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Dalzell, IL

Full City Profile · Illinois · Putnam County County

3.2 /5.0
B Good
716 Population 873/sq mi density
$74,625 Median Income $34,243 per capita
$159,400 Home Value $152,572 Zillow
$970 Median Rent 24.4% income on rent
50°F Avg Temperature 275 sunny days/yr
93 Violent Crime/100K 1,212 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$74,625 median income, 3.2% unemployment
A+
Affordability
5.0 / 5.0
$159,400 home value, $970/mo rent
F
Safety
1.0 / 5.0
93 violent crimes/100K
C+
Education
2.6 / 5.0
19.8% bachelor's degree or higher
Dalzell experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 22°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 38.1 inches. The area receives 28.5 inches of snow annually. Air quality is rated Good with a median AQI of 43.

Temperature

22°F Jan (-6°C) 73°F Jul (23°C)
Annual Average49.6°F
8% below US avg
January Average22°F (-6°C)
July Average73°F (23°C)
Sunny Days275 days/yr

Geography

Elevation625 ft (191 m)
Area0.8 sq mi (2.1 km²)
Population Density873/sq mi
Coordinates41.3565°N, 89.1734°W
TimezoneAmerica/Chicago
CountyPutnam County County
Nearest AirportIllinois Valley Regional-Walter A Duncan Field (VYS)
1 miles away

Precipitation & Snow

Annual Rainfall 38.1"
0% below US avg
Snowfall 28.5"
Wettest Month (Jun) 4.17"
Driest Month (Feb) 1.22"

Air Quality

AQI Median43.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score9.2 / 100
Social Vulnerability34.8 / 100
Community Resilience79.9 / 100

Hazard Breakdown

Tornado Relatively Low
Hurricane Very Low
Earthquake Very Low
Wildfire Very Low
Flood Very Low
Hail Very Low
Strong Wind Relatively Low
Heat Wave Very Low
Winter Weather Very Low
Lightning Very Low
Ice Storm Very Low
Drought Relatively Low
Cold Wave Relatively Low
Landslide Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

8 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.2. Most recent: M2.6 on Mar 15, 2025.

Jun 28, 2004 12 km NW of Dayton, Illinois M4.2 26 km
Feb 10, 2010 2 km NW of Lily Lake, Illinois M3.8 88 km
Sep 2, 1999 8 km W of Amboy, Illinois M3.5 46 km
Nov 4, 2013 1 km SSW of Lyons, Illinois M3.2 123 km
Jul 15, 2024 2 km WNW of Somonauk, Illinois M3.1 50 km
Mar 25, 2015 3 km WNW of Lake in the Hills, Illinois M2.9 114 km
Jun 10, 2013 4 km NNE of Virgil, Illinois M2.6 90 km
Mar 15, 2025 6 km W of Dwight, Illinois M2.6 64 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

675 tornadoes (EF0+) within 100 km since 1950. Strongest: EF5. Total: 79 fatalities, 1,394 injuries.

Date Rating Distance Fatalities
Aug 28, 1990 EF5 77 km 29
Apr 9, 2015 EF4 56 km 2
Nov 17, 2013 EF4 88 km 3
Jul 13, 2004 EF4 63 km 0
Mar 29, 1981 EF4 74 km 0
Jun 29, 1979 EF4 81 km 0
Jun 29, 1976 EF4 79 km 0
Apr 21, 1967 EF4 98 km 24
Apr 17, 1963 EF4 92 km 1
Jun 20, 2021 EF3 92 km 0
Feb 28, 2017 EF3 19 km 2
Feb 28, 2017 EF3 52 km 0
Jun 22, 2015 EF3 66 km 0
Jun 5, 2010 EF3 47 km 0
Apr 20, 2004 EF3 15 km 8
May 9, 1995 EF3 53 km 0
Mar 27, 1991 EF3 93 km 0
Mar 13, 1990 EF3 96 km 0
Apr 27, 1984 EF3 74 km 1
Aug 5, 1979 EF3 81 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

8 wildfires (100+ acres) within 100 km. Largest: UNNAMED (1,741 ac, 2019).

Year Name Acres Distance
2019 UNNAMED 1,741 84 km
2019 UNNAMED 1,664 89 km
2021 NORTHEAST PRAIRIE UNIT 3 978 95 km
2024 NORTHEAST PRAIRIE 3 RX 938 95 km
2021 UNNAMED 738 94 km
2021 MIDDLE GRANT CREEK 700 85 km
2019 UNNAMED 698 95 km
2017 UNNAMED 549 85 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 22°F (-6°C) 1.4 in Coldest
February 25°F (-4°C) 1.2 in Driest
March 37°F (3°C) 2.6 in
April 49°F (10°C) 3.6 in
May 61°F (16°C) 3.9 in
June 70°F (21°C) 4.2 in Wettest
July 73°F (23°C) 3.8 in Warmest
August 71°F (22°C) 4.0 in
September 64°F (18°C) 3.8 in
October 52°F (11°C) 2.6 in
November 39°F (4°C) 2.6 in
December 26°F (-3°C) 2.1 in

Dalzell has a seasonal temperature swing of 51°F / from 22°F in January to 73°F in July. Total annual precipitation is 35.8 inches, with June being the wettest month (4.2") and February the driest (1.2").

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