Ontario CA vs Wilmington DE — Cost of Living, Crime & Income Comparison 2026

Updated May 2026 · Source: US Census ACS 5-Year (2023), FBI CDE (2023), BLS OEWS (2024)

Ontario, CA

California · Population: 138,723

  • Median HH Income$116,945
  • Median Home Price$671,948
  • Unemployment4.7%
  • Bachelor's+40.1%

Wilmington, DE

Delaware · Population: 71,124

  • Median HH Income$55,269
  • Median Home Price$327,117
  • Unemployment7.6%
  • Bachelor's+33.1%

Detailed Comparison

Demographics

Population
Ontario
138,723
Ontario +
Wilmington
71,124
Pop. Density / sq mi
Lower = more space
Ontario
N/A
Wilmington
N/A
Median Age
Ontario
36.9
Ontario +
Wilmington
37.0
Foreign Born
Ontario
21.0%
Ontario +
Wilmington
8.3%
White
Ontario
53.6%
Ontario +
Wilmington
32.4%
Black
Ontario
1.6%
Wilmington
52.3%
Wilmington +
Asian
Ontario
13.1%
Ontario +
Wilmington
1.6%
Hispanic
Ontario
40.0%
Ontario +
Wilmington
11.8%
Spanish at Home
Ontario
N/A
Wilmington
N/A

Economy

Median HH Income
Ontario
$116,945
Ontario +
Wilmington
$55,269
Per Capita Income
Ontario
$50,759
Ontario +
Wilmington
$38,786
Per Capita Personal Income (MSA)
BEA MSA-level
Ontario
$77,230
Ontario +
Wilmington
$64,087
Unemployment Rate
Ontario
4.7%
Ontario +
Wilmington
7.6%
Poverty Rate
Ontario
9.2%
Ontario +
Wilmington
23.2%
Bachelor's Degree+
Ontario
40.1%
Ontario +
Wilmington
33.1%

Housing

Median Home Value
Zillow ZHVI / Census ACS
Ontario
$671,948
Wilmington
$327,117
Wilmington +
Homeownership Rate
Ontario
58.1%
Ontario +
Wilmington
46.0%

Safety

Violent Crime / 100K
FBI CDE (state-level est.)
Ontario
503
Wilmington
394
Wilmington +
Property Crime / 100K
FBI CDE (state-level est.)
Ontario
2388
Wilmington
1991
Wilmington +

Health

Obesity Rate
CDC PLACES
Ontario
33.6%
Ontario +
Wilmington
41.0%
Diabetes Rate
CDC PLACES
Ontario
12.0%
Ontario +
Wilmington
16.0%
Poor Mental Health
CDC PLACES — 14+ days/month
Ontario
17.8%
Ontario +
Wilmington
18.4%
No Health Insurance
CDC PLACES
Ontario
17.0%
Wilmington
12.7%
Wilmington +
Binge Drinking
CDC PLACES
Ontario
15.7%
Wilmington
13.5%
Wilmington +
Current Smokers
CDC PLACES
Ontario
12.0%
Ontario +
Wilmington
16.4%

Climate

Avg Annual Temp
NOAA 1991–2020 normal
Ontario
65.5°F
Wilmington
54.4°F
Wilmington +
Annual Precipitation
NOAA 1991–2020 normal
Ontario
15.0 in
Ontario +
Wilmington
49.3 in

Air Quality

PM2.5 Annual Avg
EPA AQS (state-level est.)
Ontario
7.9 µg/m³
Ontario +
Wilmington
8.8 µg/m³
Good Air Days
AQI ≤ 50
Ontario
75.0%
Wilmington
75.0%
Tie

Commute

Mean Commute Time
Census ACS
Ontario
28.2 min
Wilmington
25.0 min
Wilmington +

Which City is Right for You?

Ontario leads in median household income at $116,945, while wilmington offers more affordable housing with a median home price of $327,117. On public safety, Wilmington is safer with a violent crime rate of 394 per 100,000 residents, compared to 503 in Ontario. Ontario has a lower unemployment rate at 4.7%, and Ontario has cleaner air (PM2.5 avg 7.9 µg/m³). For overall health outcomes, Ontario scores better with a lower obesity rate of 33.6%.

Compare More Cities

About Ontario & Wilmington