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Keystone, IN

Full City Profile · Indiana · Blackford County County

3.2 /5.0
B Good
92 Population 105/sq mi density
$56,944 Median Income $21,176 per capita
50°F Avg Temperature 275 sunny days/yr
10 Violent Crime/100K 3,504 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.9 / 5.0
$56,944 median income, 10.9% unemployment
D
Safety
1.8 / 5.0
10 violent crimes/100K
A+
Education
5.0 / 5.0
0.0% bachelor's degree or higher
Keystone experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 25°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 40.0 inches. The area receives 23.3 inches of snow annually. Air quality is rated Good with a median AQI of 41.

Temperature

25°F Jan (-4°C) 73°F Jul (23°C)
Annual Average50.1°F
7% below US avg
January Average25°F (-4°C)
July Average73°F (23°C)
Sunny Days275 days/yr

Geography

Elevation861 ft (262 m)
Area0.9 sq mi (2.3 km²)
Population Density105/sq mi
Coordinates40.5922°N, 85.2625°W
TimezoneAmerica/Indiana/Indianapolis
CountyBlackford County County
Nearest AirportDelaware County Regional (MIE)
25 miles away

Precipitation & Snow

Annual Rainfall 40.0"
5% above US avg
Snowfall 23.3"
Wettest Month (Jun) 4.02"
Driest Month (Feb) 1.93"

Air Quality

AQI Median41.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score9.0 / 100
Social Vulnerability51.5 / 100
Community Resilience90.1 / 100

Hazard Breakdown

Tornado Relatively Low
Hurricane Very Low
Earthquake Very Low
Wildfire Very Low
Flood Very Low
Hail Relatively Low
Strong Wind Relatively Low
Heat Wave Very Low
Winter Weather Very Low
Lightning Very Low
Ice Storm Very Low
Drought Very Low
Cold Wave Very 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: M3.8. Most recent: M2.6 on Jun 12, 2015.

Sep 12, 2004 4 km NW of Manilla, Indiana M3.8 115 km
Jan 26, 2012 5 km NE of Topeka, Indiana M3.0 111 km
Apr 17, 1990 8 km NW of Fort Recovery, Ohio M3.0 38 km
Apr 4, 1994 2 km WNW of Minster, Ohio M2.9 76 km
May 12, 2006 2 km E of Lima, Ohio M2.8 101 km
Jun 12, 2015 6 km NW of Convoy, Ohio M2.6 58 km
Jan 30, 2004 2 km S of Rockford, Ohio M2.5 52 km
Jun 4, 1990 4 km SSE of Van Buren, Ohio M2.5 148 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

555 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 65 fatalities, 1,609 injuries.

Date Rating Distance Fatalities
Nov 10, 2002 EF4 47 km 4
Feb 18, 1992 EF4 60 km 0
Apr 3, 1974 EF4 60 km 1
Apr 3, 1974 EF4 99 km 0
Apr 11, 1965 EF4 11 km 4
Apr 11, 1965 EF4 79 km 3
Apr 11, 1965 EF4 97 km 25
Apr 11, 1965 EF4 93 km 13
Mar 6, 1956 EF4 26 km 1
Mar 14, 2024 EF3 93 km 3
Mar 14, 2024 EF3 47 km 1
Mar 31, 2023 EF3 31 km 0
May 27, 2019 EF3 96 km 0
May 27, 2019 EF3 49 km 1
May 27, 2019 EF3 11 km 0
May 27, 2019 EF3 85 km 0
Aug 24, 2016 EF3 68 km 0
Aug 24, 2016 EF3 80 km 0
Jun 5, 2010 EF3 78 km 0
May 30, 2004 EF3 75 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 25°F (-4°C) 2.0 in Coldest
February 27°F (-3°C) 1.9 in Driest
March 38°F (3°C) 3.0 in
April 49°F (9°C) 3.7 in
May 60°F (16°C) 3.9 in
June 69°F (21°C) 4.0 in Wettest
July 73°F (23°C) 3.9 in Warmest
August 71°F (22°C) 3.5 in
September 64°F (18°C) 3.0 in
October 53°F (12°C) 2.6 in
November 41°F (5°C) 3.0 in
December 30°F (-1°C) 2.8 in

Keystone has a seasonal temperature swing of 49°F / from 25°F in January to 73°F in July. Total annual precipitation is 37.3 inches, with June being the wettest month (4.0") and February the driest (1.9").

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