Hill County, Montana Age & Gender Statistics (2024)

Total Population

16,155

Median Age

34.5

Male Median

33.7

Female Median

35.2

Hill County, Montana Population Growth

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

Hill County, Montana Demographic Trend

Since 2010, the population of has changed by +0.9%%.

+0.9%% Growth

Hill County, Montana Age & Gender Pyramid

Population pyramid for

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


Hill County, Montana Historical Population Data

YearMedian AgePopulation
202434.516,155
202334.016,260
202233.416,238
202134.116,297
202034.516,422
201934.316,436
201834.516,439
201734.416,468
201634.516,529
201534.316,523
201434.616,434
201334.716,301
201235.216,157
201135.416,092
201035.616,007

Hill County, Montana Age Group Breakdown (2024)

Age CohortPercentage
Under 58.4%
5–1719.8%
18–249.9%
25–3412.3%
35–5422.1%
55–6411.3%
65+16.3%

Dependency Ratios for Hill County, Montana

Total Dependency Ratio:
80.3
Youth Dependency:
50.9
Old-Age Dependency:
29.4

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



Age & Gender FAQs for Hill County, Montana

The median age in Hill County, Montana is 34.5 years.

According to latest Census data, the total population of Hill County, Montana is 16,155.

In Hill County, Montana, seniors (ages 65+) make up 16.3% of the population, while children under 18 represent 19.8%.

Based on historical data since 2010, the population in Hill County, Montana has remained stable.
Back to Overview