Cost of Living: Thousand Oaks, CA vs Springfield, IL (2026)

Thousand Oaks

California
226
VS

Springfield

Illinois
61

Thousand Oaks is 270% more expensive than Springfield.

$2,580/mo ↑ 173%
Median Rent
$945/mo ↓ 63%
$134,367/yr ↑ 105%
Median Income
$65,537/yr ↓ 51%
$951,200 ↑ 513%
Home Value
$155,200 ↓ 84%
$2,726/mo ↑ 180%
Owner Costs
$974/mo ↓ 64%
125,676
Population
113,714

Tax Comparison

13.3%
Income Tax
4.95%
7.25%
State Sales Tax
6.25%
0.71%
Property Tax
2.07%

Affordability

23.0%
rent-to-income
Affordability
17.3%
rent-to-income

Detailed Comparison

When comparing Thousand Oaks, CA and Springfield, IL, the overall cost of living indices are 226 and 61 respectively (national median = 100). Rent is $1,635/month cheaper in Springfield, saving renters about $19,620/year.

Median household income is $68,830/year higher in Thousand Oaks. Home values also differ significantly — the median in Thousand Oaks is $951,200 compared to $155,200 in Springfield.

Illinois has a lower income tax rate, making Springfield slightly more tax-friendly.

Frequently Asked Questions

Thousand Oaks vs Springfield — common questions

Is Thousand Oaks or Springfield cheaper to live in?
Based on our cost index, Springfield is cheaper to live in with an index of 61 compared to 226 (US average = 100).
What is the rent difference between Thousand Oaks and Springfield?
Median rent in Thousand Oaks is $2,580/month and in Springfield it's $945/month — a difference of $1,635/month.
Which city has higher income, Thousand Oaks or Springfield?
Median household income is $134,367 in Thousand Oaks and $65,537 in Springfield. Median household income is $68,830/year higher in Thousand Oaks.
How do taxes compare between California and Illinois?
California has 13.3% income tax, 7.25% sales tax, and 0.71% property tax. Illinois has 4.95% income tax, 6.25% sales tax, and 2.07% property tax.
Should I move to Thousand Oaks or Springfield?
It depends on your priorities. Thousand Oaks has a cost index of 226 with median rent of $2,580/mo, while Springfield has a cost index of 61 with rent of $945/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Thousand Oaks details → View Springfield details →

More Comparisons

Other cost of living comparisons for Thousand Oaks and Springfield

Thousand Oaks vs. Simi Valley Thousand Oaks vs. Allentown Thousand Oaks vs. Pearland Thousand Oaks vs. Palm Bay Thousand Oaks vs. Topeka Thousand Oaks vs. Meridian Springfield vs. Odessa Springfield vs. Beaumont Springfield vs. Elgin Springfield vs. Gresham Springfield vs. Provo Springfield vs. Las Cruces