City Dashboard
South Barrington, IL
Complete financial data dashboard — cost of living, mortgage calculator, salary comparisons, and tax details.Source: U.S. Census Bureau ACS 2023 · FRED
Cost Index
186
Very Expensive
Median Home Value
$986,300
National: $426,735
Median Rent
$1,917/mo
National: $1,527/mo
Household Income
$211,083
National: $84,532
Population
5,004
Purchasing Power
134
100 = national baseline
Cost of Living Breakdown
Housing Cost Index
231 / 100
100 = national average
Rent Index
126 / 100
Overall Index
186
Very Expensive
South Barrington Mortgage Calculator
Pre-filled with the local median home value of $986,300 and Illinois's property tax rate of 2.07%.
Salary & Purchasing Power
Median household income is $211,083 — 150% above the national average.
What $211,083 in South Barrington Gets You Elsewhere
Property Tax in South Barrington, IL
Est. Annual Property Tax
$20,416
Monthly Impact
$1,701
Added to your mortgage
Effective Rate
2.07%
National avg: ~1.00%
Illinois Tax Overview
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Cost of Living Comparison
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South Barrington, IL
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Cost Index Comparison (100 = National Avg)
Housing CostsNational Avg: 100
Rent Prices
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Reviewed by LivabilityCalc Research Team
Financial Data Analysts · Census & Economic Data Specialists
📊 Data Sources & Methodology
- Housing & Demographics: U.S. Census Bureau, American Community Survey (ACS) 2023 1-Year Estimates
- Mortgage Rates: Freddie Mac Primary Mortgage Market Survey via Federal Reserve Economic Data (FRED)
- Tax Rates: Tax Foundation State & Local Tax Data, 2024
- Cost of Living Index: Calculated using Census housing + rental data vs. national median (see methodology)
Last data update: March 2026 · Mortgage rates updated weekly · Page auto-refreshes every 24 hours via ISR