Miami County, IN Population

The population of Miami County is 36,100, according to the U.S. Census Bureau ACS estimates.
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Updated Jun 23, 2023
Overview
36,100
Total Population
40.5
Median age
45.95%
Female population %
117.6:100
Gender ratio (M:F)
50-54 years
Largest age group
52.1
Total dependency ratio
White
Largest racial group
1,287
Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

Age

Miami County's population is old compared to the rest of the country:

  • The median age in Miami County is 40.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
  • Miami County's population under 18 was 21.20%, compared to the 22.51% nationwide.
  • Miami County's elderly or the senior population (over 65 age) was 17.17% as compared to 16.04% nationwide.
  • Of the total population in Miami County, 17.10% were under the age of 15, 19.31% aged 15 to 29, 46.41% aged 30 to 64, 15.47% aged 65 to 84, and 1.71% were 85 years of age and older.
The graph shows Miami County's population by age group, with age group on x-axis and the respective age group's percent of the total population on y-axis
Miami County, IN population by age group. The largest age group was 50-54 years with a poulation of 2,588 (7.17% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Miami County, IN population by age ➔

Gender

There are 2,926 less females than males in Miami County:

  • The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 45.95% females and 54.05% males in Miami County, IN.
  • The Miami County, IN gender ratio is 117.6:100 i.e. 117.6 men to 100 women (1.176).
  • For male population, the largest age group is 35-39 years with a population of 1,508.
  • For the female population, the largest age group is 50-54 years with a population of 1,246.
The grouped bar chart shows Miami County, IN population by age and gender across 18 age groups, defined between the age of 0 and 85 and above. The female population is shown in pink color bar and male population is shown in blue color bar. Age group is plotted on x axis and population on y axis.
California population by gender and age. Largest age group (population): Male # 35-39 years (1,508) | Female # 50-54 years (1,246). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Miami County, IN population by gender ➔

Race / Ethnicity

Miami County's population has become increasingly diverse:

  • Racial distribution of Miami County population: 88.62% are White, 4.43% are Black or African American, 0.30% are American Indian and Alaska Native, 0.65% are Asian, 0.02% are Native Hawaiian and other Pacific Islander, 1.50% are some other race and 4.47% are multiracial.
  • Miami County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
  • By ethnicity, 1,287 is Hispanic or Latino (of any race), and 34,813 (96.43% of the total population) is Non-Hispanic.
  • The largest racial group in Miami County is White with a population of 31,993 (88.62% of the total population).
The bar chart shows Miami County, IN population by race, in percentage. The numbers shown are based on the American Community Survey respondents self identified race. The Hispanic and Latino population is spread across the races identified and not as a separate race category.
Miami County, IN population by race. The largest racial group in Miami County is White with a population of 31,993 (88.62% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Miami County, IN population by race ➔

Year by year

Miami County's population has already reached its peak and is showing a trend of decline:

  • The peak population was 37,008 in the year 2006
  • From 2000 to 2010, Miami County's population increased by 677 (1.87%), as compared to the national growth of 9.63%.
  • From 2010 to 2020, Miami County's population decreased by 897 (2.44%), 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, Miami County's population was lowest in year 2019 at 35,488.
The graph shows Miami County's population from 2000 to 2022, with years on x-axis and population on y-axis
Miami County's population from 2000 to 2022. The estimated population at the end of 2022 was 35,674. Source: U.S. Census Bureau (Population Estimates Program)

Read more about Miami County, IN population by year ➔

References

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Miami County, IN Demographics

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