Health Profile of Johnston County, North Carolina
Johnston 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.
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C
Johnston County Below average
Source: Map AI Methodology
General Health Overview
| Metric | Johnston County | North Carolina Avg | US Average |
|---|---|---|---|
| Life Expectancy (years) | 76.7 | 77.1 | 78.3 |
| Uninsured Population (%) | 10.4% | 9.9% | 8.4% |
| Self-Rated Poor Health | 16.6% | 16.8% | 16.3% |
Life expectancy in Johnston County is 76.7 years, about 0.4 years shorter than the North Carolina average of 77.1 years. The uninsured rate is 10.4%, higher than the North Carolina average of 9.9%. Self-rated poor health is reported by 16.6% of residents, lower than the North Carolina average of 16.8%.
Population by Age
Older residents
72,617 residents in Johnston County are age 50 or older.
- 85+ 2,653 883 men · 1,770 women
- 75–84 7,923 3,192 men · 4,731 women
- 65–74 17,686 8,318 men · 9,368 women
- 50–64 44,355 21,665 men · 22,690 women
Younger residents
58,238 residents in Johnston County are age 17 or younger.
- 12–17 18,423 9,403 boys · 9,020 girls
- 7–12 17,440 8,935 boys · 8,505 girls
- 3–7 12,889 6,598 boys · 6,292 girls
- 0–3 9,486 4,832 boys · 4,654 girls
About 9,015 residents in Johnston County (3.8% of the population) are older than the area's life expectancy of 76.7 years.
The highlighted slice of the age axis is the share of residents older than the life-expectancy mark.
Disease Prevalence
| Disease / Condition | Johnston County | North Carolina Avg | US Average |
|---|---|---|---|
| Diabetes | 11.9% | 12.4% | 11.3% |
| Cancer | 6.0% | 6.8% | 6.9% |
| Heart Diseases | 6.8% | 7.5% | 7.1% |
| Adult Obesity | 36.7% | 35.8% | 34.3% |
On average, diseases in Johnston County are about the same as in North Carolina.
Health Behaviors
| Behavior | Johnston County | North Carolina Avg | US Average |
|---|---|---|---|
| Smokers | 20.9% | 20.7% | 19.0% |
| Binge Drinking | 15.2% | 14.8% | 16.5% |
| Sedentary Lifestyle | 26.3% | 25.3% | 25.1% |
On average, health behaviors in Johnston County are about the same as in North Carolina.
Assuming each smoker smokes 10 cigarettes a day, that's about 366,852 cigarettes a day, 11.0 million a month, or 133.9 million a year! At 11 minutes* of life lost per cigarette, that's about 4.0 million minutes a day and 1.5 billion a year lost to smoking overall - and since life expectancy in Johnston County is 76.7 years, that's roughly equivalent to 0.10 lifetimes a day, or 37 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 | Johnston County | North Carolina Avg | US Average |
|---|---|---|---|
| Air Pollution (μg/m³) | 6.18 | 5.99 | 6.09 |
With an annual average of 6.2 µg/m³ of fine particulate matter (PM2.5), air quality in Johnston County is good — generally safe air quality for the vast majority of residents.
Johnston County, NC Health Compared With Nearby Counties
Johnston County, NC is the 2nd largest of the 6 counties compared here, 234,262 residents against a local median of 118,630. Johnston County, NC 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 uninsured, 14% below the local median at 10.4% against 12.1%. Johnston County, NC has the 3rd lowest uninsured of the 6 areas compared here.
| Area | Population | Life expectancy | Uninsured | Obesity |
|---|---|---|---|---|
| Johnston County, NC | 234,262 | 76.7 yrs #4/6 | 10.4% #3/6 | 36.7% #3/6 |
| Wayne County, NC | 118,630 | 75.5 yrs | 12.1% | 39.9% |
| Wake County, NC | 1,178,613 | 80.2 yrs | 7.5% | 28.8% |
| Wilson County, NC | 79,278 | 77.3 yrs | 12.2% | 42.8% |
| Harnett County, NC | 139,132 | 76.7 yrs | 9.7% | 41.7% |
| Sampson County, NC | 59,467 | 75.7 yrs | 15.6% | 36.5% |
Conclusion
Considering all these factors, Johnston County, North Carolina has an overall health index grade of C, making it somewhat better than North Carolina, and about on par with the country as a whole.
Frequently Asked Questions
Common questions about health in Johnston County, North Carolina.
Is Johnston County, North Carolina a healthy place to live?
Johnston County, North Carolina has a Map AI Health Index grade of C, based on life expectancy, disease rates, healthcare access, and the physical environment; a C grade means residents are close to the U.S. average.
Is Johnston County, North Carolina one of the healthiest counties in North Carolina?
Johnston County ranks 53rd healthiest out of 100 counties in North Carolina by the Map AI Health Index, which measures life expectancy, disease rates, healthcare access, and the physical environment.
What is the average lifespan in Johnston County, North Carolina?
People in Johnston County, North Carolina can expect to live 76.7 years on average, about the same as the North Carolina average of 77.1.
What is the uninsured rate in Johnston County, North Carolina?
10.4% of residents in Johnston County, North Carolina have no health insurance, about 1 in 10 people, 0.5 points above the North Carolina rate of 9.9%.
What percentage of Johnston County, North Carolina residents are obese?
36.7% of adults in Johnston County, North Carolina are classified as obese, about 1 in 3, 1.0 points above the North Carolina rate of 35.8%.
How many cigarettes do smokers in Johnston County, North Carolina go through, and how much life does that cost?
Assuming each smoker smokes 10 cigarettes a day, that's about 366,852 cigarettes a day, 11.0 million a month, or 133.9 million a year! At 11 minutes* of life lost per cigarette, that's about 4.0 million minutes a day and 1.5 billion a year lost to smoking overall - and since life expectancy in Johnston County is 76.7 years, that's roughly equivalent to 0.10 lifetimes a day, or 37 lifetimes a year.
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