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County rankings
Which counties carry the most and least natural hazard risk, from FEMA's data. Each hazard also has its own ranking.
Highest overall risk
FEMA overall risk score, all counties
1Los Angeles County, CA100.0
2Cook County, IL100.0
3Harris County, TX99.9
4Maricopa County, AZ99.9
5Riverside County, CA99.9
6Orange County, CA99.8
8Alameda County, CA99.8
9San Diego County, CA99.7
10Dallas County, TX99.7
11King County, WA99.7
12Santa Clara County, CA99.7
13Miami-Dade County, FL99.6
14Clark County, NV99.6
15Philadelphia County, PA99.6
Lowest-risk large counties
Counties over 500,000 people, lowest risk score first
2Bristol County, MA89.9
3Spokane County, WA90.0
5Plymouth County, MA90.4
6Summit County, OH91.2
7Adams County, CO91.2
9Chester County, PA91.9
10Norfolk County, MA92.0
11Kent County, MI92.2
12Clark County, WA92.2
13Montgomery County, OH92.7
14Delaware County, PA92.9
15Morris County, NJ92.9
Highest losses per resident
Expected yearly loss per person, counties over 100,000 people
1Hawaii County, HI$1,821
3Humboldt County, CA$1,387
4Beaufort County, SC$1,370
5Napa County, CA$1,349
6Terrebonne Parish, LA$1,285
7Anchorage Municipality, AK$1,261
8Santa Cruz County, CA$1,240
9Sonoma County, CA$1,238
10Charleston County, SC$1,226
11St. Louis City, MO$1,192
12Craven County, NC$1,183
13Livingston Parish, LA$1,165
14New Hanover County, NC$1,141
15Brunswick County, NC$1,126
Highest share of homes with flood insurance
NFIP policies as a share of homes, counties over 100,000 people
1Jefferson Parish, LA64.9%
2Orleans Parish, LA51.8%
3Galveston County, TX42.2%
4St. Tammany Parish, LA40.5%
5Beaufort County, SC39.7%
6Miami-Dade County, FL33.4%
7Terrebonne Parish, LA32.1%
9Charleston County, SC31.7%
10Collier County, FL29.5%
11Ascension Parish, LA28.9%
12Livingston Parish, LA26.6%
13Lee County, FL24.2%
15St. Johns County, FL23.2%
Most flood insurance paid
NFIP claims paid since 1978
1Harris County, TX$8.8B
2Orleans Parish, LA$7.3B
3Lee County, FL$4B
4Pinellas County, FL$3.8B
5Jefferson Parish, LA$3.6B
6Ocean County, NJ$2.6B
7Galveston County, TX$2.5B
8Nassau County, NY$2.3B
9St. Bernard Parish, LA$2.2B
10St. Tammany Parish, LA$1.8B
11East Baton Rouge Parish, LA$1.3B
12Harrison County, MS$1.3B
13Jefferson County, TX$1.2B
14Hillsborough County, FL$1.2B
15Collier County, FL$1.1B
States with the most major disasters
Major disaster declarations for natural events since 1953
1California113
2Texas106
3Oklahoma98
4Florida84
5New York83
6Kentucky80
7Tennessee77
8Louisiana76
9Mississippi76
10Missouri76
11Alabama73
12Arkansas73
13West Virginia73
14Iowa72
15Kansas72