StatisticBig ArmMontanaNational
Population density (sq mi)58791
Median age53.539.837.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)82%58%55%
Families w/ Kids under 1832%40%43%
Speak English94%96%79%
Speak Spanish0%1%13%

Key findings

  • The population density in Big Arm is 723% higher than Montana
  • The median age in Big Arm is 34% higher than Montana
  • In Big Arm 78.21% of the population is White
  • In Big Arm 0.00% of the population is Black
  • In Big Arm 0.00% of the population is Asian

Compare Big Arm, MT Demographics


      Big Arm population breakdown by race

      RaceBig ArmMontanaNational
      American Indian21.79%6.57%0.82%
      Native Hawaiian0.00%0.08%0.18%
      Mixed race0.00%2.59%3.06%
      Other race0.00%0.50%4.75%
      In Big Arm, 0.0% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Big Arm age breakdown

      Marital status

      Age of children in married couples

      Source: The Big Arm, MT demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).