---
type: Jurisdiction
title: "Polk County, IA"
classification: county
fips: "19153"
state: "IA"
demographics:
  population: 503175
  population_under_18: 122594
  population_18_64: 310306
  population_65_plus: 70275
  median_household_income: 83576
  poverty_rate: 10.31
  homeownership_rate: 67.35
  unemployment_rate: 4.35
  median_home_value: 262100
  gini_index: 0.4372
  vacancy_rate: 6.01
  race_white: 381269
  race_black: 37401
  race_asian: 25053
  race_native: 1562
  hispanic: 52317
  bachelors_plus: 179585
districts:
  - to: "us/states/ia/districts/03"
    rel: in-district
    area_weight: 0.9985
  - to: "us/states/ia/districts/senate/23"
    rel: in-district
    area_weight: 0.5842
  - to: "us/states/ia/districts/senate/20"
    rel: in-district
    area_weight: 0.1
  - to: "us/states/ia/districts/senate/22"
    rel: in-district
    area_weight: 0.0818
  - to: "us/states/ia/districts/senate/15"
    rel: in-district
    area_weight: 0.0671
  - to: "us/states/ia/districts/senate/16"
    rel: in-district
    area_weight: 0.0565
  - to: "us/states/ia/districts/senate/21"
    rel: in-district
    area_weight: 0.0518
  - to: "us/states/ia/districts/senate/18"
    rel: in-district
    area_weight: 0.0341
  - to: "us/states/ia/districts/senate/17"
    rel: in-district
    area_weight: 0.0245
  - to: "us/states/ia/districts/house/45"
    rel: in-district
    area_weight: 0.5653
  - to: "us/states/ia/districts/house/40"
    rel: in-district
    area_weight: 0.0626
  - to: "us/states/ia/districts/house/43"
    rel: in-district
    area_weight: 0.0559
  - to: "us/states/ia/districts/house/29"
    rel: in-district
    area_weight: 0.0395
  - to: "us/states/ia/districts/house/31"
    rel: in-district
    area_weight: 0.0389
  - to: "us/states/ia/districts/house/39"
    rel: in-district
    area_weight: 0.0373
  - to: "us/states/ia/districts/house/30"
    rel: in-district
    area_weight: 0.0276
  - to: "us/states/ia/districts/house/42"
    rel: in-district
    area_weight: 0.0267
  - to: "us/states/ia/districts/house/44"
    rel: in-district
    area_weight: 0.026
  - to: "us/states/ia/districts/house/41"
    rel: in-district
    area_weight: 0.025
  - to: "us/states/ia/districts/house/36"
    rel: in-district
    area_weight: 0.0209
  - to: "us/states/ia/districts/house/46"
    rel: in-district
    area_weight: 0.0189
  - to: "us/states/ia/districts/house/32"
    rel: in-district
    area_weight: 0.0176
  - to: "us/states/ia/districts/house/35"
    rel: in-district
    area_weight: 0.0132
  - to: "us/states/ia/districts/house/33"
    rel: in-district
    area_weight: 0.013
  - to: "us/states/ia/districts/house/34"
    rel: in-district
    area_weight: 0.0114
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"
---

# Polk County, IA

County jurisdiction — 10 officeholders mapped.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 503175 |
| Under 18 | 122594 |
| 18–64 | 310306 |
| 65+ | 70275 |
| Median household income | 83576 |
| Poverty rate | 10.31 |
| Homeownership rate | 67.35 |
| Unemployment rate | 4.35 |
| Median home value | 262100 |
| Gini index | 0.4372 |
| Vacancy rate | 6.01 |
| White | 381269 |
| Black | 37401 |
| Asian | 25053 |
| Native | 1562 |
| Hispanic/Latino | 52317 |
| Bachelor's or higher | 179585 |

## Districts

- [IA-03](/us/states/ia/districts/03.md) — 100% (congressional)
- [IA Senate District 23](/us/states/ia/districts/senate/23.md) — 58% (state senate)
- [IA Senate District 20](/us/states/ia/districts/senate/20.md) — 10% (state senate)
- [IA Senate District 22](/us/states/ia/districts/senate/22.md) — 8% (state senate)
- [IA Senate District 15](/us/states/ia/districts/senate/15.md) — 7% (state senate)
- [IA Senate District 16](/us/states/ia/districts/senate/16.md) — 6% (state senate)
- [IA Senate District 21](/us/states/ia/districts/senate/21.md) — 5% (state senate)
- [IA Senate District 18](/us/states/ia/districts/senate/18.md) — 3% (state senate)
- [IA Senate District 17](/us/states/ia/districts/senate/17.md) — 2% (state senate)
- [IA House District 45](/us/states/ia/districts/house/45.md) — 57% (state house)
- [IA House District 40](/us/states/ia/districts/house/40.md) — 6% (state house)
- [IA House District 43](/us/states/ia/districts/house/43.md) — 6% (state house)
- [IA House District 29](/us/states/ia/districts/house/29.md) — 4% (state house)
- [IA House District 31](/us/states/ia/districts/house/31.md) — 4% (state house)
- [IA House District 39](/us/states/ia/districts/house/39.md) — 4% (state house)
- [IA House District 30](/us/states/ia/districts/house/30.md) — 3% (state house)
- [IA House District 42](/us/states/ia/districts/house/42.md) — 3% (state house)
- [IA House District 44](/us/states/ia/districts/house/44.md) — 3% (state house)
- [IA House District 41](/us/states/ia/districts/house/41.md) — 2% (state house)
- [IA House District 36](/us/states/ia/districts/house/36.md) — 2% (state house)
- [IA House District 46](/us/states/ia/districts/house/46.md) — 2% (state house)
- [IA House District 32](/us/states/ia/districts/house/32.md) — 2% (state house)
- [IA House District 35](/us/states/ia/districts/house/35.md) — 1% (state house)
- [IA House District 33](/us/states/ia/districts/house/33.md) — 1% (state house)
- [IA House District 34](/us/states/ia/districts/house/34.md) — 1% (state house)

## Source

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