Health Profile of Merrimack County, New Hampshire

Merrimack County Health Score

The Map AI Health Index is a score that reflects local life expectancy, disease rates, healthcare access, and physical environment to help you quickly compare the overall health and well-being of different areas.

  • A
    Merrimack County Above average
    Among the top 3 healthiest counties in New Hampshire

Source: Map AI Methodology

Merrimack County
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Health grade

General Health Overview

See health data visualized

Metric Merrimack County New Hampshire Avg US Average
Life Expectancy (years) 79.5 80.2 78.3
Uninsured Population (%) 5.1% 5.3% 8.4%
Self-Rated Poor Health 11.4% 12.6% 16.3%

Life expectancy in Merrimack County is 79.5 years, about 0.7 years shorter than the New Hampshire average of 80.2 years. The uninsured rate is 5.1%, lower than the New Hampshire average of 5.3%. Self-rated poor health is reported by 11.4% of residents, lower than the New Hampshire average of 12.6%.

Population by Age

Older residents

60,689 residents in Merrimack County are age 50 or older.

  • 85+ 3,136 1,037 men · 2,099 women
  • 75–84 7,919 3,402 men · 4,518 women
  • 65–74 15,933 7,592 men · 8,341 women
  • 50–64 33,701 16,679 men · 17,022 women

Younger residents

27,969 residents in Merrimack County are age 17 or younger.

  • 12–17 8,951 4,601 boys · 4,350 girls
  • 7–12 8,418 4,237 boys · 4,181 girls
  • 3–7 6,231 3,148 boys · 3,083 girls
  • 0–3 4,369 2,280 boys · 2,089 girls
Beyond life expectancy

About 6,738 residents in Merrimack County (4.3% of the population) are older than the area's life expectancy of 79.5 years.

79.5 yrs
Age 0 Age 100

The highlighted slice of the age axis is the share of residents older than the life-expectancy mark.

Disease Prevalence

Disease / Condition Merrimack County New Hampshire Avg US Average
Diabetes 7.8% 9.0% 11.3%
Cancer 6.8% 7.1% 6.9%
Heart Diseases 5.3% 6.2% 7.1%
Adult Obesity 28.9% 31.3% 34.3%

On average, diseases in Merrimack County are about the same as in New Hampshire.

Health Behaviors

Behavior Merrimack County New Hampshire Avg US Average
Smokers 15.4% 16.0% 19.0%
Binge Drinking 18.2% 17.4% 16.5%
Sedentary Lifestyle 17.4% 20.1% 25.1%

On average, health behaviors in Merrimack County are about the same as in New Hampshire.

Assuming each smoker smokes 10 cigarettes a day, that's about 195,487 cigarettes a day, 5.9 million a month, or 71.4 million a year! At 11 minutes* of life lost per cigarette, that's about 2.2 million minutes a day and 784.9 million a year lost to smoking overall - and since life expectancy in Merrimack County is 79.5 years, that's roughly equivalent to 0.05 lifetimes a day, or 19 lifetimes a year.

* Source: Shaw M, Mitchell R, Dorling D. "Time for a smoke? One cigarette reduces your life by 11 minutes." BMJ. 2000;320:53.

Illustrative only. This is not an estimate of how many people actually die from smoking each day or year - it's a rough, order-of-magnitude comparison meant to help grasp the scale of smoking in this area. We take no responsibility for any decisions made based on this figure.

Air Quality

Metric Merrimack County New Hampshire Avg US Average
Air Pollution (μg/m³) 4.62 4.69 6.09

With an annual average of 4.6 µg/m³ of fine particulate matter (PM2.5), air quality in Merrimack County is very good — well within WHO health guidelines, with minimal health risk from air pollution.

Merrimack County, NH Health Compared With Nearby Counties

Merrimack County, NH is the 2nd largest of the 6 counties compared here, 155,964 residents against a local median of 92,112. Merrimack County, NH sits close to the middle of its own neighbourhood. No measure below is more than 15% off the local median, so the choice between these counties turns on things this data does not capture.

The largest of those small differences is obesity, 10% below the local median at 28.9% against 31.9%. Merrimack County, NH has the 2nd lowest obesity of the 6 areas compared here.

Area Population Life expectancy Uninsured Obesity
Merrimack County, NH 155,964 79.5 yrs #5/6 5.1% #1/6 28.9% #2/6
Belknap County, NH 64,647 80.2 yrs 5.9% 34.3%
Hillsborough County, NH 426,152 79.1 yrs 5.5% 30.3%
Sullivan County, NH 43,677 80.0 yrs 6.0% 33.7%
Strafford County, NH 132,534 79.5 yrs 5.2% 28.8%
Grafton County, NH 92,112 81.7 yrs 5.4% 31.9%

Conclusion

Considering all these factors, Merrimack County, New Hampshire has an overall health index grade of A, making it somewhat better than New Hampshire, and notably better than the country as a whole.

Frequently Asked Questions

Common questions about health in Merrimack County, New Hampshire.

What is the health grade for Merrimack County, New Hampshire?

Merrimack County, New Hampshire has a Map AI Health Index grade of A, based on life expectancy, disease rates, healthcare access, and the physical environment; an A grade means residents are much healthier than the U.S. average.

Is Merrimack County, New Hampshire one of the healthiest counties in New Hampshire?

Merrimack County ranks 2nd healthiest out of 10 counties in New Hampshire by the Map AI Health Index, which measures life expectancy, disease rates, healthcare access, and the physical environment.

What is the average lifespan in Merrimack County, New Hampshire?

People in Merrimack County, New Hampshire can expect to live 79.5 years on average, 0.7 years shorter than the New Hampshire average of 80.2.

What is the uninsured rate in Merrimack County, New Hampshire?

5.1% of residents in Merrimack County, New Hampshire have no health insurance, about 1 in 20 people, about the same as the New Hampshire rate of 5.3%.

What is the obesity rate in Merrimack County, New Hampshire?

28.9% of adults in Merrimack County, New Hampshire are classified as obese, about 1 in 3, 2.4 points below the New Hampshire rate of 31.3%.

How many cigarettes do smokers in Merrimack County, New Hampshire go through, and how much life does that cost?

Assuming each smoker smokes 10 cigarettes a day, that's about 195,487 cigarettes a day, 5.9 million a month, or 71.4 million a year! At 11 minutes* of life lost per cigarette, that's about 2.2 million minutes a day and 784.9 million a year lost to smoking overall - and since life expectancy in Merrimack County is 79.5 years, that's roughly equivalent to 0.05 lifetimes a day, or 19 lifetimes a year.

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