| ZIP Codes: | 69 ZIP Codes (42 Standard, 18 PO Box, 9 Unique) [See All] |
| Area Codes: | 385 / 801 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 2:14:05 PM |
| Population: | 1,199,921 [See All] |
| FIPS: | 49035 |
| CBSA: | Salt Lake City-Murray, UT |
| Land Area: | 933 sq mi |
| Water Area: | 53 sq mi |
| Coordinates: | 40.6925, -111.9086 |
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1,199,921 residents live across 69 ZIPs covering 933 sq mi, served by 11 distinct USPS-recognized cities.
Population moved from 1,065,793 to 1,118,287 from 2014 to 2024 — a +4.9% change. 27 ZIPs gained residents, 9 lost (and 1 held flat).
The county's wealthiest ZIP 84092 (Sandy, $151,500 median) and poorest ZIP 84112 (Salt Lake City, $10,296) are 17.0 miles apart — a 14.7× income gap across local geography.
Median home values vary 2.3× across this county — from $359,600 in 84104 (Salt Lake City) to $838,600 in 84108 (Salt Lake City).
Density varies 275× across the county — from 35 people/sq mi in 84006 (Bingham Canyon) to 9,581 in 84102 (Salt Lake City).
Educational attainment ranges from 13.0% bachelor's+ in 84044 (Magna) to 77.0% in 84108 (Salt Lake City) — the breadth of educational profiles across the area.
Within Utah, this is the #1 most populous of 29 counties and ranks #7 for median household income with the #14 fastest decade growth .
On the national stage, Salt Lake County is the #39 most populous US county .
Hosts 4 single-entity Unique ZIPs: 84132University Medical Ctr ; 84150Church Of Jesus Christ/Lds ; 84199Us Postal Service ; and 84143Salt Lake City .
Weighted by population, the typical household earns about $101,884 across the county — reflecting what a typical resident sees, not a simple ZIP average.
39.4% of adults age 25+ hold a bachelor's degree or higher (306,260 of 777,139 reporting). The most-educated ZIPs cluster around Salt Lake City.
42 Standard delivery, 18 PO Box only, 9 single-entity Unique ZIPs serve this county.
5 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
9 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
Median household income spans 14.7× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 84096 | Herriman | Standard | 74,603 | $122,881 | 75.1 | 110.6% |
| 84081 | West Jordan | Standard | 52,314 | $119,970 | 49.8 | 16.5% |
| 84120 | West Valley City | Standard | 50,799 | $94,306 | 9.9 | 3.1% |
| 84065 | Riverton | Standard | 50,768 | $128,192 | 21.3 | 26.5% |
| 84020 | Draper | Standard | 50,278 | $128,910 | 27.1 | 15.1% |
| 84119 | West Valley City | Standard | 50,070 | $71,378 | 11.1 | -8.8% |
| 84009 | South Jordan | Standard | 44,186 | $137,922 | 10.5 | — |
| 84118 | Salt Lake City | Standard | 42,853 | $90,562 | 89.5 | -36.2% |
| 84088 | West Jordan | Standard | 39,228 | $105,142 | 9.2 | 4.9% |
| 84121 | Salt Lake City | Standard | 38,912 | $115,515 | 66.2 | -6.2% |
| 84116 | Salt Lake City | Standard | 38,625 | $66,751 | 144.2 | 11.7% |
| 84095 | South Jordan | Standard | 38,532 | $126,968 | 11.5 | -32.7% |
| 84107 | Salt Lake City | Standard | 38,257 | $72,108 | 7.6 | 17.0% |
| 84129 | Salt Lake City | Standard | 37,442 | $95,844 | 6.7 | — |
| 84047 | Midvale | Standard | 37,411 | $75,954 | 6.2 | 19.2% |
| 84123 | Salt Lake City | Standard | 37,054 | $81,271 | 8.4 | -4.4% |
| 84106 | Salt Lake City | Standard | 35,213 | $101,551 | 6.1 | -0.8% |
| 84128 | West Valley City | Standard | 32,126 | $110,726 | 12.8 | 12.7% |
| 84084 | West Jordan | Standard | 31,542 | $96,056 | 6.6 | -12.6% |
| 84070 | Sandy | Standard | 30,472 | $78,991 | 7.7 | 16.4% |
| 84044 | Magna | Standard | 30,031 | $90,346 | 20.7 | 6.1% |
| 84115 | Salt Lake City | Standard | 28,882 | $65,548 | 6.6 | 15.4% |
| 84092 | Sandy | Standard | 27,651 | $151,500 | 86.8 | -7.5% |
| 84094 | Sandy | Standard | 27,507 | $106,732 | 5.1 | 0.9% |
| 84109 | Salt Lake City | Standard | 25,544 | $145,034 | 52.7 | 4.5% |
| 84117 | Salt Lake City | Standard | 24,980 | $87,813 | 5.6 | 0.5% |
| 84093 | Sandy | Standard | 23,871 | $138,556 | 5.5 | 1.6% |
| 84103 | Salt Lake City | Standard | 23,749 | $83,916 | 26.0 | 10.6% |
| 84105 | Salt Lake City | Standard | 23,491 | $99,562 | 3.1 | 2.4% |
| 84104 | Salt Lake City | Standard | 23,420 | $61,425 | 22.5 | -5.9% |
| 84124 | Salt Lake City | Standard | 22,609 | $120,408 | 7.7 | 5.6% |
| 84108 | Salt Lake City | Standard | 22,390 | $120,854 | 66.1 | 10.1% |
| 84102 | Salt Lake City | Standard | 18,777 | $52,199 | 2.0 | 7.8% |
| 84111 | Salt Lake City | Standard | 12,782 | $52,952 | 1.4 | 19.2% |
| 84101 | Salt Lake City | Standard | 9,381 | $72,735 | 1.9 | 84.4% |
| 84112 | Salt Lake City | Standard | 2,841 | $10,296 | 0.7 | 27.6% |
| 84006 | Bingham Canyon | Standard | 1,060 | $83,000 | 30.4 | 92.4% |
| 84113 | Salt Lake City | Standard | 264 | — | 0.5 | 121.8% |
| 84150 | Salt Lake City | Unique | 6 | — | 0.1 | — |
| 84114 | Salt Lake City | Standard | 0 | — | 0.1 | — |
| 84180 | Salt Lake City | Standard | 0 | — | 0.0 | — |
| 84138 | Salt Lake City | Standard | 0 | — | 0.0 | — |
| 84139 | Salt Lake City | Unique | — | — | 0.0 | — |
| 84133 | Salt Lake City | Standard | — | — | 0.0 | — |
| 84132 | Salt Lake City | Unique | — | — | 0.1 | — |
| 84110 | Salt Lake City | PO Box | — | — | 0.0 | — |
| 84151 | Salt Lake City | PO Box | — | — | 0.0 | — |
| 84145 | Salt Lake City | PO Box | — | — | 0.0 | — |
| 84147 | Salt Lake City | PO Box | — | — | 0.0 | — |
| 84158 | Salt Lake City | PO Box | — | — | 0.0 | — |
| 84148 | Salt Lake City | Unique | — | — | 0.0 | — |
| 84143 | Salt Lake City | Unique | — | — | 0.0 | — |
| 84134 | Salt Lake City | Unique | — | — | 0.0 | — |
| 84122 | Salt Lake City | PO Box | — | — | 0.0 | — |
| 84090 | Sandy | PO Box | — | — | 0.0 | — |
| 84091 | Sandy | PO Box | — | — | 0.0 | — |
| 84157 | Salt Lake City | PO Box | — | — | 0.0 | — |
| 84171 | Salt Lake City | PO Box | — | — | 0.0 | — |
| 84170 | Salt Lake City | PO Box | — | — | 0.0 | — |
| 84165 | Salt Lake City | PO Box | — | — | 0.0 | — |
| 84190 | Salt Lake City | Unique | — | — | 0.0 | — |
| 84199 | Salt Lake City | Unique | — | — | 0.0 | — |
| 84127 | Salt Lake City | PO Box | — | — | 0.0 | — |
| 84125 | Salt Lake City | PO Box | — | — | 0.0 | — |
| 84126 | Salt Lake City | PO Box | — | — | 0.0 | — |
| 84184 | Salt Lake City | Unique | — | — | 0.0 | — |
| 84131 | Salt Lake City | PO Box | — | — | 0.0 | — |
| 84130 | Salt Lake City | PO Box | — | — | 0.0 | — |
| 84152 | Salt Lake City | PO Box | — | — | 0.0 | — |