Cost of Living: Rockford, IL vs South Fulton, GA (2026)

Rockford

Illinois
57
VS

South Fulton

Georgia
103

Rockford is 45% cheaper than South Fulton.

$954/mo ↓ 41%
Median Rent
$1,607/mo ↑ 68%
$53,328/yr ↓ 35%
Median Income
$81,798/yr ↑ 53%
$120,900 ↓ 55%
Home Value
$270,600 ↑ 124%
$947/mo ↓ 39%
Owner Costs
$1,541/mo ↑ 63%
147,649
Population
109,157

Tax Comparison

4.95%
Income Tax
5.49%
6.25%
State Sales Tax
4.0%
2.07%
Property Tax
0.92%

Affordability

21.5%
rent-to-income
Affordability
23.6%
rent-to-income

Detailed Comparison

When comparing Rockford, IL and South Fulton, GA, the overall cost of living indices are 57 and 103 respectively (national median = 100). Rent is $653/month cheaper in Rockford, saving renters about $7,836/year.

Median household income is $28,470/year higher in South Fulton. Home values also differ significantly — the median in Rockford is $120,900 compared to $270,600 in South Fulton.

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

Frequently Asked Questions

Rockford vs South Fulton — common questions

Is Rockford or South Fulton cheaper to live in?
Based on our cost index, Rockford is cheaper to live in with an index of 57 compared to 103 (US average = 100).
What is the rent difference between Rockford and South Fulton?
Median rent in Rockford is $954/month and in South Fulton it's $1,607/month — a difference of $653/month.
Which city has higher income, Rockford or South Fulton?
Median household income is $53,328 in Rockford and $81,798 in South Fulton. Median household income is $28,470/year higher in South Fulton.
How do taxes compare between Illinois and Georgia?
Illinois has 4.95% income tax, 6.25% sales tax, and 2.07% property tax. Georgia has 5.49% income tax, 4.0% sales tax, and 0.92% property tax.
Should I move to Rockford or South Fulton?
It depends on your priorities. Rockford has a cost index of 57 with median rent of $954/mo, while South Fulton has a cost index of 103 with rent of $1,607/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Rockford details → View South Fulton details →

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