Phillips County, Montana Age & Gender Statistics (2024)

Total Population

4,221

Median Age

45.6

Male Median

45.0

Female Median

46.5

Phillips County, Montana Population Growth

Population trends in
Figure 1: Annual population growth trend for (2010–2024).

Phillips County, Montana Demographic Trend

Since 2010, the population of has changed by +0.4%%.

+0.4%% Growth

Phillips County, Montana Age & Gender Pyramid

Population pyramid for

Figure 2: Population distribution by age and gender for 2024.


Phillips County, Montana Historical Population Data

YearMedian AgePopulation
202445.64,221
202344.94,224
202245.94,233
202146.74,233
202047.54,032
201949.04,077
201847.24,124
201746.44,139
201647.34,150
201547.94,167
201447.94,194
201348.44,205
201248.44,203
201147.54,227
201047.64,206

Phillips County, Montana Age Group Breakdown (2024)

Age CohortPercentage
Under 56.1%
5–1717.3%
18–245.5%
25–347.9%
35–5421.9%
55–6417.2%
65+24.0%

Dependency Ratios for Phillips County, Montana

Total Dependency Ratio:
90.0
Youth Dependency:
44.4
Old-Age Dependency:
45.6

The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).



Age & Gender FAQs for Phillips County, Montana

The median age in Phillips County, Montana is 45.6 years.

According to latest Census data, the total population of Phillips County, Montana is 4,221.

In Phillips County, Montana, seniors (ages 65+) make up 24.0% of the population, while children under 18 represent 17.3%.

Based on historical data since 2010, the population in Phillips County, Montana is becoming younger.
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