Overview
          524
                  Total Population
                47.0
                  Median age
                50.76%
                  Female population %
                97:100
                  Gender ratio (M:F)
                55-59 years
                  Largest age group
                43.6
                  Total dependency ratio
                White
                  Largest racial group
                1
                  Hispanic population
                Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Summit's population is old compared to the rest of the country:
- The median age in Summit is 47.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
 - Summit's population under 18 was 19.27%, compared to the 22.51% nationwide.
 - Summit's elderly or the senior population (over 65 age) was 17.75% as compared to 16.04% nationwide.
 - Of the total population in Summit, 12.60% were under the age of 15, 22.14% aged 15 to 29, 47.52% aged 30 to 64, 17.75% aged 65 to 84, and 0.00% were 85 years of age and older.
 
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Gender
There are 8 more females than males in Summit:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.76% females and 49.24% males in Summit, SC.
 - The Summit, SC gender ratio is 97:100 i.e. 97 men to 100 women (0.970).
 - For male population, the largest age group is 60-64 years with a population of 48.
 - For the female population, the largest age group is 55-59 years with a population of 48.
 
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Race / Ethnicity
Summit's population is moderately diverse:
- Racial distribution of Summit population: 95.04% are White, 4.01% are Black or African American and 0.95% are multiracial.
 - Summit's racial breakdown clearly shows that there is an absolute majority of White population in the town.
 - By ethnicity, 1 is Hispanic or Latino (of any race), and 523 (99.81% of the total population) is Non-Hispanic.
 - The largest racial group in Summit is White with a population of 498 (95.04% of the total population).
 
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Year by year
Summit's population has already reached its peak and is showing a trend of decline:
- The peak population was 477 in the year 2019
 - From 2000 to 2010, Summit's population increased by 169 (70.42%), as compared to the national growth of 9.63%.
 - From 2010 to 2020, Summit's population increased by 14 (3.42%), 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, Summit's population was lowest in year 2000 at 240.
 
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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)