Residential delivery area · Utah
ZIP Code 84123: Salt Lake City, UT
ZIP code 84123 uses the postal name Salt Lake City, Utah and lies entirely in Salt Lake County (Census 2020 ZIP-county file). About 37,000 people live there (Census Bureau, ACS 2020-2024), the 6th most populous of Salt Lake City's 24 residential ZIP codes. Median household income is $81,271 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Taylorsville (49%) and Murray (44%), and 7% in smaller places.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Salt Lake City · 24 residential ZIPs
- County
- Salt Lake County
- Census places
- Taylorsville (49%); Murray (44%)
- Neighborhoods
- Amherst Park, Aspen Heights, Auburn Gardens, Bullion, Cimarron, Clover Crest Number 2 and 18 more GeoNames
- Metro area
- Salt Lake City-Murray, UT
- House districts
- UT-4 (97%), UT-2 (3%) 119th Congress, by share of land
- State
- Utah
- Time zone
- Mountain
- Land area
- 8.3 sq mi · 4,480 people per sq mi
- PO Box ZIPs
- 28 more ZIP codes use the name Salt Lake City for PO boxes or single organizations
Where is ZIP code 84123?
84123 centers on 40.658°, -111.922° and covers 8.3 square miles of land. It borders 6 ZIP codes: 84107, 84129, 84119, 84047, 84084, 84115.
The map draws ZIP code areas only. For the streets inside 84123, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 84123 compare with the rest of Salt Lake City?
| Measure | 84123 | In Salt Lake City | In Salt Lake County | In UT |
|---|---|---|---|---|
| People (ACS 2020-2024) | 37,054 | 6th of 24 | 16th of 42 | 35th of 298 |
| Median household income | $81k | 11th of 18 | 26th of 36 | 94th of 145 |
| Median home value | $465k | 11th of 18 | 21st of 36 | 73rd of 153 |
Its median household income is higher than in 64% of U.S. residential ZIP codes, and it is denser than 93% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 84123?
The 2020 Census counted 39,489 people in 84123; the ACS, which samples households over 2020-2024, estimates 37,054. Between the 2010 and 2020 censuses its population grew 4.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 37,054
- 2020 Census count
- 39,489+4.2% since 2010 (37,900)
- Households
- 14,258
- Median age
- 34.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 84123?
Of the 37,054 people the ACS estimates in 84123, 23.6% are under 18 and 13.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (64.5%), then Hispanic or Latino (21.3%).
- Under 1823.6%
- 18 to 6462.8%
- 65 and older13.7%
- White, not Hispanic64.5%
- Hispanic or Latino21.3%
- Other or two or more7.2%
- Asian, not Hispanic4.5%
- Black, not Hispanic2.6%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 84123 earn?
Median household income is $81,271 (ACS 2020-2024), the 26th highest of the 36 ranked ZIP codes in Salt Lake County. It rose from $71,683 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $81,271
- Income per person
- $38,524
- Below the poverty line
- 7.8%
- Unemployed (of the labor force)
- 5.5%
- Adults 25+ with a bachelor's degree
- 28.0%
- Adjusted gross income per tax return, 2022
- $64,40818,440 returns; wages 79% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 84123?
FHFA's house price index for 84123, built from repeat sales and appraisals of the same homes, rose 120% from 2015 to 2025 and rose 50% from 2020 to 2025, and moved +1.0% in 2025.
- Median home value (owners' estimate)
- $464,500
- Median gross rent
- $1,467
- Homes owned by their occupants
- 59.5%
- Housing units
- 15,082
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 84123?
950 business establishments had a location in this ZIP code in 2023, 43 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services140
- Health care and social assistance133
- Construction103
- Retail trade100
- Finance and insurance75
- Accommodation and food services68
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 84123?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 84107 | Salt Lake City | 38,257 | $72k | 2.0 mi |
| 84129 | Salt Lake City | 37,442 | $96k | 2.1 mi |
| 84119 | West Valley City | 50,070 | $71k | 3.2 mi |
| 84047 | Midvale | 37,411 | $76k | 3.4 mi |
| 84084 | West Jordan | 31,542 | $96k | 3.5 mi |
| 84115 | Salt Lake City | 28,882 | $66k | 4.2 mi |
| 84117 | Salt Lake City | 24,980 | $88k | 4.5 mi (near) |
| 84106 | Salt Lake City | 35,213 | $102k | 4.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.