Miami County, Indiana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 45th-largest in Indiana
The population of Miami County, Indiana is 35,772 as of the 2023 American Community Survey, making it the 45th-largest county in Indiana. The median household income is $61,130, the median home value is $118,000, and the median age is 41.0.
The population of Miami County has declined 3.3% since 2010 (36,810 → 35,613), a -0.24% annualized rate.
35,772
Population
-0.24%
Annual growth
96
People / sq mi
$61,130
Median Income
$118,000
Median Home Value
Miami County covers 374 sq mi of land at 95.7 people per square mile.
About Miami County, IN
Miami County is a county in Indiana with a population of 35,772. It ranks #45 among counties in Indiana by population. The median age is 41.0, older than the national median. The population is 54.2% male and 45.8% female.
The median household income in Miami County is $61,130, below the US median of $74,580. 11.3% of residents live below the federal poverty level. Home values sit at a median of $118,000, with monthly rent averaging $794. The homeownership rate of 75.0% is higher than the national rate of 64.8%.
Educational attainment in Miami County reflects 16.1% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 4.5% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 25.1 minutes each way.
Miami County Population History (2010-2024)
The county of Miami County had a population of 36,810 in 2010 and 35,613 in 2024, a -3.3% growth over 14 years. The peak was 36,810 in 2010. Average annual growth rate: -0.23%.
35,613
Population (2024)
36,810
Population (2010)
36,810
Peak (2010)
-0.23%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 36,810 |
| 2011 | 36,658 |
| 2012 | 36,547 |
| 2013 | 36,191 |
| 2014 | 36,088 |
| 2015 | 36,023 |
| 2016 | 36,047 |
| 2017 | 35,903 |
| 2018 | 35,652 |
| 2019 | 35,488 |
| 2020 | 35,906 |
| 2021 | 36,003 |
| 2022 | 35,562 |
| 2023 | 35,477 |
| 2024 | 35,613 |
Race & Ethnicity
| White | 88.9% |
| Black or African American | 3.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.6% |
| Two or More Races | 0.2% |
Age & Sex
41.0
Median Age
45.8%
Female
54.2%
Male
17.9%
Age 65+
Age Distribution
Children (under 15): 16.8% · Seniors (65+): 17.9%
Income & Poverty
| Median household income | $61,130$-8,921 vs state |
| Mean household income | $74,702 |
| Per-capita income | $29,185 |
| Poverty rate | 11.3%+2.9% vs state |
| Unemployment rate | 3.6% |
| Employment-to-population | 51.9% |
Top Industries by Employment
The largest employment sector in Miami County is manufacturing, accounting for 23.9% of workers.
How residents commute
0.4%
Drive alone
2.0%
Carpool
83.1%
Public transit
4.5%
Work from home
25.1 min
Avg commute
Housing
$118,000$-83,600 vs state
Median home value
$794
Median rent
75.0%
Homeownership rate
14,927
Total housing units
88.9%
Occupied
11.1%
Vacant
25.0%
Renter-occupied
Social & access
92.5%
With health insurance
92.8%
With broadband internet
18.0%
Foreign-born
8.7%
Veterans (18+)
16.8%
With a disability
96.4%
Speak language other than English at home
Education
87.5%
High School+
16.1%
Bachelor's+
Largest cities in Indiana
Other counties in Indiana
Part of Indiana
Metro areas in Indiana
County rankings
Frequently Asked Questions
Miami County, Indiana has a population of 35,772 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 45th-largest county in Indiana. Population density is 96 people per square mile.
The population of Miami County has declined 3.3% since 2010 (36,810 → 35,613), a -0.24% annualized rate.
The median household income in Miami County, Indiana is $61,130, with mean (average) household income of $74,702 and per-capita income of $29,185. 11.3% of residents live below the federal poverty level.
In Miami County, the largest racial and ethnic groups are White (88.9%), Black or African American (3.7%), Hispanic or Latino (1.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Miami County, Indiana is 41.0 years. Residents are 45.8% female and 54.2% male.
The median home value in Miami County is $118,000 and median monthly rent is $794. 75.0% of occupied housing units are owner-occupied. The county has 14,927 total housing units, 11.1% of which are vacant.
The largest employment sector in Miami County, Indiana is manufacturing, employing 23.9% of workers. The unemployment rate is 3.6%.
Indianapolis is among the largest cities associated with Miami County, Indiana, with a population of 882,043.
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Full rankings of Indiana counties
Statewide data for Indiana
Population, race, income, age, and trends across Indiana
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.