Overview
          490
                  Total Population
                33.2
                  Median age
                48.78%
                  Female population %
                105:100
                  Gender ratio (M:F)
                30-34 years
                  Largest age group
                79.5
                  Total dependency ratio
                White
                  Largest racial group
                37
                  Hispanic population
                Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Kulm's population is young compared to the rest of the country:
- The median age in Kulm is 33.2, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
 - Kulm's population under 18 was 31.22%, compared to the 22.51% nationwide.
 - Kulm's elderly or the senior population (over 65 age) was 17.96% as compared to 16.04% nationwide.
 - Of the total population in Kulm, 26.33% were under the age of 15, 15.10% aged 15 to 29, 40.61% aged 30 to 64, 13.47% aged 65 to 84, and 4.49% were 85 years of age and older.
 
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Gender
There are 12 less females than males in Kulm:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 48.78% females and 51.22% males in Kulm, ND.
 - The Kulm, ND gender ratio is 105:100 i.e. 105 men to 100 women (1.050).
 - For male population, the largest age group is 10-14 years with a population of 48.
 - For the female population, the largest age group is 30-34 years with a population of 48.
 
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Race / Ethnicity
Kulm's population has become increasingly diverse:
- Racial distribution of Kulm population: 87.76% are White, 0.20% are American Indian and Alaska Native, 6.94% are some other race and 5.10% are multiracial.
 - Kulm's racial breakdown clearly shows that there is an absolute majority of White population in the city.
 - By ethnicity, 37 is Hispanic or Latino (of any race), and 453 (92.45% of the total population) is Non-Hispanic.
 - The largest racial group in Kulm is White with a population of 43 (87.76% of the total population).
 
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Year by year
Kulm's population has already reached its peak and is showing a trend of decline:
- The peak population was 420 in the year 2000
 - From 2000 to 2010, Kulm's population decreased by 76 (18.10%), as compared to the national growth of 9.63%.
 - From 2010 to 2020, Kulm's population increased by 25 (7.27%), 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, Kulm's population was lowest in year 2014 at 336.
 
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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)