San Diego vs Billings for Retirees (2026)
Scroll down for retirement income tax breakdown, healthcare estimates, and FAQ.
Full retirement cost breakdown
| Metric | San Diego California | Billings Montana |
|---|---|---|
| 1BR rent / month | $2,600 | $1,200Better |
| Median home price | $850K | $320KBetter |
| State income tax | 9.3% | 6.8%Better |
| Sales tax (combined) | 7.8% | 0%Better |
| Monthly utilities | $130Better | $148 |
| Groceries index (US = 100) | 109 | 97Better |
| Est. healthcare / month | $740 | $445Better |
| Walk score (0–100) | 51 / 100Better | 26 / 100 |
| Overall COL index (100 = US avg) | 148 | 89Better |
Frequently asked questions
Which city is better for retirement — San Diego or Billings?
Based on home prices, taxes on retirement income, walkability, and overall cost of living, Billings scores better for retirees. Median home prices are $850K in San Diego vs $320K in Billings. Billings is approximately 40% cheaper overall. The best choice still depends on climate, healthcare access, and proximity to family.
Is retirement income taxed in San Diego or Billings?
Billings has the lower state income tax rate (6.8% 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 Billings?
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 $445 in Billings. That's a difference of ~$295/month, or ~$3,540/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?
San Diego has a higher walk score (51 vs 26 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. San Diego offers more independence without a car, which also reduces transportation costs.
$50K/year in San Diego has the same purchasing power as $30K/year in Billings
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