---
type: Jurisdiction
title: "Delaware County, PA"
classification: county
fips: "42045"
state: "PA"
demographics:
  population: 579222
  population_under_18: 127583
  population_18_64: 350673
  population_65_plus: 100966
  median_household_income: 89546
  poverty_rate: 10.17
  homeownership_rate: 69.61
  unemployment_rate: 6.86
  median_home_value: 332200
  gini_index: 0.4884
  vacancy_rate: 5.56
  race_white: 366265
  race_black: 128315
  race_asian: 36677
  race_native: 417
  hispanic: 29222
  bachelors_plus: 238471
districts:
  - to: "us/states/pa/districts/05"
    rel: in-district
    area_weight: 0.9933
  - to: "us/states/pa/districts/06"
    rel: in-district
    area_weight: 0.0058
  - to: "us/states/pa/districts/senate/9"
    rel: in-district
    area_weight: 0.5036
  - to: "us/states/pa/districts/senate/26"
    rel: in-district
    area_weight: 0.2835
  - to: "us/states/pa/districts/senate/17"
    rel: in-district
    area_weight: 0.1247
  - to: "us/states/pa/districts/senate/8"
    rel: in-district
    area_weight: 0.0878
  - to: "us/states/pa/districts/house/168"
    rel: in-district
    area_weight: 0.2261
  - to: "us/states/pa/districts/house/160"
    rel: in-district
    area_weight: 0.206
  - to: "us/states/pa/districts/house/165"
    rel: in-district
    area_weight: 0.1138
  - to: "us/states/pa/districts/house/161"
    rel: in-district
    area_weight: 0.1093
  - to: "us/states/pa/districts/house/159"
    rel: in-district
    area_weight: 0.0969
  - to: "us/states/pa/districts/house/166"
    rel: in-district
    area_weight: 0.0707
  - to: "us/states/pa/districts/house/162"
    rel: in-district
    area_weight: 0.0541
  - to: "us/states/pa/districts/house/185"
    rel: in-district
    area_weight: 0.0473
  - to: "us/states/pa/districts/house/163"
    rel: in-district
    area_weight: 0.0383
  - to: "us/states/pa/districts/house/164"
    rel: in-district
    area_weight: 0.0243
  - to: "us/states/pa/districts/house/191"
    rel: in-district
    area_weight: 0.0129
sources:
  - field: demographics
    source: "Census ACS 2023"
  - field: districts
    source: "PostGIS area-intersection over Census TIGER 2024 boundaries"
confidence: official
tags: [jurisdiction, county, pa]
timestamp: "2026-07-03"
---

# Delaware County, PA

County jurisdiction — 1 officeholders mapped.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 579222 |
| Under 18 | 127583 |
| 18–64 | 350673 |
| 65+ | 100966 |
| Median household income | 89546 |
| Poverty rate | 10.17 |
| Homeownership rate | 69.61 |
| Unemployment rate | 6.86 |
| Median home value | 332200 |
| Gini index | 0.4884 |
| Vacancy rate | 5.56 |
| White | 366265 |
| Black | 128315 |
| Asian | 36677 |
| Native | 417 |
| Hispanic/Latino | 29222 |
| Bachelor's or higher | 238471 |

## Districts

- [PA-05](/us/states/pa/districts/05.md) — 99% (congressional)
- [PA-06](/us/states/pa/districts/06.md) — 1% (congressional)
- [PA Senate District 9](/us/states/pa/districts/senate/9.md) — 50% (state senate)
- [PA Senate District 26](/us/states/pa/districts/senate/26.md) — 28% (state senate)
- [PA Senate District 17](/us/states/pa/districts/senate/17.md) — 12% (state senate)
- [PA Senate District 8](/us/states/pa/districts/senate/8.md) — 9% (state senate)
- [PA House District 168](/us/states/pa/districts/house/168.md) — 23% (state house)
- [PA House District 160](/us/states/pa/districts/house/160.md) — 21% (state house)
- [PA House District 165](/us/states/pa/districts/house/165.md) — 11% (state house)
- [PA House District 161](/us/states/pa/districts/house/161.md) — 11% (state house)
- [PA House District 159](/us/states/pa/districts/house/159.md) — 10% (state house)
- [PA House District 166](/us/states/pa/districts/house/166.md) — 7% (state house)
- [PA House District 162](/us/states/pa/districts/house/162.md) — 5% (state house)
- [PA House District 185](/us/states/pa/districts/house/185.md) — 5% (state house)
- [PA House District 163](/us/states/pa/districts/house/163.md) — 4% (state house)
- [PA House District 164](/us/states/pa/districts/house/164.md) — 2% (state house)
- [PA House District 191](/us/states/pa/districts/house/191.md) — 1% (state house)

## Source

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