Basco, IL

Full City Profile · Illinois · Hancock County County

3.3 /5.0
B Good
73 Population 332/sq mi density
$46,250 Median Income $33,004 per capita
$38,200 Home Value $125,607 Zillow
53°F Avg Temperature
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$46,250 median income, 16.3% unemployment
A+
Affordability
5.0 / 5.0
$38,200 home value, /mo rent
C
Education
2.3 / 5.0
16.3% bachelor's degree or higher
Basco experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 26°F in January while summers reach 76°F in July. Annual precipitation totals 40.1 inches. The area receives 23.1 inches of snow annually.

Temperature

26°F Jan (-3°C) 76°F Jul (25°C)
Annual Average52.8°F
2% below US avg
January Average26°F (-3°C)
July Average76°F (25°C)

Geography

Elevation633 ft (193 m)
Area0.2 sq mi (0.6 km²)
Population Density332/sq mi
Coordinates40.3278°N, 91.1995°W
TimezoneAmerica/Chicago
CountyHancock County County
Nearest AirportQuincy Regional-Baldwin Field (UIN)
27 miles away

Precipitation & Snow

Annual Rainfall 40.1"
6% above US avg
Snowfall 23.1"
Wettest Month (May) 5.28"
Driest Month (Jan) 1.67"

Air Quality

Natural Hazard Risk

Overall RiskVery Low
Risk Score31.1 / 100
Social Vulnerability64.8 / 100
Community Resilience61.4 / 100

Hazard Breakdown

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

Earthquake History

1 earthquake (M2.5+) within 150 km since 1990. Strongest: M2.9. Most recent: M2.9 on Feb 8, 2004.

Feb 8, 2004 6 km SSW of Stoutsville, Missouri M2.9 110 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

458 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 11 fatalities, 324 injuries.

Date Rating Distance Fatalities
May 13, 1995 EF4 30 km 0
May 13, 1995 EF4 76 km 0
Apr 4, 2023 EF3 74 km 0
May 27, 2019 EF3 77 km 0
May 10, 2003 EF3 86 km 0
Apr 8, 1999 EF3 21 km 0
Jun 21, 1981 EF3 50 km 1
Jul 23, 1975 EF3 90 km 2
Jul 23, 1975 EF3 78 km 0
Jun 13, 1975 EF3 89 km 0
Apr 13, 1974 EF3 25 km 0
Sep 30, 1973 EF3 25 km 0
May 1, 1973 EF3 46 km 2
Apr 20, 1973 EF3 73 km 0
Apr 21, 1967 EF3 97 km 0
Apr 16, 1967 EF3 87 km 2
Jan 24, 1967 EF3 96 km 0
Jan 24, 1967 EF3 86 km 1
Jan 24, 1967 EF3 39 km 1
Aug 25, 1965 EF3 61 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

5 wildfires (100+ acres) within 100 km. Largest: UNIT 3 (1,206 ac, 1999).

Year Name Acres Distance
1999 UNIT 3 1,206 88 km
2002 HSB 03 2 1,130 88 km
2000 DESTRUST A 756 89 km
2006 HSB 003 674 87 km
2004 HSB 009 608 89 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 26°F (-3°C) 1.7 in Coldest, Driest
February 30°F (-1°C) 2.0 in
March 41°F (5°C) 2.6 in
April 53°F (12°C) 4.1 in
May 64°F (18°C) 5.3 in Wettest
June 73°F (23°C) 4.9 in
July 76°F (25°C) 4.3 in Warmest
August 74°F (24°C) 4.2 in
September 67°F (20°C) 3.7 in
October 55°F (13°C) 3.2 in
November 42°F (6°C) 2.5 in
December 31°F (-0°C) 1.9 in

Basco has a seasonal temperature swing of 51°F / from 26°F in January to 76°F in July. Total annual precipitation is 40.1 inches, with May being the wettest month (5.3") and January the driest (1.7").

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