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Lanark, IL vs Sullivan, IL

65
Lanark
Illinois
VS
-0.2%
65
Sullivan
Illinois

Lanark, IL and Sullivan, IL have a very similar cost of living, with only a 0.2% difference in their overall index. Lanark scores 65 while Sullivan scores 65 on the cost of living index, where 100 represents the national average. The day-to-day expenses for residents in both cities are comparable, though differences emerge when looking at specific categories.

On the housing front, median rent in Lanark is $781/month compared to $790/month in Sullivan — a 1% difference. Interestingly, home values tell a different story: while Lanark has cheaper rent, Sullivan actually has lower median home values ($95,600 vs $97,100).

Median household income in Lanark is $66,250 compared to $62,845 in Sullivan (+5.4%). Lanark offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Lanark spend roughly 14.1% of their income on rent, less than the 15.1% in Sullivan.

Climate-wise, Sullivan is notably warmer with an average of 53.4°F compared to 49.4°F in Lanark. Lanark receives more rainfall at 37.2" per year compared to 36" in Sullivan.

Income & Cost

Cost of Living Index
Lanark
65
Sullivan
65
Median Household Income
Lanark
$66,250
5% higher
Sullivan
$62,845

Housing

Median Rent
Lanark
$781
1% cheaper
Sullivan
$790
Median Home Value
Lanark
$97,100
Sullivan
$95,600
2% cheaper
Population
Lanark
1,510
Sullivan
4,253

Salary Equivalency Calculator

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Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Lanark 49.4°F
Sullivan 53.4°F
Summer High
Lanark 84°F
Sullivan 86°F
Winter Low
Lanark 15°F
Sullivan 20°F
Rainfall
Lanark 37.2"
Sullivan 36"
Rainy Days
Lanark 121d
Sullivan 108d