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Decatur, IL vs Peoria, IL

62
Decatur
Illinois
VS
-13.5%
72
Peoria
Illinois

Decatur is moderately more affordable than Peoria, with a 13.5% lower cost of living index. Decatur scores 62 compared to 72 for Peoria, where the US average is 100. This difference means residents of Peoria can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in Decatur is $796/month compared to $951/month in Peoria — a 16% difference. Home values follow the same pattern: Decatur is more affordable at $97,300 median vs $149,500.

Median household income in Decatur is $50,809 compared to $58,716 in Peoria (-13.5%). The higher salaries in Peoria partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Decatur spend roughly 18.8% of their income on rent, less than the 19.4% in Peoria.

Income & Cost

Cost of Living Index
Decatur
62
13% cheaper
Peoria
72
Median Household Income
Decatur
$50,809
Peoria
$58,716
13% higher

Housing

Median Rent
Decatur
$796
16% cheaper
Peoria
$951
Median Home Value
Decatur
$97,300
35% cheaper
Peoria
$149,500
Population
Decatur
70,368
Peoria
112,126

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Decatur $2.85
Peoria $2.85
US $3.07
🥚
Eggs (grade A, large)
Decatur $2.33
Peoria $2.33
US $2.50
🥛
Milk (whole)
Decatur $3.75
Peoria $3.75
US $4.03
🍞
Bread (white)
Decatur $1.72
Peoria $1.72
US $1.85
🍗
Chicken breast
Decatur $3.86
Peoria $3.86
US $4.14
Electricity
Decatur $0.17
Peoria $0.17
US $0.19