ZIP code
84121
Salt Lake City, UT
84121 covers Salt Lake City in Salt Lake County, with 39,204 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 84121. Methodology
ZIP code map of 84121

About ZIP code 84121
Acceptable cities: Brighton, Cottonwd Hts, Cottonwood, Cottonwood Heights, Cottonwood Heights City, Holladay, Holladay Cottonwood, Holladay Ctwd, Murray, Salt Lake Cty, Solitude
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 84121. Not ACS. Methodology
People in 84121
Race
- White35,609
- Black or African American293
- American Indian or Alaska Native202
- Asian1,395
- Native Hawaiian and Pacific Islander138
- Other race940
- Two or more races3,051
Hispanic or Latino (any race): 2,916
Age
- Under 104,788
- 10 to 194,970
- 20 to 295,196
- 30 to 395,920
- 40 to 495,071
- 50 to 594,784
- 60 to 695,042
- 70 to 793,718
- 80 and older2,139
Income and housing in 84121
Education
- High school graduate96.9%
- Bachelor's degree52.3%
- Graduate degree20.2%
Places covering 84121
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Cottonwood Heights68.0%
- Murray20.3%
- Holladay10.6%
- Brighton1.0%
- Alta0.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Salt Lake County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
0.1% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 84121
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 39,255 | |
| 2006 | 36,933 | |
| 2007 | 38,430 | |
| 2008 | 37,667 | |
| 2009 | 37,877 | |
| 2010 | 38,296 | |
| 2011 | 41,817 | 38,744 |
| 2012 | 41,120 | 38,350 |
| 2013 | 41,646 | 38,410 |
| 2014 | 41,494 | 38,210 |
| 2015 | 41,604 | 38,410 |
| 2016 | 40,635 | 38,200 |
| 2017 | 40,665 | 38,090 |
| 2018 | 40,752 | 37,670 |
| 2019 | 40,857 | 37,720 |
| 2020 | 39,895 | 37,450 |
| 2021 | 40,151 | 36,690 |
| 2022 | 39,759 | 36,470 |
| 2023 | 39,204 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 84121
12 nearest ZIP centroids (any distance)
- 84092Sandy4.7 miPop 28,162 · Income $153,333
- 84109Salt Lake City6.2 miPop 25,879 · Income $136,823
- 84124Salt Lake City7.2 miPop 22,992 · Income $117,500
- 84093Sandy7.6 miPop 23,998 · Income $132,453
- 84117Salt Lake City8.4 miPop 24,873 · Income $87,451
- 84004Alpine9.1 miPop 10,272 · Income $156,786
- 84060Park City9.6 miPop 8,575 · Income $132,412
- 84094Sandy9.7 miPop 28,277 · Income $102,881
- 84003American Fork10.0 miPop 55,259 · Income $120,262
- 84107Salt Lake City10.7 miPop 37,548 · Income $73,469
- 84047Midvale10.8 miPop 36,573 · Income $73,120
- 84106Salt Lake City10.8 miPop 33,791 · Income $94,452
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 84121, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 84121 FAQ
- What city is ZIP code 84121 in?
- 84121 is in Salt Lake City, UT.
- What county is 84121 in?
- 84121 is in Salt Lake County.
- What is the median household income in 84121?
- The median household income in 84121 is $114,912.
- Which ZIP codes are near 84121?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 84121.