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Cost of Living in Rock Falls, IL

Population: 8,683 | Illinois

63
Cost of Living Index
US Average = 100

Rock Falls is 37% less expensive than the national average.

56
Housing
27
Home Values
96
Regional Price

Cost of Living in Rock Falls, IL: What You Need to Know

With a cost of living index of 63, Rock Falls, IL is one of the most affordable cities in the country. Living here is 37% cheaper than the national average and 17% below the Illinois state average of 80. Rock Falls is a smaller community of 8,683 residents, where everyday costs can differ substantially from nearby larger cities.

Housing costs are the biggest factor in Rock Falls's cost of living. The median monthly rent is $745 (44% below the US median of $1,319), and the median home value sits at $82,400 (73% below the national median of $304,900). At current prices, the median home costs roughly 1.7x the median household income — well within traditional affordability guidelines.

The median household income in Rock Falls is $48,733, which is 35% lower than the national median of $75,149. Residents spend roughly 18% of household income on rent. This is a comfortable ratio, well below the 30% threshold that financial experts recommend as a maximum. Lower incomes here are balanced by the significantly lower cost of living, stretching each dollar further.

Climate is another factor for anyone considering a move to Rock Falls. The area sees an average annual temperature of 49.4°F, with summers averaging 72°F and winters around 25°F. Annual rainfall totals 37.2 inches spread over roughly 121 days. Cold winters mean higher heating bills, an important cost-of-living consideration.

Data sources: US Census Bureau (ACS 2023), Zillow Home Values, HUD Fair Market Rents, BEA Regional Price Parities, BLS Average Prices, and NOAA Climate Normals. Updated monthly.

Income

Median Household Income
$48,733
vs US Median ($75,149)
-35%

Housing

Median Rent
$745/mo
Median Home Value
$82,400
Median Monthly Housing Cost
$804/mo

Climate in Rock Falls

NOAA 30-year normals (1991-2020)

49.4°F
Avg Temperature
37.2"
Rainfall / Year
121d
Rainy Days / Year
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High °F 29 33 47 60 71 81 84 82 75 62 47 34
Avg °F 22 26 37 49 60 70 74 72 64 52 39 27
Low °F 15 18 28 39 50 60 64 62 54 42 31 20
Rain" 1.6 1.6 2.4 3.8 4.2 5.2 3.8 4.2 3.6 2.6 2.3 1.9

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