Overview
120
Total Population
64.8
Median age
40.83%
Female population %
144.9:100
Gender ratio (M:F)
65-69 years
Largest age group
150.0
Total dependency ratio
White
Largest racial group
Zero
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Buffalo Gap's population is old compared to the rest of the country:
- The median age in Buffalo Gap is 64.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Buffalo Gap's population under 18 was 10.83%, compared to the 22.51% nationwide.
- Buffalo Gap's elderly or the senior population (over 65 age) was 49.17% as compared to 16.04% nationwide.
- Of the total population in Buffalo Gap, 10.83% were under the age of 15, 5.00% aged 15 to 29, 35.00% aged 30 to 64, 49.17% aged 65 to 84, and 0.00% were 85 years of age and older.

Read more about Buffalo Gap, SD population by age ➔
Gender
There are 22 less females than males in Buffalo Gap:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 40.83% females and 59.17% males in Buffalo Gap, SD.
- The Buffalo Gap, SD gender ratio is 144.9:100 i.e. 144.9 men to 100 women (1.449).
- For male population, the largest age group is 80-84 years with a population of 20.
- For the female population, the largest age group is 60-64 years with a population of 13.

Read more about Buffalo Gap, SD population by gender ➔
Race / Ethnicity
Buffalo Gap's population is moderately diverse:
- Racial distribution of Buffalo Gap population: 98.33% are White, 0.83% are American Indian and Alaska Native and 0.83% are multiracial.
- Buffalo Gap's racial breakdown clearly shows that there is an absolute majority of White population in the town.
- By ethnicity, Zero is Hispanic or Latino (of any race), and 12 (100% of the total population) is Non-Hispanic.
- The largest racial group in Buffalo Gap is White with a population of 118 (98.33% of the total population).

Read more about Buffalo Gap, SD population by race ➔
Year by year
Buffalo Gap's population has already reached its peak and is showing a trend of decline:
- The peak population was 164 in the year 2004
- From 2000 to 2010, Buffalo Gap's population decreased by 33 (20.50%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Buffalo Gap's population increased by 1 (0.78%), 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, Buffalo Gap's population was lowest in year 2010 at 128.

Read more about Buffalo Gap, SD population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)