Salt Lake City, UT 84121 ZIP Code Profile


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ZIP Code 84121: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Salt Lake City, UT 84121

Acceptable Alternative
Brighton, UT 84121
Cottonwd Hts, UT 84121
Cottonwood, UT 84121
Cottonwood Heights, UT 84121
Cottonwood Heights City, UT 84121
Holladay, UT 84121
Holladay Cottonwood, UT 84121
Holladay Ctwd, UT 84121
Murray, UT 84121
Salt Lake Cty, UT 84121
Solitude, UT 84121

Not Acceptable, USPS
Slc, UT 84121

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 894
  • Single Family Addresses: 14,274
  • Multi-Family Addresses: 1,941
  • County: Salt Lake County
  • Centroid: Latitude 40.622, Longitude -111.824
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: Yes

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


84121 ZIP Code Map

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Salt Lake City, UT 84121 Data & Demographics (As of July 1, 2016)


Total Population 42,872
Population in Households 42,789
Population in Familes 35,617
Population in Group Qrtrs 83
Population Density1 772
Diversity Index2 28


Total Households 15,914
Average Household Size 2.69
Family Households 11,297
Average Family Size 3


Total Housing Units 17,397 (100%)
Owner Occupied HU 11,511 (66.2%)
Renter Occupied HU 4,403 (25.3%)
Vacant Housing Units 1,483 ( 8.5%)
Median Home Value $342,433
Average Home Value $412,866


Median Household Income $77,748
Average Household Income $105,527
Per Capita Income $39,239
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.76% 0.88%
Households 0.67% 0.89%
Families 0.55% 0.78%
Median Household Income   2.39%
Per Capita Income   2.39%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Salt Lake City, UT 84121 - Peer Comparisons by Rank and Percentile

The table below compares 84121 to the other 298 ZIP Codes in Utah by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 19 94th
Population Density1 # 67 78th
Diversity Index2 # 149 50th
Median Household Income # 32 90th
Per Capita Income # 10 97th

Additional comparisons and rankings can be made with a VERY EASY TO USE Utah Census Data Comparison Tool.

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