Cost of Living: Simi Valley, CA vs Antioch, CA (2026)

Simi Valley

California
200
VS

Antioch

California
171

Simi Valley is 17% more expensive than Antioch.

$2,513/mo ↑ 12%
Median Rent
$2,241/mo ↓ 11%
$117,703/yr ↑ 25%
Median Income
$94,256/yr ↓ 20%
$753,500 ↑ 24%
Home Value
$607,400 ↓ 19%
$2,576/mo ↑ 13%
Owner Costs
$2,271/mo ↓ 12%
125,769
Population
115,759

Tax Comparison

13.3%
Income Tax
13.3%
7.25%
State Sales Tax
7.25%
0.71%
Property Tax
0.71%

Affordability

25.6%
rent-to-income
Affordability
28.5%
rent-to-income

Detailed Comparison

When comparing Simi Valley, CA and Antioch, CA, the overall cost of living indices are 200 and 171 respectively (national median = 100). Rent is $272/month cheaper in Antioch, saving renters about $3,264/year.

Median household income is $23,447/year higher in Simi Valley. Home values also differ significantly — the median in Simi Valley is $753,500 compared to $607,400 in Antioch.

Both cities share the same state tax structure since they are in California.

Frequently Asked Questions

Simi Valley vs Antioch — common questions

Is Simi Valley or Antioch cheaper to live in?
Based on our cost index, Antioch is cheaper to live in with an index of 171 compared to 200 (US average = 100).
What is the rent difference between Simi Valley and Antioch?
Median rent in Simi Valley is $2,513/month and in Antioch it's $2,241/month — a difference of $272/month.
Which city has higher income, Simi Valley or Antioch?
Median household income is $117,703 in Simi Valley and $94,256 in Antioch. Median household income is $23,447/year higher in Simi Valley.
How do taxes compare between California and California?
Both cities are in California and share the same state tax rates: 13.3% income tax, 7.25% sales tax, and 0.71% property tax.
Should I move to Simi Valley or Antioch?
It depends on your priorities. Simi Valley has a cost index of 200 with median rent of $2,513/mo, while Antioch has a cost index of 171 with rent of $2,241/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Simi Valley details → View Antioch details →

More Comparisons

Other cost of living comparisons for Simi Valley and Antioch

Simi Valley vs. Pearland Simi Valley vs. Thousand Oaks Simi Valley vs. Topeka Simi Valley vs. Allentown Simi Valley vs. Athens Simi Valley vs. Palm Bay Antioch vs. Broken Arrow Antioch vs. Westminster Antioch vs. West Jordan Antioch vs. Manchester Antioch vs. Brandon Antioch vs. Richmond