---
type: Jurisdiction
title: "Merrimack County, NH"
classification: county
fips: "33013"
state: "NH"
demographics:
  population: 155967
  population_under_18: 28657
  population_18_64: 96249
  population_65_plus: 31061
  median_household_income: 97004
  poverty_rate: 7.64
  homeownership_rate: 73.49
  unemployment_rate: 3.12
  median_home_value: 367600
  gini_index: 0.44
  vacancy_rate: 8.42
  race_white: 141669
  race_black: 2533
  race_asian: 2362
  race_native: 259
  hispanic: 4277
  bachelors_plus: 62436
sources:
  - field: demographics
    source: Census ACS 2023
confidence: official
tags: [jurisdiction, county, nh]
timestamp: "2026-07-03"
---

# Merrimack County, NH

County jurisdiction — 2 officeholders mapped.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 155967 |
| Under 18 | 28657 |
| 18–64 | 96249 |
| 65+ | 31061 |
| Median household income | 97004 |
| Poverty rate | 7.64 |
| Homeownership rate | 73.49 |
| Unemployment rate | 3.12 |
| Median home value | 367600 |
| Gini index | 0.44 |
| Vacancy rate | 8.42 |
| White | 141669 |
| Black | 2533 |
| Asian | 2362 |
| Native | 259 |
| Hispanic/Latino | 4277 |
| Bachelor's or higher | 62436 |

## Source

- demographics: Census ACS 2023