Plains, MT 59859 ZIP Code Profile

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Plains, MT

ZIP Code 59859: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Plains, MT 59859

  • ZIP Code Type: STANDARD
  • County: Sanders County
  • Centroid: Latitude 47.482, Longitude -114.883
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: Yes
  • Businesses Addresses: 143
  • PO Box Addresses: 1,001
  • Residential Addresses: 693
    • Multi-Family Addresses: 0
    • Single Family Addresses: 693

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2019, Maps updated: February 1, 2019.

Jump to... (On This Page!)
  1. 59859 2018 Demographic Data
  2. Growth Rates for 59859 (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Montana Research Tools (Easy Tools & Current Data)
  3. Montana Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Plains, MT 59859 Data & Demographics (As of July 1, 2018)


Total Population 3,637
Population in Households 3,534
Population in Familes 2,749
Population in Group Qrtrs 103
Population Density2 6
Diversity Index3 21


Median Household Income $34,826
Average Household Income $48,041
Per Capita Income $21,555


Total Housing Units 2,042 (100%)
Owner Occupied HU 1,160 (56.8%)
Renter Occupied HU 439 (21.5%)
Vacant Housing Units 443 (21.7%)
Median Home Value $235,354
Average Home Value $286,983


Total Households 1,599
Average Household Size 2.21
Family Households 979
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.13% 0.44%
Households 0.11% 0.42%
Families -0.12% 0.28%
Median Household Income   0.96%
Per Capita Income   1.79%

Plains, MT 59859 - Peer Comparisons by Rank and Percentile

The table below compares 59859 to the other 362 ZIP Codes in Montana 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 # 59 84th
Population Density # 119 68th
Diversity Index # 95 73rd
Median Household Income # 342 6th
Per Capita Income # 317 13th

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

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