---
type: Jurisdiction
title: "Middlesex County, NJ"
classification: county
fips: "34023"
state: "NJ"
demographics:
  population: 871290
  population_under_18: 187080
  population_18_64: 543652
  population_65_plus: 140558
  median_household_income: 111549
  poverty_rate: 8.59
  homeownership_rate: 63.65
  unemployment_rate: 6.69
  median_home_value: 462900
  gini_index: 0.4371
  vacancy_rate: 3.21
  race_white: 356769
  race_black: 90902
  race_asian: 222566
  race_native: 9028
  hispanic: 205792
  bachelors_plus: 391188
sources:
  - field: demographics
    source: Census ACS 2023
confidence: official
tags: [jurisdiction, county, nj]
timestamp: "2026-07-03"
---

# Middlesex County, NJ

County jurisdiction — 3 officeholders mapped.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 871290 |
| Under 18 | 187080 |
| 18–64 | 543652 |
| 65+ | 140558 |
| Median household income | 111549 |
| Poverty rate | 8.59 |
| Homeownership rate | 63.65 |
| Unemployment rate | 6.69 |
| Median home value | 462900 |
| Gini index | 0.4371 |
| Vacancy rate | 3.21 |
| White | 356769 |
| Black | 90902 |
| Asian | 222566 |
| Native | 9028 |
| Hispanic/Latino | 205792 |
| Bachelor's or higher | 391188 |

## Source

- demographics: Census ACS 2023