Cost of living in Coal Valley, Illinois

Coal Valley, Illinois has about 4,229 people. That count is a 2020–2024 Census average, not a headcount from one day.

A typical home is worth about $215,700.

HUD's fair-market rent for a 2-bedroom in Rock Island County is $1,056 a month. That is the county number, not an apartment listing in Coal Valley. It runs from October 2026 through September 2027.

In the Davenport-Moline-Rock Island, IA-IL metro area, prices sit at 89.1 when the U.S. average is 100. That is a 2024 BEA index.

Illinois taxes wages. A typical combined sales tax is 9.0% as of January 1, 2026. That mix is statewide, not Coal Valley's exact store tax.

In July 2026, a typical Illinois home paid 19.22¢ per kilowatt-hour. That is a state average from EIA, not Coal Valley's bill.

EIA does not publish a Illinois gasoline price. For the week of October 12, 2026, the Midwest (PADD 2) all-grades price was $4.237 a gallon. At 12,000 miles a year and 25 mpg, the index counts that as $2,033.76 a year. Those miles are our standard, not a Census figure, and every town in Illinois shares this price.