---
type: Jurisdiction
title: "CA-31"
classification: congressional-district
state: "CA"
district: "CA-31"
demographics:
  population: 724696
  population_under_18: 167016
  population_18_64: 242721
  population_65_plus: 314959
  median_household_income: 90291
  poverty_rate: 11.71
  homeownership_rate: 58.57
  unemployment_rate: 4.94
  median_home_value: 756100
  gini_index: 0.4249
  vacancy_rate: 4.21
  race_white: 150006
  race_black: 18372
  race_asian: 150636
  hispanic: 437481
  bachelors_plus: 135667
sources:
  - field: demographics
    source: "Census ACS 2023"
confidence: official
tags: [jurisdiction, congressional-district, ca]
timestamp: "2026-07-03"
---

# CA-31

Congressional district CA-31.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 724696 |
| Under 18 | 167016 |
| 18–64 | 242721 |
| 65+ | 314959 |
| Median household income | 90291 |
| Poverty rate | 11.71 |
| Homeownership rate | 58.57 |
| Unemployment rate | 4.94 |
| Median home value | 756100 |
| Gini index | 0.4249 |
| Vacancy rate | 4.21 |
| White | 150006 |
| Black | 18372 |
| Asian | 150636 |
| Hispanic/Latino | 437481 |
| Bachelor's or higher | 135667 |

## Source

- demographics: Census ACS 2023