Deer Lodge County, Montana Age & Gender Statistics (2024)

Total Population

9,597

Median Age

49.9

Male Median

48.6

Female Median

51.7

Deer Lodge County, Montana Population Growth

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

Deer Lodge County, Montana Demographic Trend

Since 2010, the population of has changed by +3.5%%.

+3.5%% Growth

Deer Lodge County, Montana Age & Gender Pyramid

Population pyramid for

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


Deer Lodge County, Montana Historical Population Data

YearMedian AgePopulation
202449.99,597
202349.69,512
202249.69,435
202148.49,380
202049.09,153
201948.69,106
201848.59,100
201747.49,131
201647.39,176
201546.89,211
201446.39,243
201345.89,285
201246.29,277
201146.49,294
201046.29,270

Deer Lodge County, Montana Age Group Breakdown (2024)

Age CohortPercentage
Under 53.6%
5–178.4%
18–248.3%
25–3411.3%
35–5425.7%
55–6416.4%
65+26.3%

Dependency Ratios for Deer Lodge County, Montana

Total Dependency Ratio:
62.3
Youth Dependency:
19.5
Old-Age Dependency:
42.7

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



Age & Gender FAQs for Deer Lodge County, Montana

The median age in Deer Lodge County, Montana is 49.9 years.

According to latest Census data, the total population of Deer Lodge County, Montana is 9,597.

In Deer Lodge County, Montana, seniors (ages 65+) make up 26.3% of the population, while children under 18 represent 8.4%.

Based on historical data since 2010, the population in Deer Lodge County, Montana is aging.
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