---
type: Jurisdiction
title: "Hamilton County, IN"
classification: county
fips: "18057"
state: "IN"
demographics:
  population: 365056
  population_under_18: 92736
  population_18_64: 221647
  population_65_plus: 50673
  median_household_income: 121530
  poverty_rate: 4.39
  homeownership_rate: 76.08
  unemployment_rate: 2.78
  median_home_value: 405500
  gini_index: 0.4333
  vacancy_rate: 5.18
  race_white: 292742
  race_black: 16360
  race_asian: 25107
  race_native: 341
  hispanic: 20577
  bachelors_plus: 207834
districts:
  - to: "us/states/in/districts/05"
    rel: in-district
    area_weight: 0.9999
  - to: "us/states/in/districts/senate/20"
    rel: in-district
    area_weight: 0.3418
  - to: "us/states/in/districts/senate/21"
    rel: in-district
    area_weight: 0.2593
  - to: "us/states/in/districts/senate/25"
    rel: in-district
    area_weight: 0.204
  - to: "us/states/in/districts/senate/31"
    rel: in-district
    area_weight: 0.1276
  - to: "us/states/in/districts/senate/29"
    rel: in-district
    area_weight: 0.0672
  - to: "us/states/in/districts/house/37"
    rel: in-district
    area_weight: 0.4251
  - to: "us/states/in/districts/house/24"
    rel: in-district
    area_weight: 0.2782
  - to: "us/states/in/districts/house/29"
    rel: in-district
    area_weight: 0.1239
  - to: "us/states/in/districts/house/32"
    rel: in-district
    area_weight: 0.0761
  - to: "us/states/in/districts/house/39"
    rel: in-district
    area_weight: 0.07
  - to: "us/states/in/districts/house/88"
    rel: in-district
    area_weight: 0.0265
sources:
  - field: demographics
    source: "Census ACS 2023"
  - field: districts
    source: "PostGIS area-intersection over Census TIGER 2024 boundaries"
confidence: official
tags: [jurisdiction, county, in]
timestamp: "2026-07-03"
---

# Hamilton County, IN

County jurisdiction — 1 officeholders mapped.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 365056 |
| Under 18 | 92736 |
| 18–64 | 221647 |
| 65+ | 50673 |
| Median household income | 121530 |
| Poverty rate | 4.39 |
| Homeownership rate | 76.08 |
| Unemployment rate | 2.78 |
| Median home value | 405500 |
| Gini index | 0.4333 |
| Vacancy rate | 5.18 |
| White | 292742 |
| Black | 16360 |
| Asian | 25107 |
| Native | 341 |
| Hispanic/Latino | 20577 |
| Bachelor's or higher | 207834 |

## Districts

- [IN-05](/us/states/in/districts/05.md) — 100% (congressional)
- [IN Senate District 20](/us/states/in/districts/senate/20.md) — 34% (state senate)
- [IN Senate District 21](/us/states/in/districts/senate/21.md) — 26% (state senate)
- [IN Senate District 25](/us/states/in/districts/senate/25.md) — 20% (state senate)
- [IN Senate District 31](/us/states/in/districts/senate/31.md) — 13% (state senate)
- [IN Senate District 29](/us/states/in/districts/senate/29.md) — 7% (state senate)
- [IN House District 37](/us/states/in/districts/house/37.md) — 43% (state house)
- [IN House District 24](/us/states/in/districts/house/24.md) — 28% (state house)
- [IN House District 29](/us/states/in/districts/house/29.md) — 12% (state house)
- [IN House District 32](/us/states/in/districts/house/32.md) — 8% (state house)
- [IN House District 39](/us/states/in/districts/house/39.md) — 7% (state house)
- [IN House District 88](/us/states/in/districts/house/88.md) — 3% (state house)

## Source

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