ZIP code 83431
Where is ZIP code 83431?
Lewisville, Idaho
Jefferson County · Standard ZIP code
ZIP code 83431 belongs to Lewisville, Idaho in Jefferson County. 83431 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 and 986. About 1,045 people live in the 83431 area, where the median household income is $90,833. The closest ZIP codes are 83434 (Menan, 4.1 mi northeast), 83444 (Roberts, 5.7 mi northwest) and 83442 (Rigby, 5.9 mi east).
| ZIP code | 83431 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Lewisville |
| State | Idaho (ID) |
| County | Jefferson County |
| Time zone | Mountain Time · now |
| Area codes | 208, 986 |
| Coordinates | 43.6725, -112.0189 map |
| 3-digit prefix | 834 |
Population and income in 83431
| Population | 1,045 · lower than 57% of Idaho ZIP codes |
|---|---|
| People per square mile | 83 · higher than 76% of Idaho ZIP codes |
| Median age | 36.4 years · lower than 74% of Idaho ZIP codes |
| Men / women | 46% / 54% |
| Median household income | $90,833 · higher than 83% of Idaho ZIP codes |
| Income per person | $36,194 |
| Below the poverty line | 11% |
| Bachelor’s degree or higher | 22% of adults 25+ |
| Median home value | $241,700 · lower than 85% of Idaho ZIP codes |
| Median rent | $917 a month |
| Housing units | 330 |
| Households | 314 (3.33 people on average) |
| Owners / renters | 78% / 22% |
| Land area | 12.53 sq mi (plus 0.19 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 83431. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 83431
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 83434 | Menan, ID | 4.1 mi NE | Standard |
| 83444 | Roberts, ID | 5.7 mi NW | Standard |
| 83442 | Rigby, ID | 5.9 mi E | Standard |
| 83454 | Ucon, ID | 6.3 mi SE | PO Box only |
| 83401 | Idaho Falls, ID | 10.5 mi SE | Standard |
| 83427 | Iona, ID | 11 mi SE | Standard |
| 83402 | Idaho Falls, ID | 12.5 mi S | Standard |
| 83404 | Idaho Falls, ID | 13.6 mi S | Standard |
| 83406 | Idaho Falls, ID | 14 mi S | Standard |
| 83403 | Idaho Falls, ID | 14.2 mi S | PO Box only |
| 83405 | Idaho Falls, ID | 14.2 mi S | PO Box only |
| 83415 | Idaho Falls, ID | 14.2 mi S | Unique |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 83431 or measure the distance to another ZIP code.
How to address mail to 83431
123 MAIN ST
LEWISVILLE ID 83431
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (83431-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 83431?
- 83431 is a Lewisville, Idaho ZIP code.
- What county is 83431 in?
- ZIP code 83431 is in Jefferson County, Idaho.
- What time zone is ZIP code 83431 in?
- 83431 is in the Mountain Time zone (America/Boise).
- What area code is 83431?
- Phone numbers in ZIP code 83431 use area codes 208 and 986.
- What is the population of ZIP code 83431?
- About 1,045 people live in ZIP code 83431, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 83431?
- The median household income in 83431 is $90,833 a year, higher than 83% of Idaho ZIP codes.
- What ZIP codes are near 83431?
- The nearest ZIP codes to 83431 are 83434 (Menan, 4.1 miles), 83444 (Roberts, 5.7 miles), 83442 (Rigby, 5.9 miles) and 83454 (Ucon, 6.3 miles).