---
type: Jurisdiction
title: "Mahaska County, IA"
classification: county
fips: "19123"
state: "IA"
demographics:
  population: 22021
  population_under_18: 5213
  population_18_64: 12609
  population_65_plus: 4199
  median_household_income: 70940
  poverty_rate: 12.64
  homeownership_rate: 67.96
  unemployment_rate: 3.51
  median_home_value: 157800
  gini_index: 0.424
  vacancy_rate: 10.13
  race_white: 20310
  race_black: 293
  race_asian: 229
  race_native: 18
  hispanic: 550
  bachelors_plus: 4417
districts:
  - to: "us/states/ia/districts/01"
    rel: in-district
    area_weight: 0.9999
  - to: "us/states/ia/districts/senate/44"
    rel: in-district
    area_weight: 0.6414
  - to: "us/states/ia/districts/senate/19"
    rel: in-district
    area_weight: 0.3585
  - to: "us/states/ia/districts/house/88"
    rel: in-district
    area_weight: 0.6414
  - to: "us/states/ia/districts/house/37"
    rel: in-district
    area_weight: 0.3585
sources:
  - field: demographics
    source: "Census ACS 2023"
  - field: districts
    source: "PostGIS area-intersection over Census TIGER 2024 boundaries"
confidence: official
tags: [jurisdiction, county, ia]
timestamp: "2026-07-03"
---

# Mahaska County, IA

County jurisdiction — 1 officeholders mapped.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 22021 |
| Under 18 | 5213 |
| 18–64 | 12609 |
| 65+ | 4199 |
| Median household income | 70940 |
| Poverty rate | 12.64 |
| Homeownership rate | 67.96 |
| Unemployment rate | 3.51 |
| Median home value | 157800 |
| Gini index | 0.424 |
| Vacancy rate | 10.13 |
| White | 20310 |
| Black | 293 |
| Asian | 229 |
| Native | 18 |
| Hispanic/Latino | 550 |
| Bachelor's or higher | 4417 |

## Districts

- [IA-01](/us/states/ia/districts/01.md) — 100% (congressional)
- [IA Senate District 44](/us/states/ia/districts/senate/44.md) — 64% (state senate)
- [IA Senate District 19](/us/states/ia/districts/senate/19.md) — 36% (state senate)
- [IA House District 88](/us/states/ia/districts/house/88.md) — 64% (state house)
- [IA House District 37](/us/states/ia/districts/house/37.md) — 36% (state house)

## Source

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