City profile
Brookside, DE
New Castle County · Population 15,115
Brookside is a town in New Castle County, DE with about 15,115 residents and a typical home value near $280,000. It is 3 miles from Newark, DE, which shapes its climate, healthcare access and amenities.
Climate
Climate type
Four seasons
Winter avg
33°F
Summer avg
77°F
Sunny days / yr
202
Home prices & cost of living
Median home price
$279,700
Typical monthly housing
$1,650
Cost of living (100 = U.S.)
97
Taxes
- Property tax
- 0.56%
- State income tax (top)
- 6.6%
- Social Security
- Not taxed
- Pensions
- Partly exempt
- Sales tax (state + avg. local)
- None
FEMA natural hazard risk
Relatively High · county score 95/100
Top hazards: Winter weather, Riverine flooding, Heat wave
Nearest major airport
29 mi to Philadelphia International Airport (PHL)
Political lean (2024 county vote)
Leans Democratic · 66% Democratic / 33% Republican
Community
Population
15,115
Black population
18.3%
County
New Castle County
Detailed crime figures are available for our 201 hand-researched cities.
2025–2026 trends
2026 market trends
- ▸DE is gaining retirees — a sign of strong retiree services and community
- ▸Climate/cost risks to check: coastal flooding
Highlights
- About 15,115 residents
- Typical home value about $280,000
- 3 miles from Newark, DE
Trade-offs
- Smaller community with fewer local amenities
- Scores for this place are estimated from Census data and the nearest major city
Figures are estimates from public sources (see How we match). Verify before making decisions.