Big Arm, MT 59910 ZIP Code Profile

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Big Arm, MT

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ZIP Code 59910: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Big Arm, MT 59910

  • ZIP Code Type: STANDARD
  • County: Lake County
  • Centroid: Latitude 47.794, Longitude -114.295
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: Yes
  • Businesses Addresses: 12
  • PO Box Addresses: 157
  • Residential Addresses: 101
    • Multi-Family Addresses: 0
    • Single Family Addresses: 101

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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59910 ZIP Code Map

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Big Arm, MT 59910 Data & Demographics (As of July 1, 2017)


Total Population 353
Daytime Population: Workers 104
Daytime Population: Residents 221
Total Daytime Population (TDP) 325
Ratio TDP/Total Population1 0.92
Population in Households 353
Population in Familes 283
Population in Group Qrtrs 0
Population Density2 16
Diversity Index3 53


Median Household Income $55,873
Average Household Income $75,318
Per Capita Income $34,139


Total Housing Units 366 (100%)
Owner Occupied HU 127 (34.7%)
Renter Occupied HU 33 ( 9.0%)
Vacant Housing Units 206 (56.3%)
Median Home Value $459,091
Average Home Value $569,685


Total Households 160
Average Household Size 2.21
Family Households 109
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 1.15% 1.11%
Households 0.99% 1.1%
Families 0.78% 0.72%
Median Household Income   1.48%
Per Capita Income   2.9%

Big Arm, MT 59910 - Peer Comparisons by Rank and Percentile

The table below compares 59910 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 # 208 43rd
Population Density # 77 79th
Diversity Index # 13 97th
Median Household Income # 60 84th
Per Capita Income # 71 81st

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

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