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  3. Putnam County, IL
Illinois (IL)Ottawa779815

Putnam County, IL

Ottawa metro * 5.7K residents

Compare

5.7K

Population

$78.7K

Median income

per household

$174.2K

Home value

8.0%

Poverty rate

What stands out

  • Median household income: $78.7K (top quartile vs US counties).
  • Median home value: $174.2K.
  • Poverty rate: 8.0% (low poverty; bottom quartile vs US counties).

Categories vs U.S.

Economy

1 of 6 metrics better than U.S. benchmarks

Median household income

$78.7K

U.S.

$81K

Median home value

$174.2K

U.S.

$333K

Poverty rate

8.0%

U.S.

12.4%

Housing stress

Rent-burdened renters (≥30%)

25.9%

U.S.

51.1%

Severely rent-burdened (≥50%)

14.9%

U.S.

25.9%

Affordability Ratios

Rent-to-Income

14.0%

Below 30% threshold

Home-Value-to-Income

2.2×

Within typical 3-5x range

Income distribution

Share of households by income bracket (ACS).

< $50k
30.7%
$50–100k
36.4%
$100–200k
24.7%
$200k+
8.2%
See Ottawa metro economy →See IL state economy →

Health

3 of 6 available metrics better than U.S.

Obesity

36.1%

U.S.

33.2%

Diabetes

12.1%

U.S.

12.1%

Current smoking

13.1%

U.S.

12.8%

See Ottawa metro health data →See IL state health data →

Connectivity

1 of 3 metrics better than U.S.

Best available speed

250Mbps

Below gigabit speeds reported

100+ Mbps coverage

52.3%

U.S.

85.3%

Gigabit ready

0.0%

U.S.

8.6%

5G available

84.5%

U.S.

77.4%

See Ottawa metro connectivity →See IL state connectivity →

Map

Putnam County, IL

Population

5.7K

Area

160.1 sq mi

Density

35.4/sq mi

Neighbors

Bureau County, ILLaSalle County, ILMarshall County, IL
Data Sources & Notes

Data freshness

ACS 5-year
2020–2024
CDC PLACES
2025
BLS (LAUS)
2025-12
Broadband
2020-12
Mobile coverage
2025-11-24
Page updated
2026-02-23

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.