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Norco, LA

Full City Profile · Louisiana · St. Charles Parish County

3.1 /5.0
B Good
2,858 Population 828/sq mi density
$69,833 Median Income $45,076 per capita
$230,600 Home Value $202,960 Zillow
$1,089 Median Rent 51.0% income on rent
71°F Avg Temperature 317 sunny days/yr
236 Violent Crime/100K 3,608 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$69,833 median income, 2.1% unemployment
A+
Affordability
4.8 / 5.0
$230,600 home value, $1,089/mo rent
F
Safety
1.0 / 5.0
236 violent crimes/100K
C+
Education
2.6 / 5.0
19.6% bachelor's degree or higher
Norco has a warm climate with an average annual temperature of 71°F (22°C). Winters average 54°F in January while summers reach 84°F in July. The area gets 317 sunny days per year. Annual precipitation totals 63.4 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 42.

Temperature

54°F Jan (12°C) 84°F Jul (29°C)
Annual Average70.5°F
31% above US avg
January Average54°F (12°C)
July Average84°F (29°C)
Sunny Days317 days/yr

Geography

Elevation7 ft (2 m)
Area3.5 sq mi (8.9 km²)
Population Density828/sq mi
Coordinates29.9983°N, 90.4045°W
TimezoneAmerica/Chicago
CountySt. Charles Parish County
Nearest AirportLouis Armstrong New Orleans International (MSY)
9 miles away

Precipitation & Snow

Annual Rainfall 63.4"
67% above US avg
Snowfall 0.0"
Wettest Month (Jul) 6.85"
Driest Month (Oct) 3.39"

Air Quality

AQI Median42.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score85.1 / 100
Social Vulnerability41.7 / 100
Community Resilience100.0 / 100

Hazard Breakdown

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

Earthquake History

1 earthquake (M2.5+) within 150 km since 1990. Strongest: M3.0. Most recent: M3.0 on Aug 2, 2010.

Aug 2, 2010 16 km ESE of Clinton, Louisiana M3.0 101 km
Source: USGS (M2.5+, 1990-2025)

Hurricane History

26 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Francine (2024, Cat 2).

Year Name Category Closest
2024 Francine Category 2 65 km
2021 Ida Category 4 22 km
2020 Laura Category 4 280 km
2020 Zeta Category 3 54 km
2020 Delta Category 2 240 km
2020 Sally Category 2 229 km
2019 Barry Category 1 164 km
2017 Nate Category 1 117 km
2012 Isaac Category 1 67 km
2009 Ida Category 1 235 km
2008 Gustav Category 2 93 km
2005 Katrina Category 4 81 km
2005 Rita Category 4 296 km
2005 Cindy Category 1 94 km
2004 Ivan Category 4 241 km
2002 Lili Category 4 182 km
1998 Georges Category 2 151 km
1998 Earl Category 2 242 km
1997 Danny Category 1 101 km
1995 Opal Category 4 284 km
Source: NOAA IBTrACS (Cat 1+, 1980-2026)

Tornado History

549 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 39 fatalities, 825 injuries.

Date Rating Distance Fatalities
Dec 6, 1983 EF4 14 km 0
Oct 3, 1964 EF4 44 km 22
Mar 22, 2022 EF3 36 km 1
Feb 7, 2017 EF3 39 km 0
Feb 7, 2017 EF3 84 km 0
Feb 23, 2016 EF3 65 km 0
May 26, 2011 EF3 77 km 0
Aug 25, 1992 EF3 9 km 2
May 19, 1980 EF3 95 km 0
Apr 26, 1973 EF3 86 km 0
Sep 16, 1971 EF3 78 km 0
Mar 17, 1970 EF3 93 km 0
Dec 25, 1969 EF3 92 km 0
Apr 12, 1969 EF3 53 km 0
Jan 28, 1966 EF3 12 km 0
Mar 21, 1957 EF3 59 km 0
Feb 6, 1953 EF3 61 km 2
Apr 10, 2024 EF2 63 km 0
Feb 8, 2023 EF2 94 km 0
Dec 14, 2022 EF2 9 km 1
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: KILN (BAYOU BACON) (3,576 ac, 2006).

Year Name Acres Distance
2006 KILN (BAYOU BACON) 3,576 99 km
2000 UNIT 1 B 2,030 50 km
1998 UNIT 4 CD 1,729 54 km
2015 BAYOU LACROIX 1,714 97 km
2009 SLIDELL AIRPORT 1,663 68 km
1998 UNIT 7 1,623 53 km
2008 UNNAMED 1,594 73 km
2011 BAD ROMANCE 1,305 49 km
2011 TONEY ISLAND 1,215 95 km
2006 UNNAMED 1,206 63 km
2004 UNITS 1A-1B 1,108 50 km
2006 UNNAMED 1,102 79 km
2001 UNNAMED 950 56 km
2010 UNNAMED 904 8 km
2006 UNNAMED 866 91 km
2009 GOOSEPOINT C 864 53 km
1996 1 B 846 49 km
2006 BOY SCOUT EAST 826 56 km
2006 UNNAMED 823 94 km
1998 UNIT 2 A 821 51 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 54°F (12°C) 5.4 in Coldest
February 55°F (13°C) 5.6 in
March 62°F (16°C) 5.2 in
April 68°F (20°C) 4.6 in
May 75°F (24°C) 5.2 in
June 80°F (27°C) 5.6 in
July 84°F (29°C) 6.9 in Warmest, Wettest
August 82°F (28°C) 6.4 in
September 78°F (26°C) 5.9 in
October 69°F (21°C) 3.4 in Driest
November 61°F (16°C) 4.6 in
December 55°F (13°C) 5.3 in

Norco has a seasonal temperature swing of 30°F / from 54°F in January to 84°F in July. Total annual precipitation is 64.0 inches, with July being the wettest month (6.9") and October the driest (3.4").

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