012 a year. See what buying here would cost per month, with Idaho average taxes and insurance filled in.
Monthly payment for a $354,200 homeWhat can a $68,012 income afford?Rental property numbers
About ZIP code 83445
What city is ZIP code 83445?
ZIP code 83445 is in Saint Anthony, ID, in Fremont County.
What county is ZIP code 83445 in?
83445 is mainly in Fremont County, Idaho, and partly in Madison County.
What is the population of ZIP code 83445?
About 7,975 people live in ZIP code 83445, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 83445 in?
83445 is in Mountain Time (UTC−7). It observes daylight saving time.