San Diego vs Trenton for Retirees (2026)

Better for retirees: Trenton~29% cheaper overall
Median Home Price
$850K
San Diego
$310K
Trenton
State Income Tax
9.3%
San Diego
9%
Trenton
Est. Healthcare / month
$740
San Diego
$525
Trenton
Walk Score (0–100)
51
San Diego
63
Trenton

Scroll down for retirement income tax breakdown, healthcare estimates, and FAQ.

Full retirement cost breakdown

Metric
San Diego
California
Trenton
New Jersey
1BR rent / month$2,600$1,700Better
Median home price$850K$310KBetter
State income tax9.3%9%Better
Sales tax (combined)7.8%6.6%Better
Monthly utilities$130Better$215
Groceries index (US = 100)109104Better
Est. healthcare / month$740$525Better
Walk score (0–100)51 / 10063 / 100Better
Overall COL index (100 = US avg)148105Better

Frequently asked questions

Which city is better for retirement — San Diego or Trenton?

Based on home prices, taxes on retirement income, walkability, and overall cost of living, Trenton scores better for retirees. Median home prices are $850K in San Diego vs $310K in Trenton. Trenton is approximately 29% cheaper overall. The best choice still depends on climate, healthcare access, and proximity to family.

Is retirement income taxed in San Diego or Trenton?

Trenton has the lower state income tax rate (9% vs 9.3%). Note that many states exempt Social Security income and some pension income from state taxes even when other income is taxed — check your specific state's retirement tax rules.

What is the estimated monthly healthcare cost in San Diego vs Trenton?

Based on national average retiree healthcare spending (~$500/month) scaled by each city's cost-of-living index, estimated monthly healthcare costs are approximately $740 in San Diego and $525 in Trenton. That's a difference of ~$215/month, or ~$2,580/year. Actual costs vary based on your Medicare plan, supplements, and health needs.

Can I afford to retire in San Diego on a $50,000 annual income?

On a $50,000/year ($4,167/month) retirement income in San Diego, rent alone would consume approximately 62% of your budget (1BR rent ~$2,600/mo) and healthcare another ~18%. That leaves roughly 20% (~$833/mo) for groceries, transportation, and other expenses. This is tight — a studio apartment or lower-cost neighborhood would help.

Which city is more walkable for retirees?

Trenton has a higher walk score (63 vs 51 out of 100). Walkability is increasingly important for retirees who want to reduce car dependence — a score above 70 means most daily errands can be done on foot. Trenton offers more independence without a car, which also reduces transportation costs.

Retirement purchasing power

$50K/year in San Diego has the same purchasing power as $35K/year in Trenton

Related comparisons

Healthcare estimates based on national avg retiree spending (~$500/mo) scaled by COL index · State income tax rates from Tax Foundation · Data: Zillow, BLS, Numbeo · Q1 2026