Overview
1,167
Total Population
40.6
Median age
49.61%
Female population %
101.6:100
Gender ratio (M:F)
55-59 years
Largest age group
66.2
Total dependency ratio
White
Largest racial group
32
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Jefferson town's population is old compared to the rest of the country:
- The median age in Jefferson town is 40.6, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Jefferson town's population under 18 was 27.16%, compared to the 22.51% nationwide.
- Jefferson town's elderly or the senior population (over 65 age) was 17.99% as compared to 16.04% nationwide.
- Of the total population in Jefferson town, 21.85% were under the age of 15, 14.14% aged 15 to 29, 46.02% aged 30 to 64, 16.62% aged 65 to 84, and 1.37% were 85 years of age and older.

Read more about Jefferson Town, Green County, Wisconsin population by age ➔
Gender
There are 9 less females than males in Jefferson town:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.61% females and 50.39% males in Jefferson Town, Green County, Wisconsin.
- The Jefferson Town, Green County, Wisconsin gender ratio is 101.6:100 i.e. 101.6 men to 100 women (1.016).
- For male population, the largest age group is 55-59 years with a population of 62.
- For the female population, the largest age group is 55-59 years with a population of 67.

Read more about Jefferson Town, Green County, Wisconsin population by gender ➔
Race / Ethnicity
Jefferson town's population is non diverse:
- Racial distribution of Jefferson town population: 99.66% are White and 0.34% are multiracial.
- Jefferson town's racial breakdown clearly shows that there is an absolute majority of White population in the town.
- By ethnicity, 32 is Hispanic or Latino (of any race), and 1,135 (97.26% of the total population) is Non-Hispanic.
- The largest racial group in Jefferson town is White with a population of 1,163 (99.66% of the total population).

Read more about Jefferson Town, Green County, Wisconsin population by race ➔
Year by year
Jefferson town's population has already reached its peak and is showing a trend of decline:
- The peak population was 1,239 in the year 2009
- From 2000 to 2010, Jefferson town's population increased by 19 (1.59%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Jefferson town's population decreased by 43 (3.55%), 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, Jefferson town's population was lowest in year 2020 at 1,168.

Read more about Jefferson Town, Green County, Wisconsin 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)