---
type: Jurisdiction
title: "Arapahoe County, CO"
classification: county
fips: "08005"
state: "CO"
demographics:
  population: 659844
  population_under_18: 149062
  population_18_64: 415649
  population_65_plus: 95133
  median_household_income: 101087
  poverty_rate: 8.64
  homeownership_rate: 64.74
  unemployment_rate: 4.97
  median_home_value: 561200
  gini_index: 0.4533
  vacancy_rate: 4.5
  race_white: 390363
  race_black: 71991
  race_asian: 40139
  race_native: 6769
  hispanic: 143439
  bachelors_plus: 294677
districts:
  - to: "us/states/co/districts/04"
    rel: in-district
    area_weight: 0.7584
  - to: "us/states/co/districts/06"
    rel: in-district
    area_weight: 0.2389
  - to: "us/states/co/districts/senate/27"
    rel: in-district
    area_weight: 0.2137
  - to: "us/states/co/districts/senate/28"
    rel: in-district
    area_weight: 0.1205
  - to: "us/states/co/districts/senate/26"
    rel: in-district
    area_weight: 0.0355
  - to: "us/states/co/districts/senate/16"
    rel: in-district
    area_weight: 0.0348
  - to: "us/states/co/districts/senate/29"
    rel: in-district
    area_weight: 0.0291
  - to: "us/states/co/districts/house/56"
    rel: in-district
    area_weight: 0.7391
  - to: "us/states/co/districts/house/36"
    rel: in-district
    area_weight: 0.077
  - to: "us/states/co/districts/house/37"
    rel: in-district
    area_weight: 0.0428
  - to: "us/states/co/districts/house/61"
    rel: in-district
    area_weight: 0.0306
  - to: "us/states/co/districts/house/38"
    rel: in-district
    area_weight: 0.0274
  - to: "us/states/co/districts/house/40"
    rel: in-district
    area_weight: 0.0258
  - to: "us/states/co/districts/house/3"
    rel: in-district
    area_weight: 0.0196
  - to: "us/states/co/districts/house/41"
    rel: in-district
    area_weight: 0.0168
  - to: "us/states/co/districts/house/42"
    rel: in-district
    area_weight: 0.0161
sources:
  - field: demographics
    source: "Census ACS 2023"
  - field: districts
    source: "PostGIS area-intersection over Census TIGER 2024 boundaries"
confidence: official
tags: [jurisdiction, county, co]
timestamp: "2026-07-03"
---

# Arapahoe County, CO

County jurisdiction — 3 officeholders mapped.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 659844 |
| Under 18 | 149062 |
| 18–64 | 415649 |
| 65+ | 95133 |
| Median household income | 101087 |
| Poverty rate | 8.64 |
| Homeownership rate | 64.74 |
| Unemployment rate | 4.97 |
| Median home value | 561200 |
| Gini index | 0.4533 |
| Vacancy rate | 4.5 |
| White | 390363 |
| Black | 71991 |
| Asian | 40139 |
| Native | 6769 |
| Hispanic/Latino | 143439 |
| Bachelor's or higher | 294677 |

## Districts

- [CO-04](/us/states/co/districts/04.md) — 76% (congressional)
- [CO-06](/us/states/co/districts/06.md) — 24% (congressional)
- [CO Senate District 27](/us/states/co/districts/senate/27.md) — 21% (state senate)
- [CO Senate District 28](/us/states/co/districts/senate/28.md) — 12% (state senate)
- [CO Senate District 26](/us/states/co/districts/senate/26.md) — 4% (state senate)
- [CO Senate District 16](/us/states/co/districts/senate/16.md) — 3% (state senate)
- [CO Senate District 29](/us/states/co/districts/senate/29.md) — 3% (state senate)
- [CO House District 56](/us/states/co/districts/house/56.md) — 74% (state house)
- [CO House District 36](/us/states/co/districts/house/36.md) — 8% (state house)
- [CO House District 37](/us/states/co/districts/house/37.md) — 4% (state house)
- [CO House District 61](/us/states/co/districts/house/61.md) — 3% (state house)
- [CO House District 38](/us/states/co/districts/house/38.md) — 3% (state house)
- [CO House District 40](/us/states/co/districts/house/40.md) — 3% (state house)
- [CO House District 3](/us/states/co/districts/house/3.md) — 2% (state house)
- [CO House District 41](/us/states/co/districts/house/41.md) — 2% (state house)
- [CO House District 42](/us/states/co/districts/house/42.md) — 2% (state house)

## Source

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