Census ACS · 11 cities
Largest Cities in Delaware
Delaware has 11 cities with populations of 10,000 or more. The largest city is Wilmington city with a population of 71,124. These cities represent the economic and cultural centers of the state, each with distinct demographic profiles reflecting local industries, housing markets, and community character. Explore the full ranking below to compare population, income, and age across all major cities in Delaware.
Source: Census ACS 5-Year Estimates
| # | City | Population | Median Income | Median Age |
|---|---|---|---|---|
| 1 | Wilmington city | 71,124 | $55,269 | 37 |
| 2 | Smyrna town | 13,031 | $70,473 | 34.3 |
| 3 | Pike Creek Valley Cdp | 11,992 | $93,896 | 38.3 |
| 4 | Newark city | 30,309 | $71,373 | 22 |
| 5 | Milford city | 12,193 | $55,265 | 41.4 |
| 6 | Middletown town | 24,071 | $115,252 | 38.4 |
| 7 | Hockessin Cdp | 13,608 | $172,695 | 45.2 |
| 8 | Glasgow Cdp | 16,095 | $109,803 | 42.4 |
| 9 | Dover city | 39,491 | $58,336 | 35.1 |
| 10 | Brookside Cdp | 15,262 | $72,031 | 35.5 |
| 11 | Bear Cdp | 22,604 | $88,985 | 39.4 |
More Rankings for Delaware
Frequently Asked Questions
Wilmington city is the #1 ranked city in Delaware by population, with a value of 71,124 according to latest Census ACS data.
Delaware has 11 cities with 10,000+ population tracked in latest Census ACS data.
All data comes from the American Community Survey (ACS) 5-Year estimates by the US Census Bureau.
Data from the American Community Survey 5-Year estimates. Covers cities with populations of 10,000 or more in Delaware.
Source: U.S. Census Bureau ACS, 2026.