San Miguel County, New Mexico Age & Gender Statistics (2024)

Total Population

26,850

Median Age

47.2

Male Median

45.7

Female Median

47.9

San Miguel County, New Mexico Population Growth

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

San Miguel County, New Mexico Demographic Trend

Since 2010, the population of has changed by -8.4%%.

-8.4%% Growth

San Miguel County, New Mexico Age & Gender Pyramid

Population pyramid for

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


San Miguel County, New Mexico Historical Population Data

YearMedian AgePopulation
202447.226,850
202346.827,036
202245.027,215
202144.727,357
202044.627,546
201944.027,738
201843.228,034
201742.928,203
201642.228,350
201542.528,668
201441.828,899
201341.529,093
201241.429,225
201141.029,300
201039.829,321

San Miguel County, New Mexico Age Group Breakdown (2024)

Age CohortPercentage
Under 54.3%
5–1712.6%
18–248.7%
25–3410.9%
35–5422.9%
55–6415.1%
65+25.6%

Dependency Ratios for San Miguel County, New Mexico

Total Dependency Ratio:
73.7
Youth Dependency:
29.3
Old-Age Dependency:
44.4

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



Age & Gender FAQs for San Miguel County, New Mexico

The median age in San Miguel County, New Mexico is 47.2 years.

According to latest Census data, the total population of San Miguel County, New Mexico is 26,850.

In San Miguel County, New Mexico, seniors (ages 65+) make up 25.6% of the population, while children under 18 represent 12.6%.

Based on historical data since 2010, the population in San Miguel County, New Mexico is aging.
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