ZIP code 84121
Where is ZIP code 84121?
Salt Lake City, Utah
Salt Lake County · Standard ZIP code
ZIP code 84121 belongs to Salt Lake City, Utah in Salt Lake County. 84121 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 38,912 people live in the 84121 area, where the median household income is $115,515. The closest ZIP codes are 84092 (Sandy, 3.2 mi southeast), 84093 (Sandy, 3.5 mi southwest) and 84117 (Salt Lake City, 3.7 mi northwest).
| ZIP code | 84121 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Salt Lake City |
| Also accepted | Brighton, Cottonwd Hts, Cottonwood, Cottonwood Heights, Cottonwood Heights City, Holladay, Holladay Cottonwood, Holladay Ctwd, Murray, Salt Lake Cty, Solitude |
| State | Utah (UT) |
| County | Salt Lake County |
| Time zone | Mountain Time · now |
| Area codes | 385, 435, 801 |
| Coordinates | 40.6226, -111.7777 map |
| 3-digit prefix | 841 |
Population and income in 84121
| Population | 38,912 · higher than 91% of Utah ZIP codes |
|---|---|
| People per square mile | 604 · higher than 76% of Utah ZIP codes |
| Median age | 41.1 years · higher than 71% of Utah ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $115,515 · higher than 84% of Utah ZIP codes |
| Income per person | $59,542 |
| Below the poverty line | 7.2% |
| Bachelor’s degree or higher | 53% of adults 25+ |
| Median home value | $659,900 · higher than 91% of Utah ZIP codes |
| Median rent | $1,774 a month |
| Housing units | 16,642 |
| Households | 15,436 (2.51 people on average) |
| Owners / renters | 75% / 25% |
| Land area | 64.45 sq mi (plus 0.16 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 84121. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 84121
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 84092 | Sandy, UT | 3.2 mi SE | Standard |
| 84093 | Sandy, UT | 3.5 mi SW | Standard |
| 84117 | Salt Lake City, UT | 3.7 mi NW | Standard |
| 84124 | Salt Lake City, UT | 4.2 mi NW | Standard |
| 84047 | Midvale, UT | 5.7 mi W | Standard |
| 84094 | Sandy, UT | 5.8 mi SW | Standard |
| 84109 | Salt Lake City, UT | 6 mi N | Standard |
| 84070 | Sandy, UT | 6.2 mi SW | Standard |
| 84107 | Salt Lake City, UT | 6.4 mi W | Standard |
| 84106 | Salt Lake City, UT | 7 mi NW | Standard |
| 84090 | Sandy, UT | 7.5 mi NW | PO Box only |
| 84091 | Sandy, UT | 7.5 mi NW | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 84121 or measure the distance to another ZIP code.
How to address mail to 84121
123 MAIN ST
SALT LAKE CITY UT 84121
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts BRIGHTON, COTTONWD HTS, COTTONWOOD, COTTONWOOD HEIGHTS, COTTONWOOD HEIGHTS CITY, HOLLADAY, HOLLADAY COTTONWOOD, HOLLADAY CTWD, MURRAY, SALT LAKE CTY and SOLITUDE as the city name for 84121. Avoid Slc: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (84121-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Salt Lake City, UT
- 84101
- 84102
- 84103
- 84104
- 84105
- 84106
- 84107
- 84108
- 84109
- 84110
- 84111
- 84112
- 84113
- 84114
- 84115
- 84116
- 84117
- 84118
- 84122
- 84123
- 84124
- 84125
- 84126
- 84127
- 84129
- 84130
- 84131
- 84132
- 84133
- 84134
- 84138
- 84139
- 84141
- 84143
- 84145
- 84147
- 84148
- 84150
- 84151
- 84152
- 84157
- 84158
- 84165
- 84170
- 84171
- 84180
- 84184
- 84190
- 84199
All Salt Lake City ZIP codes with population and income →
Questions
- What city is ZIP code 84121?
- 84121 is a Salt Lake City, Utah ZIP code. Brighton, Cottonwd Hts, Cottonwood, Cottonwood Heights, Cottonwood Heights City, Holladay, Holladay Cottonwood, Holladay Ctwd, Murray, Salt Lake Cty and Solitude are also accepted as the city name.
- What county is 84121 in?
- ZIP code 84121 is in Salt Lake County, Utah.
- What time zone is ZIP code 84121 in?
- 84121 is in the Mountain Time zone (America/Denver).
- What area code is 84121?
- Phone numbers in ZIP code 84121 use area codes 385, 435 and 801.
- What is the population of ZIP code 84121?
- About 38,912 people live in ZIP code 84121, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 84121?
- The median household income in 84121 is $115,515 a year, higher than 84% of Utah ZIP codes.
- What ZIP codes are near 84121?
- The nearest ZIP codes to 84121 are 84092 (Sandy, 3.2 miles), 84093 (Sandy, 3.5 miles), 84117 (Salt Lake City, 3.7 miles) and 84124 (Salt Lake City, 4.2 miles).