---
type: Jurisdiction
title: "Miami County, OH"
classification: county
fips: "39109"
state: "OH"
demographics:
  population: 110296
  population_under_18: 25243
  population_18_64: 63671
  population_65_plus: 21382
  median_household_income: 76817
  poverty_rate: 9.37
  homeownership_rate: 73.43
  unemployment_rate: 3.13
  median_home_value: 229100
  gini_index: 0.4147
  vacancy_rate: 4.91
  race_white: 99677
  race_black: 2167
  race_asian: 2062
  race_native: 70
  hispanic: 2366
  bachelors_plus: 28861
districts:
  - to: "us/states/oh/districts/15"
    rel: in-district
    area_weight: 0.7596
  - to: "us/states/oh/districts/08"
    rel: in-district
    area_weight: 0.24
  - to: "us/states/oh/districts/senate/5"
    rel: in-district
    area_weight: 0.9999
  - to: "us/states/oh/districts/house/80"
    rel: in-district
    area_weight: 0.9999
sources:
  - field: demographics
    source: "Census ACS 2023"
  - field: districts
    source: "PostGIS area-intersection over Census TIGER 2024 boundaries"
confidence: official
tags: [jurisdiction, county, oh]
timestamp: "2026-07-03"
---

# Miami County, OH

County jurisdiction — 2 officeholders mapped.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 110296 |
| Under 18 | 25243 |
| 18–64 | 63671 |
| 65+ | 21382 |
| Median household income | 76817 |
| Poverty rate | 9.37 |
| Homeownership rate | 73.43 |
| Unemployment rate | 3.13 |
| Median home value | 229100 |
| Gini index | 0.4147 |
| Vacancy rate | 4.91 |
| White | 99677 |
| Black | 2167 |
| Asian | 2062 |
| Native | 70 |
| Hispanic/Latino | 2366 |
| Bachelor's or higher | 28861 |

## Districts

- [OH-15](/us/states/oh/districts/15.md) — 76% (congressional)
- [OH-08](/us/states/oh/districts/08.md) — 24% (congressional)
- [OH Senate District 5](/us/states/oh/districts/senate/5.md) — 100% (state senate)
- [OH House District 80](/us/states/oh/districts/house/80.md) — 100% (state house)

## Source

- demographics: Census ACS 2023
- districts: PostGIS area-intersection over Census TIGER 2024 boundaries