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County ZIP codes · Utah · FIPS 49043

Summit County, UT ZIP Codes

Summit County, Utah has 10 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 9 residential and 1 for PO boxes or a single organization. 3 of the residential ones extend into a neighboring county. Median household income ranges from $81,042 in 82930 (Evanston) to $174,119 in 84098 (Park City) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Summit County?

82930 · Evanston: $81k84017 · Coalville: $96k84024 · Echo: –84033 · Henefer: $94k84036 · Kamas: $121k84055 · Oakley: $126k84060 · Park City: $128k84061 · Peoa: $178k84098 · Park City: $174k829308401784036840558403384098840618406082930 · Evanston: $81k84017 · Coalville: $96k84024 · Echo: –84033 · Henefer: $94k84036 · Kamas: $121k84055 · Oakley: $126k84060 · Park City: $128k84061 · Peoa: $178k84098 · Park City: $174k8293084017840368405584033840988406082930 · Evanston: $81k84017 · Coalville: $96k84024 · Echo: –84033 · Henefer: $94k84036 · Kamas: $121k84055 · Oakley: $126k84060 · Park City: $128k84061 · Peoa: $178k84098 · Park City: $174k8293084017840368405584098
The residential ZIP codes of Summit County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $94,038 and $120,769.

They carry 8 postal town names: Park City, Evanston, Kamas, Coalville, Oakley, Henefer, Peoa, Echo.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 9 residential ZIP codes in Summit County

Residential ZIP codes mainly in Summit County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
84098 Park City 20,357 283 $174k $1.21M 100%
82930 Evanston 14,435 15 $81k $293k 71%
84036 Kamas 9,241 28 $121k $753k 72%
84060 Park City 8,619 196 $128k $1.79M 75%
84017 Coalville 4,417 8 $96k $621k 100%
84055 Oakley 1,584 13 $126k $677k 100%
84033 Henefer 1,109 15 $94k $464k 100%
84061 Peoa 422 8 $178k $850k 100%
84024 Echo 83 11 – – 100%

Download the 10 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

3 ZIP codes of Summit County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Summit County and in the neighboring counties
ZIPIn SummitElsewhere
8293071%Uinta County 29%
8403672%Wasatch County 28%
8406075%Wasatch County 25%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

PO Box and single-organization ZIP codes

ZIP codes in Summit County without a residential area (GeoNames postal codes)
ZIPPostal name
84068Park City

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Summit County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Summit County's ZIP codes use 2 prefixes: 829 and 840.

Three-digit prefixes of Summit County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Summit County's
PrefixSectional centerHereAll codes
829 Salt Lake City, UT (SCF 840) 1 21
840 Salt Lake City, UT (SCF 840) 9 94

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.