Overview
          464
                  Total Population
                44.4
                  Median age
                50.86%
                  Female population %
                96.6:100
                  Gender ratio (M:F)
                45-49 years
                  Largest age group
                53.6
                  Total dependency ratio
                White
                  Largest racial group
                8
                  Hispanic population
                Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Hartman's population is old compared to the rest of the country:
- The median age in Hartman is 44.4, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
 - Hartman's population under 18 was 20.47%, compared to the 22.51% nationwide.
 - Hartman's elderly or the senior population (over 65 age) was 16.81% as compared to 16.04% nationwide.
 - Of the total population in Hartman, 18.10% were under the age of 15, 12.93% aged 15 to 29, 52.16% aged 30 to 64, 15.09% aged 65 to 84, and 1.72% were 85 years of age and older.
 
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Gender
There are 8 more females than males in Hartman:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.86% females and 49.14% males in Hartman, AR.
 - The Hartman, AR gender ratio is 96.6:100 i.e. 96.6 men to 100 women (0.966).
 - For male population, the largest age group is 45-49 years with a population of 46.
 - For the female population, the largest age group is 10-14 years with a population of 32.
 
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Race / Ethnicity
Hartman's population is moderately diverse:
- Racial distribution of Hartman population: 84.70% are White and 15.30% are multiracial.
 - Hartman's racial breakdown clearly shows that there is an absolute majority of White population in the city.
 - By ethnicity, 8 is Hispanic or Latino (of any race), and 456 (98.28% of the total population) is Non-Hispanic.
 - The largest racial group in Hartman is White with a population of 393 (84.70% of the total population).
 
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Year by year
Hartman's population has already reached its peak and is showing a trend of decline:
- The peak population was 638 in the year 2007
 - From 2000 to 2010, Hartman's population decreased by 39 (6.61%), as compared to the national growth of 9.63%.
 - From 2010 to 2020, Hartman's population decreased by 36 (6.53%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
 - Between the year 2000 and 2022, Hartman's population was lowest in year 2020 at 515.
 
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References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
 - U.S. Census Bureau Population Estimates Population Estimates Program (PEP)