Pompeys Pillar, MT 59064 ZIP Code Profile

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Pompeys Pillar, MT

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ZIP Code 59064: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Pompeys Pillar, MT 59064

Acceptable Alternative
Pompey Pillar, MT 59064

  • ZIP Code Type: STANDARD
  • County: Yellowstone County
  • Centroid: Latitude 45.95, Longitude -107.981
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: Yes
  • Businesses Addresses: 5
  • PO Box Addresses: 18
  • Residential Addresses: 77
    • Multi-Family Addresses: 0
    • Single Family Addresses: 77

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

EXTREMELY LOCAL Demographic Data

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59064 ZIP Code Map

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Pompeys Pillar, MT 59064 Data & Demographics (As of July 1, 2017)


Total Population 306
Daytime Population: Workers 19
Daytime Population: Residents 154
Total Daytime Population (TDP) 173
Ratio TDP/Total Population1 0.57
Population in Households 306
Population in Familes 258
Population in Group Qrtrs 0
Population Density2 3
Diversity Index3 20


Median Household Income $48,477
Average Household Income $63,378
Per Capita Income $23,404


Total Housing Units 143 (100%)
Owner Occupied HU 85 (59.4%)
Renter Occupied HU 28 (19.6%)
Vacant Housing Units 30 (21.0%)
Median Home Value $196,250
Average Home Value $276,471


Total Households 113
Average Household Size 2.71
Family Households 79
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. 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 1.33% 1.46%
Households 1.29% 1.38%
Families 0.91% 1.23%
Median Household Income   3.57%
Per Capita Income   3.31%

Pompeys Pillar, MT 59064 - Peer Comparisons by Rank and Percentile

The table below compares 59064 to the other 362 ZIP Codes in Montana by rank and percentile using July 1, 2017 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 # 224 38th
Population Density # 167 55th
Diversity Index # 96 74th
Median Household Income # 164 55th
Per Capita Income # 298 18th

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

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