
New Castle County, DE
County in Delaware, South · ranked on 51 metrics
New Castle County, DE is a county in Delaware with a population of 590,038 (122nd of 3,094). It ranks best for Homes with Broadband Internet (%) (246th of 3,094), Median Household Income (278th of 3,093), Bachelor’s Degree or Higher (% of Adults 25+) (286th of 3,094). It ranks lowest for Median Home Value ($2,000,001 Means $2M or More) (tied 2,685th of 3,092), Average Commute (Minutes) (1,819th of 3,094).
Strengths and weak spotsPercentileWhere a place sits among all places, from 0 to 100. 100 is the best, 50 is the middle, 0 is the worst.More in the glossary →
Percentile on 21 metrics that rank at least half of all US counties, given whether higher or lower is better.
Best at
Highest percentiles, given whether higher or lower is better
- Housing, Income and Commutes by County (Census) · 2024246th of 3,09492
- Adults Who Smoke (%)11.8%Health of Adults by County (CDC PLACES) · 2023tied 255th of 2,91691
- Median Household Income$91,166Housing, Income and Commutes by County (Census) · 2024278th of 3,09391
- Housing, Income and Commutes by County (Census) · 2024286th of 3,09491
- Health of Adults by County (CDC PLACES) · 2023tied 352nd of 2,91687
- Median Income$91,166Poorest Counties278th of 2,00086
- Health of Adults by County (CDC PLACES) · 2023tied 494th of 2,91683
- Health of Adults by County (CDC PLACES) · 2023tied 620th of 2,91678
- Health of Adults by County (CDC PLACES) · 2023tied 648th of 2,91677
- Poverty Rate (%)10.1%Housing, Income and Commutes by County (Census) · 2024814th of 3,09474
Worst at
Lowest percentiles, given whether higher or lower is better
- Housing, Income and Commutes by County (Census) · 20242,812th of 3,0909
- Housing, Income and Commutes by County (Census) · 2024tied 2,685th of 3,09213
- Housing, Income and Commutes by County (Census) · 20241,819th of 3,09441
- Health of Adults by County (CDC PLACES) · 2023tied 1,416th of 2,91651
- Climate by County (1991–2020 Averages)tied 1,504th of 3,05051
- Climate by County (1991–2020 Averages)1,449th of 3,05053
- Health of Adults by County (CDC PLACES) · 2022tied 1,278th of 3,09458
- Health of Adults by County (CDC PLACES) · 2023tied 1,057th of 2,91663
- Health of Adults by County (CDC PLACES) · 2023tied 862nd of 2,91670
- Health of Adults by County (CDC PLACES) · 2023tied 861st of 2,91670
Profile by category
Average percentile per category, from the median line. Select a category to list its metrics.
Notable facts
Where it ranks first or last among US counties
Never first or last on a widely ranked metric.
Where it is
Shaded by population; select a place to open it
Similar places
Closest percentiles on 19 widely reported measures from 6 categories, leaving out size and totals

Mercer County, NJ86% similar
Sacramento County, CA85% similar

Quick answers
- What is the population of New Castle County, DE?
- New Castle County, DE has a population of 590,038, 122nd among 3,094 US counties.
- What does New Castle County, DE rank best at?
- Among US counties, New Castle County, DE ranks best for Homes with Broadband Internet (%) (246th of 3,094); Median Household Income (278th of 3,093); Bachelor’s Degree or Higher (% of Adults 25+) (286th of 3,094).
- Where does New Castle County, DE rank worst?
- New Castle County, DE ranks lowest for Median Home Value ($2,000,001 Means $2M or More) (tied 2,685th of 3,092); Average Commute (Minutes) (1,819th of 3,094).
- How many statistics does Rankodex have for New Castle County, DE?
- Rankodex ranks New Castle County, DE on 51 statistics compared with other US counties, compiled from World Population Review and the sources it cites.
Every metric
51 metrics with a value for this place, in 14 topics