Plymouth, UT 84330 ZIP Code Profile

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Plymouth, UT

ZIP Code 84330: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Plymouth, UT 84330

  • ZIP Code Type: PO BOX
  • County: Box Elder County
  • Centroid: Latitude 41.909, Longitude -112.157
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: Yes
  • Businesses Addresses: 14
  • PO Box Addresses: 170
  • Residential Addresses: 1
    • Multi-Family Addresses: 0
    • Single Family Addresses: 1

The ZIP Code maps and database are updated 4 times per year.
Database updated: July 1, 2020, Maps updated: August 4, 2020.


Plymouth, UT 84330 Data & Demographics (As of July 1, 2020)


Total Population 379 (100%)
Population in Households 379 (100.0%)
Population in Families 352 (92.9%)
Population in Group Quarters1 0
Population Density 385
Diversity Index2 16


Median Household Income $61,469
Average Household Income $78,352
% of Income for Mortgage4 20%
Per Capita Income $24,395
Wealth Index5 71


Total HU (Housing Units) 129 (100%)
Owner Occupied HU 99 (76.7%)
Renter Occupied HU 19 (14.7%)
Vacant Housing Units 11 ( 8.5%)
Median Home Value $292,708
Average Home Value $310,606
Housing Affordability Index3 137


Total Households 118
Average Household Size 3.21
Family Households 100
Average Family Size 4
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population 0.67% 1.78%
Households 0.78% 1.8%
Families 0.71% 1.74%
Median Household Income   1.42%
Per Capita Income   2.35%
Owner Occupied HU   1.76%

Plymouth, UT 84330 - Peer Comparisons by Rank and Percentile

The table below compares 84330 to the other 295 ZIP Codes in Utah by rank and percentile using July 1, 2020 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 # 237 20th
Population Density # 92 69th
Median Household Income # 133 55th
Housing Affordability Index # 98 33rd
Per Capita Income # 175 41st
Diversity Index # 255 14th

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

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