ZIP code 83420
Where is ZIP code 83420?
Ashton, Idaho
Fremont County · Standard ZIP code
ZIP code 83420 belongs to Ashton, Idaho in Fremont County. 83420 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Mountain Time zone and uses area codes 208, 307 and 986. About 2,580 people live in the 83420 area, where the median household income is $69,286. The closest ZIP codes are 83421 (Chester, 5.5 mi west), 83436 (Newdale, 12.5 mi southwest) and 83451 (Teton, 14.1 mi southwest).
| ZIP code | 83420 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Ashton |
| State | Idaho (ID) |
| County | Fremont County |
| Time zone | Mountain Time · now |
| Area codes | 208, 307, 986 |
| Coordinates | 44.0153, -111.4253 map |
| 3-digit prefix | 834 |
Population and income in 83420
| Population | 2,580 · higher than 66% of Idaho ZIP codes |
|---|---|
| People per square mile | 6 · lower than 69% of Idaho ZIP codes |
| Median age | 49.4 years · higher than 68% of Idaho ZIP codes |
| Men / women | 55% / 46% |
| Median household income | $69,286 · lower than 56% of Idaho ZIP codes |
| Income per person | $42,560 |
| Below the poverty line | 5.3% |
| Bachelor’s degree or higher | 29% of adults 25+ |
| Median home value | $337,700 · lower than 51% of Idaho ZIP codes |
| Median rent | $1,025 a month |
| Housing units | 1,326 |
| Households | 990 (2.57 people on average) |
| Owners / renters | 89% / 12% |
| Land area | 410.77 sq mi (plus 4.28 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 83420. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 83420
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 83421 | Chester, ID | 5.5 mi W | PO Box only |
| 83436 | Newdale, ID | 12.5 mi SW | Standard |
| 83451 | Teton, ID | 14.1 mi SW | Standard |
| 83445 | Saint Anthony, ID | 14.3 mi W | Standard |
| 83424 | Felt, ID | 15.3 mi SE | Standard |
| 83438 | Parker, ID | 17 mi W | PO Box only |
| 83448 | Sugar City, ID | 17.7 mi SW | Standard |
| 83452 | Tetonia, ID | 19.3 mi SE | Standard |
| 83441 | Rexburg, ID | 21.2 mi SW | Unique |
| 83460 | Rexburg, ID | 22.4 mi SW | Unique |
| 83440 | Rexburg, ID | 23 mi SW | Standard |
| 83422 | Driggs, ID | 25.1 mi SE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 83420 or measure the distance to another ZIP code.
How to address mail to 83420
123 MAIN ST
ASHTON ID 83420
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Drummond, Lamont, Marysville and Warm River: USPS doesn’t recognize them as the city for this ZIP code. Adding the 4-digit ZIP+4 code (83420-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 83420?
- 83420 is a Ashton, Idaho ZIP code.
- What county is 83420 in?
- ZIP code 83420 is in Fremont County, Idaho.
- What time zone is ZIP code 83420 in?
- 83420 is in the Mountain Time zone (America/Boise).
- What area code is 83420?
- Phone numbers in ZIP code 83420 use area codes 208, 307 and 986.
- What is the population of ZIP code 83420?
- About 2,580 people live in ZIP code 83420, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 83420?
- The median household income in 83420 is $69,286 a year, lower than 56% of Idaho ZIP codes.
- What ZIP codes are near 83420?
- The nearest ZIP codes to 83420 are 83421 (Chester, 5.5 miles), 83436 (Newdale, 12.5 miles), 83451 (Teton, 14.1 miles) and 83445 (Saint Anthony, 14.3 miles).