Rocklake, ND 58365 ZIP Code Profile

Related Place Profiles:
Crocus, ND | Rock Lake, ND

ZIP Code 58365: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Rocklake, ND 58365

Not Acceptable, USPS
Armourdale, ND 58365
Crocus, ND 58365
Rock Lake, ND 58365

  • ZIP Code Type: STANDARD
  • County: Towner County
  • Centroid: Latitude 48.858, Longitude -99.13
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 12
  • PO Box Addresses: 70
  • Residential Addresses: 67
    • Multi-Family Addresses: 6
    • Single Family Addresses: 61

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2018, Maps updated: August 1, 2018.

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Rocklake, ND 58365 Data & Demographics (As of July 1, 2018)


Total Population 243
Population in Households 243
Population in Familes 185
Population in Group Qrtrs 0
Population Density1 1
Diversity Index2 12


Median Household Income $58,788
Average Household Income $79,500
Per Capita Income $42,531


Total Housing Units 201 (100%)
Owner Occupied HU 108 (53.7%)
Renter Occupied HU 22 (10.9%)
Vacant Housing Units 71 (35.3%)
Median Home Value $60,714
Average Home Value $118,981


Total Households 130
Average Household Size 1.87
Family Households 74
Average Family Size 3
  1. Population Density = Total Population per square mile.
  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 race 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.


2010-2017 2017-2022
Population -0.82% -0.75%
Households -0.72% -0.47%
Families -1.09% -0.55%
Median Household Income   2.06%
Per Capita Income   2.93%

Rocklake, ND 58365 - Peer Comparisons by Rank and Percentile

The table below compares 58365 to the other 383 ZIP Codes in North Dakota by rank and percentile using July 1, 2018 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 # 273 29th
Population Density # 368 5th
Diversity Index # 193 49th
Median Household Income # 239 38th
Per Capita Income # 64 84th

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

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