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  3. Rock Island County, IL
Illinois (IL)Davenport-Moline-Rock Island309861

Rock Island County, IL

Davenport-Moline-Rock Island metro * 144.3K residents

Compare

144.3K

Population

$67.2K

Median income

per household

$150.4K

Home value

15.5%

Poverty rate

What stands out

  • Median household income: $67.2K.
  • Median home value: $150.4K.
  • Poverty rate: 15.5%.

Categories vs U.S.

Economy

0 of 6 metrics better than U.S. benchmarks

Median household income

$67.2K

U.S.

$81K

Median home value

$150.4K

U.S.

$333K

Poverty rate

15.5%

U.S.

12.4%

Housing stress

Rent-burdened renters (≥30%)

47.7%

U.S.

51.1%

Severely rent-burdened (≥50%)

23.7%

U.S.

25.9%

Affordability Ratios

Rent-to-Income

15.9%

Below 30% threshold

Home-Value-to-Income

2.2×

Within typical 3-5x range

Income distribution

Share of households by income bracket (ACS).

< $50k
38.3%
$50–100k
30.6%
$100–200k
25.0%
$200k+
6.0%
See Davenport-Moline-Rock Island metro economy →See IL state economy →

Health

2 of 6 available metrics better than U.S.

Obesity

39.6%

U.S.

33.2%

Diabetes

13.1%

U.S.

12.1%

Current smoking

14.5%

U.S.

12.8%

See Davenport-Moline-Rock Island metro health data →See IL state health data →

Connectivity

3 of 3 metrics better than U.S.

100+ Mbps coverage

98.2%

U.S.

89.6%

Gigabit ready

83.6%

U.S.

46.1%

5G available

90.8%

U.S.

77.4%

See Davenport-Moline-Rock Island metro connectivity →See IL state connectivity →

Map

Rock Island County, IL

Population

144.3K

Area

427.5 sq mi

Density

337.5/sq mi

Neighbors

Henry County, ILMercer County, ILWhiteside County, ILClinton County, IALouisa County, IAMuscatine County, IAScott County, IA

National Percentile Rankings

How this county compares to other counties nationwide.

Data Sources & Notes

Data freshness

ACS 5-year
2020–2024
CDC PLACES
2025
BLS (LAUS)
2025-12
Broadband
2024-06-arcgis
Mobile coverage
2025-11-24
Page updated
2026-03-31

Release schedule and upstream dates: Sources.

Data sources

U.S. Census (ACS 5-year)U.S. Census TIGER/LineCDC PLACESBLS (LAUS)FCC (Form 477 broadband)FCC (Mobile Broadband Data Collection)

Derived statistics

  • ACS county metrics (income, housing, demographics) are sourced directly from Census county-level tables.
  • CDC health metrics are sourced from county-level CDC PLACES data.
  • Unemployment is sourced from the BLS Local Area Unemployment Statistics (LAUS) program.
  • Population density is computed as population ÷ land area.

Data accuracy & methodology

County pages use 2020–2024 ACS 5-year county-level estimates sourced directly from Census county tables. CDC health metrics come from county-level CDC PLACES. Unemployment rates come from the BLS LAUS program. Connectivity metrics use FCC coverage data.

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