Moody County, South Dakota Age & Gender Statistics (2024)

Total Population

6,397

Median Age

40.8

Male Median

39.8

Female Median

41.7

Moody County, South Dakota Population Growth

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

Moody County, South Dakota Demographic Trend

Since 2010, the population of has changed by -1.8%%.

-1.8%% Growth

Moody County, South Dakota Age & Gender Pyramid

Population pyramid for

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


Moody County, South Dakota Historical Population Data

YearMedian AgePopulation
202440.86,397
202340.56,371
202240.66,346
202140.56,335
202040.76,508
201939.96,507
201840.46,506
201740.36,496
201640.06,445
201540.76,439
201440.36,445
201340.86,460
201240.36,474
201140.56,497
201040.36,511

Moody County, South Dakota Age Group Breakdown (2024)

Age CohortPercentage
Under 57.1%
5–1719.2%
18–246.7%
25–3410.7%
35–5422.2%
55–6413.9%
65+20.2%

Dependency Ratios for Moody County, South Dakota

Total Dependency Ratio:
86.9
Youth Dependency:
49.2
Old-Age Dependency:
37.8

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



Age & Gender FAQs for Moody County, South Dakota

The median age in Moody County, South Dakota is 40.8 years.

According to latest Census data, the total population of Moody County, South Dakota is 6,397.

In Moody County, South Dakota, seniors (ages 65+) make up 20.2% of the population, while children under 18 represent 19.2%.

Based on historical data since 2010, the population in Moody County, South Dakota has remained stable.
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