ZIP code 84340
Where is ZIP code 84340?
Willard, Utah
Box Elder County · Standard ZIP code
ZIP code 84340 belongs to Willard, Utah in Box Elder County. 84340 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 385, 435 and 801. About 3,744 people live in the 84340 area, where the median household income is $108,304. The closest ZIP codes are 84414 (Ogden, 6.9 mi southeast), 84302 (Brigham City, 7.6 mi north) and 84324 (Mantua, 8.3 mi northeast).
| ZIP code | 84340 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Willard |
| State | Utah (UT) |
| County | Box Elder County |
| Time zone | Mountain Time · now |
| Area codes | 385, 435, 801 |
| Coordinates | 41.3989, -112.0317 map |
| 3-digit prefix | 843 |
Population and income in 84340
| Population | 3,744 · higher than 59% of Utah ZIP codes |
|---|---|
| People per square mile | 116 · higher than 63% of Utah ZIP codes |
| Median age | 37.9 years · higher than 58% of Utah ZIP codes |
| Men / women | 53% / 48% |
| Median household income | $108,304 · higher than 79% of Utah ZIP codes |
| Income per person | $42,051 |
| Below the poverty line | 4.6% |
| Bachelor’s degree or higher | 35% of adults 25+ |
| Median home value | $498,000 · higher than 71% of Utah ZIP codes |
| Median rent | $1,577 a month |
| Housing units | 1,219 |
| Households | 1,211 (3.09 people on average) |
| Owners / renters | 84% / 16% |
| Land area | 32.16 sq mi (plus 22.99 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 84340. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 84340
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 84414 | Ogden, UT | 6.9 mi SE | Standard |
| 84302 | Brigham City, UT | 7.6 mi N | Standard |
| 84324 | Mantua, UT | 8.3 mi NE | Standard |
| 84404 | Ogden, UT | 9.7 mi S | Standard |
| 84310 | Eden, UT | 10.3 mi SE | Standard |
| 84244 | Ogden, UT | 10.7 mi S | Unique |
| 84402 | Ogden, UT | 10.7 mi S | PO Box only |
| 84409 | Ogden, UT | 10.7 mi S | PO Box only |
| 84412 | Ogden, UT | 10.7 mi S | PO Box only |
| 84415 | Ogden, UT | 10.7 mi S | PO Box only |
| 84201 | Ogden, UT | 10.8 mi S | Unique |
| 84407 | Ogden, UT | 11.6 mi S | Unique |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 84340 or measure the distance to another ZIP code.
How to address mail to 84340
123 MAIN ST
WILLARD UT 84340
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (84340-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 84340?
- 84340 is a Willard, Utah ZIP code.
- What county is 84340 in?
- ZIP code 84340 is in Box Elder County, Utah.
- What time zone is ZIP code 84340 in?
- 84340 is in the Mountain Time zone (America/Denver).
- What area code is 84340?
- Phone numbers in ZIP code 84340 use area codes 385, 435 and 801.
- What is the population of ZIP code 84340?
- About 3,744 people live in ZIP code 84340, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 84340?
- The median household income in 84340 is $108,304 a year, higher than 79% of Utah ZIP codes.
- What ZIP codes are near 84340?
- The nearest ZIP codes to 84340 are 84414 (Ogden, 6.9 miles), 84302 (Brigham City, 7.6 miles), 84324 (Mantua, 8.3 miles) and 84404 (Ogden, 9.7 miles).