|
| Rank |
County |
Average |
Lower Bound |
Upper Bound |
| 1 |
Queens County, NY |
41.7 |
40.7 |
42.7 |
| 2 |
Richmond County, NY |
41.3 |
38.9 |
43.8 |
| 3 |
Bronx County, NY |
40.8 |
40.1 |
41.5 |
| 4 |
Kings County, NY |
39.7 |
38.7 |
40.6 |
| 5 |
Prince William County, VA |
36.4 |
34.6 |
38.2 |
| 6 |
Prince George's County, MD |
35.5 |
34.3 |
36.8 |
| 7 |
McHenry County, IL |
35.1 |
32.9 |
37.3 |
| 8 |
Nassau County, NY |
33.2 |
32.1 |
34.3 |
| 9 |
Orange County, NY |
32.5 |
29.0 |
36.0 |
| 10 |
Contra Costa County, CA |
32.1 |
30.9 |
33.2 |
| 10 |
Will County, IL |
32.1 |
30.6 |
33.6 |
| 10 |
Montgomery County, MD |
32.1 |
31.1 |
33.1 |
| 13 |
Middlesex County, NJ |
31.9 |
30.6 |
33.2 |
| 14 |
Monmouth County, NJ |
31.8 |
30.2 |
33.4 |
| 15 |
Rockland County, NY |
31.4 |
30.4 |
32.4 |
| 16 |
Dutchess County, NY |
31.2 |
29.2 |
33.2 |
| 17 |
Ocean County, NJ |
31.0 |
29.1 |
32.9 |
| 18 |
Riverside County, CA |
30.8 |
29.5 |
32.2 |
| 18 |
Gwinnett County, GA |
30.8 |
29.7 |
31.9 |
| 18 |
Cook County, IL |
30.8 |
30.3 |
31.2 |
| 21 |
Westchester County, NY |
30.7 |
29.4 |
31.9 |
| 21 |
Fairfax County, VA |
30.7 |
29.9 |
31.5 |
| 23 |
Solano County, CA |
30.6 |
28.1 |
33.1 |
| 23 |
Plymouth County, MA |
30.6 |
29.2 |
32.0 |
| 25 |
Essex County, NJ |
30.2 |
28.4 |
32.0 |
| 26 |
Cobb County, GA |
30.1 |
28.9 |
31.4 |
| 26 |
Lake County, IL |
30.1 |
29.6 |
30.7 |
| 28 |
Howard County, MD |
30.0 |
28.5 |
31.4 |
| 28 |
Fort Bend County, TX |
30.0 |
28.6 |
31.3 |
| 30 |
New York County, NY |
29.8 |
28.9 |
30.7 |
| 31 |
Philadelphia County, PA |
29.4 |
28.5 |
30.3 |
| 31 |
Montgomery County, TX |
29.4 |
27.5 |
31.3 |
| 33 |
Santa Cruz County, CA |
29.3 |
26.6 |
32.0 |
| 33 |
Suffolk County, NY |
29.3 |
28.0 |
30.6 |
| 35 |
Miami-Dade County, FL |
29.0 |
28.2 |
29.7 |
| 35 |
Baltimore city, MD |
29.0 |
26.8 |
31.2 |
| 37 |
Hudson County, NJ |
28.9 |
27.4 |
30.3 |
| 37 |
Pierce County, WA |
28.9 |
27.6 |
30.2 |
| 39 |
Los Angeles County, CA |
28.7 |
28.3 |
29.1 |
| 39 |
Clayton County, GA |
28.7 |
26.6 |
30.9 |
| 39 |
Norfolk County, MA |
28.7 |
27.4 |
30.0 |
| 42 |
Morris County, NJ |
28.6 |
27.0 |
30.3 |
| 43 |
San Francisco County, CA |
28.5 |
28.0 |
29.0 |
| 43 |
Pasco County, FL |
28.5 |
26.6 |
30.4 |
| 45 |
District of Columbia, DC |
28.4 |
27.7 |
29.1 |
| 45 |
Snohomish County, WA |
28.4 |
27.0 |
29.8 |
| 47 |
DeKalb County, GA |
28.3 |
27.1 |
29.5 |
| 47 |
Bergen County, NJ |
28.3 |
27.0 |
29.6 |
| 49 |
San Bernardino County, CA |
28.1 |
27.1 |
29.1 |
| 49 |
Rockingham County, NH |
28.1 |
26.8 |
29.5 |
| 51 |
Somerset County, NJ |
28.0 |
26.1 |
30.0 |
| 52 |
Anne Arundel County, MD |
27.7 |
26.5 |
28.8 |
| 53 |
Kane County, IL |
27.6 |
26.3 |
29.0 |
| 54 |
Alameda County, CA |
27.2 |
26.4 |
28.0 |
| 55 |
Middlesex County, MA |
27.1 |
26.4 |
27.9 |
| 55 |
Collin County, TX |
27.1 |
26.0 |
28.1 |
| 57 |
San Joaquin County, CA |
27.0 |
25.3 |
28.7 |
| 57 |
DuPage County, IL |
27.0 |
26.1 |
27.8 |
| 57 |
Harris County, TX |
27.0 |
26.5 |
27.6 |
| 60 |
Suffolk County, MA |
26.8 |
25.4 |
28.1 |
| 60 |
Mercer County, NJ |
26.8 |
25.1 |
28.5 |
| 60 |
Montgomery County, PA |
26.8 |
25.7 |
27.8 |
| 63 |
Fairfield County, CT |
26.7 |
25.6 |
27.9 |
| 64 |
Lake County, IN |
26.6 |
25.1 |
28.2 |
| 64 |
Camden County, NJ |
26.6 |
25.3 |
28.0 |
| 64 |
Bucks County, PA |
26.6 |
25.3 |
27.8 |
| 64 |
Chester County, PA |
26.6 |
25.3 |
27.9 |
| 68 |
Broward County, FL |
26.5 |
26.0 |
26.9 |
| 68 |
Gloucester County, NJ |
26.5 |
24.6 |
28.3 |
| 70 |
Burlington County, NJ |
26.4 |
24.5 |
28.3 |
| 70 |
Delaware County, PA |
26.4 |
25.2 |
27.5 |
| 72 |
Baltimore County, MD |
26.3 |
25.2 |
27.4 |
| 72 |
Anoka County, MN |
26.3 |
25.1 |
27.6 |
| 74 |
Stanislaus County, CA |
26.1 |
23.8 |
28.4 |
| 75 |
Essex County, MA |
26.0 |
24.7 |
27.2 |
| 75 |
Union County, NJ |
26.0 |
24.6 |
27.3 |
| 75 |
Williamson County, TX |
26.0 |
24.3 |
27.6 |
| 78 |
San Diego County, CA |
25.9 |
25.3 |
26.5 |
| 78 |
Adams County, CO |
25.9 |
24.6 |
27.2 |
| 78 |
St. Charles County, MO |
25.9 |
24.5 |
27.3 |
| 81 |
Worcester County, MA |
25.8 |
25.0 |
26.7 |
| 82 |
Northampton County, PA |
25.7 |
23.2 |
28.2 |
| 83 |
Orange County, CA |
25.6 |
25.0 |
26.1 |
| 83 |
Lee County, FL |
25.6 |
24.2 |
27.1 |
| 83 |
Seminole County, FL |
25.6 |
23.9 |
27.3 |
| 83 |
Honolulu County, HI |
25.6 |
24.9 |
26.2 |
| 87 |
King County, WA |
25.4 |
24.7 |
26.1 |
| 88 |
Orange County, FL |
25.3 |
24.3 |
26.2 |
| 88 |
Oakland County, MI |
25.3 |
24.6 |
26.0 |
| 90 |
Denton County, TX |
25.2 |
24.2 |
26.3 |
| 91 |
Genesee County, MI |
25.1 |
23.7 |
26.5 |
| 92 |
Jefferson County, CO |
25.0 |
24.1 |
25.9 |
| 92 |
Fulton County, GA |
25.0 |
23.8 |
26.2 |
| 92 |
Macomb County, MI |
25.0 |
24.2 |
25.7 |
| 92 |
Passaic County, NJ |
25.0 |
23.7 |
26.4 |
| 92 |
Mecklenburg County, NC |
25.0 |
24.0 |
25.9 |
| 97 |
Arapahoe County, CO |
24.8 |
23.7 |
25.8 |
| 98 |
Maricopa County, AZ |
24.7 |
24.2 |
25.2 |
| 98 |
Bristol County, MA |
24.7 |
23.2 |
26.2 |
| 100 |
Hillsborough County, NH |
24.6 |
23.5 |
25.7 |
| 101 |
Ventura County, CA |
24.5 |
23.1 |
25.9 |
| 102 |
Jefferson Parish, LA |
24.4 |
23.0 |
25.9 |
| 102 |
Shelby County, TN |
24.4 |
22.8 |
26.0 |
| 102 |
Tarrant County, TX |
24.4 |
23.7 |
25.0 |
| 105 |
Sonoma County, CA |
24.3 |
22.8 |
25.7 |
| 105 |
Dallas County, TX |
24.3 |
23.8 |
24.9 |
| 107 |
Hillsborough County, FL |
24.2 |
23.4 |
25.1 |
| 108 |
Monterey County, CA |
24.1 |
22.1 |
26.0 |
| 108 |
San Mateo County, CA |
24.1 |
22.9 |
25.2 |
| 110 |
Washington County, OR |
23.8 |
22.6 |
24.9 |
| 110 |
Allegheny County, PA |
23.8 |
23.1 |
24.5 |
| 110 |
Galveston County, TX |
23.8 |
22.2 |
25.5 |
| 113 |
Palm Beach County, FL |
23.7 |
22.5 |
24.9 |
| 113 |
Polk County, FL |
23.7 |
22.2 |
25.2 |
| 115 |
Placer County, CA |
23.6 |
21.7 |
25.5 |
| 115 |
Sacramento County, CA |
23.6 |
22.9 |
24.4 |
| 117 |
Wayne County, MI |
23.5 |
22.9 |
24.1 |
| 118 |
Santa Clara County, CA |
23.4 |
22.4 |
24.3 |
| 118 |
Madison County, IL |
23.4 |
22.0 |
24.8 |
| 118 |
York County, PA |
23.4 |
22.2 |
24.6 |
| 121 |
Duval County, FL |
23.3 |
22.4 |
24.1 |
| 122 |
Brevard County, FL |
23.2 |
22.1 |
24.4 |
| 122 |
Volusia County, FL |
23.2 |
21.4 |
25.0 |
| 122 |
Westmoreland County, PA |
23.2 |
21.9 |
24.5 |
| 125 |
Pinellas County, FL |
23.1 |
22.2 |
24.0 |
| 125 |
Lorain County, OH |
23.1 |
21.7 |
24.5 |
| 127 |
Clackamas County, OR |
23.0 |
21.4 |
24.5 |
| 127 |
Multnomah County, OR |
23.0 |
22.5 |
23.6 |
| 127 |
Bexar County, TX |
23.0 |
22.3 |
23.7 |
| 130 |
Pima County, AZ |
22.9 |
22.4 |
23.3 |
| 130 |
New Castle County, DE |
22.9 |
22.4 |
23.5 |
| 130 |
Travis County, TX |
22.9 |
22.0 |
23.8 |
| 133 |
New Haven County, CT |
22.8 |
21.8 |
23.7 |
| 133 |
Dakota County, MN |
22.8 |
21.7 |
23.8 |
| 133 |
Jackson County, MO |
22.8 |
21.8 |
23.8 |
| 136 |
Clark County, NV |
22.7 |
22.0 |
23.3 |
| 136 |
Butler County, OH |
22.7 |
21.6 |
23.9 |
| 138 |
Denver County, CO |
22.6 |
21.3 |
23.8 |
| 138 |
Orleans Parish, LA |
22.6 |
21.5 |
23.8 |
| 138 |
Chesterfield County, VA |
22.6 |
21.5 |
23.7 |
| 141 |
Wake County, NC |
22.5 |
21.5 |
23.6 |
| 141 |
Cuyahoga County, OH |
22.5 |
21.6 |
23.4 |
| 141 |
Marion County, OR |
22.5 |
20.8 |
24.1 |
| 144 |
Cumberland County, ME |
22.4 |
20.5 |
24.3 |
| 144 |
Clark County, WA |
22.4 |
20.9 |
23.9 |
| 146 |
Jefferson County, AL |
22.3 |
21.4 |
23.1 |
| 147 |
Mobile County, AL |
22.2 |
20.9 |
23.6 |
| 147 |
Hennepin County, MN |
22.2 |
21.4 |
22.9 |
| 147 |
St. Louis County, MO |
22.2 |
21.6 |
22.9 |
| 150 |
Summit County, OH |
22.1 |
21.1 |
23.2 |
| 151 |
Berks County, PA |
22.0 |
20.6 |
23.3 |
| 152 |
St. Clair County, IL |
21.7 |
19.9 |
23.5 |
| 152 |
Washtenaw County, MI |
21.7 |
20.6 |
22.8 |
| 152 |
Cumberland County, NC |
21.7 |
19.5 |
23.9 |
| 152 |
Virginia Beach city, VA |
21.7 |
20.8 |
22.7 |
| 156 |
Marion County, IN |
21.6 |
20.6 |
22.6 |
| 156 |
Atlantic County, NJ |
21.6 |
20.2 |
22.9 |
| 158 |
Kern County, CA |
21.5 |
20.1 |
22.9 |
| 158 |
Ramsey County, MN |
21.5 |
20.5 |
22.6 |
| 158 |
St. Louis city, MO |
21.5 |
20.2 |
22.8 |
| 158 |
Lehigh County, PA |
21.5 |
19.7 |
23.2 |
| 158 |
Charleston County, SC |
21.5 |
20.0 |
23.1 |
| 163 |
New London County, CT |
21.4 |
19.5 |
23.3 |
| 163 |
Providence County, RI |
21.4 |
20.6 |
22.2 |
| 163 |
Hamilton County, TN |
21.4 |
20.0 |
22.8 |
| 166 |
Hartford County, CT |
21.3 |
20.5 |
22.1 |
| 166 |
Spartanburg County, SC |
21.3 |
19.8 |
22.8 |
| 168 |
Tulare County, CA |
21.2 |
20.3 |
22.1 |
| 168 |
Boulder County, CO |
21.2 |
19.6 |
22.9 |
| 170 |
St. Joseph County, IN |
21.1 |
18.8 |
23.3 |
| 170 |
East Baton Rouge Parish, LA |
21.1 |
19.7 |
22.5 |
| 170 |
Hamilton County, OH |
21.1 |
20.3 |
21.9 |
| 170 |
Greenville County, SC |
21.1 |
19.9 |
22.3 |
| 170 |
Milwaukee County, WI |
21.1 |
20.3 |
22.0 |
| 170 |
Waukesha County, WI |
21.1 |
20.2 |
22.0 |
| 176 |
Escambia County, FL |
20.9 |
19.6 |
22.2 |
| 176 |
Manatee County, FL |
20.9 |
19.0 |
22.7 |
| 176 |
Spokane County, WA |
20.9 |
19.2 |
22.6 |
| 179 |
Jefferson County, KY |
20.8 |
19.7 |
21.9 |
| 179 |
Stark County, OH |
20.8 |
19.4 |
22.2 |
| 181 |
Fresno County, CA |
20.7 |
19.5 |
21.9 |
| 181 |
San Luis Obispo County, CA |
20.7 |
18.3 |
23.1 |
| 181 |
El Paso County, CO |
20.7 |
19.7 |
21.7 |
| 181 |
Sarasota County, FL |
20.7 |
19.3 |
22.1 |
| 181 |
Hampden County, MA |
20.7 |
20.1 |
21.3 |
| 181 |
Davidson County, TN |
20.7 |
19.9 |
21.4 |
| 181 |
Cameron County, TX |
20.7 |
18.8 |
22.5 |
| 188 |
Montgomery County, OH |
20.6 |
19.3 |
21.8 |
| 188 |
Lancaster County, PA |
20.6 |
19.3 |
21.9 |
| 188 |
Knox County, TN |
20.6 |
19.4 |
21.7 |
| 191 |
Lucas County, OH |
20.5 |
19.2 |
21.9 |
| 192 |
Franklin County, OH |
20.4 |
20.1 |
20.7 |
| 192 |
Davis County, UT |
20.4 |
18.9 |
21.9 |
| 194 |
Winnebago County, IL |
20.3 |
19.0 |
21.7 |
| 194 |
Ingham County, MI |
20.3 |
18.8 |
21.8 |
| 194 |
Hidalgo County, TX |
20.3 |
19.0 |
21.6 |
| 197 |
Forsyth County, NC |
20.1 |
18.6 |
21.6 |
| 197 |
Dauphin County, PA |
20.1 |
18.7 |
21.5 |
| 197 |
Luzerne County, PA |
20.1 |
18.5 |
21.7 |
| 197 |
Henrico County, VA |
20.1 |
18.9 |
21.3 |
| 201 |
Richland County, SC |
20.0 |
18.7 |
21.2 |
| 201 |
El Paso County, TX |
20.0 |
19.3 |
20.8 |
| 203 |
Mahoning County, OH |
19.9 |
18.3 |
21.6 |
| 204 |
Madison County, AL |
19.7 |
18.6 |
20.7 |
| 205 |
Caddo Parish, LA |
19.6 |
17.7 |
21.4 |
| 205 |
Salt Lake County, UT |
19.6 |
18.9 |
20.3 |
| 207 |
Erie County, NY |
19.5 |
18.7 |
20.2 |
| 208 |
Guilford County, NC |
19.4 |
18.4 |
20.4 |
| 209 |
Fayette County, KY |
19.3 |
18.0 |
20.6 |
| 209 |
Onondaga County, NY |
19.3 |
17.7 |
20.8 |
| 209 |
Utah County, UT |
19.3 |
17.8 |
20.8 |
| 212 |
Bernalillo County, NM |
19.1 |
18.1 |
20.2 |
| 212 |
Oklahoma County, OK |
19.1 |
18.1 |
20.1 |
| 214 |
Albany County, NY |
19.0 |
18.1 |
19.9 |
| 215 |
Johnson County, KS |
18.9 |
18.1 |
19.7 |
| 215 |
Kent County, MI |
18.9 |
18.1 |
19.6 |
| 215 |
Dane County, WI |
18.9 |
17.9 |
19.8 |
| 218 |
Washoe County, NV |
18.8 |
17.6 |
20.0 |
| 219 |
Monroe County, NY |
18.6 |
17.9 |
19.2 |
| 220 |
Anchorage Municipality, AK |
18.3 |
17.7 |
18.9 |
| 221 |
Ada County, ID |
18.2 |
17.3 |
19.1 |
| 221 |
Erie County, PA |
18.2 |
16.6 |
19.8 |
| 223 |
Santa Barbara County, CA |
18.1 |
16.6 |
19.5 |
| 223 |
Tulsa County, OK |
18.1 |
17.2 |
19.0 |
| 225 |
Allen County, IN |
18.0 |
17.2 |
18.8 |
| 226 |
Douglas County, NE |
17.8 |
17.4 |
18.2 |
| 227 |
Pulaski County, AR |
17.7 |
16.3 |
19.1 |
| 228 |
Sedgwick County, KS |
17.2 |
16.5 |
18.0 |
| 229 |
Lane County, OR |
17.1 |
16.1 |
18.1 |
| 230 |
Lancaster County, NE |
16.8 |
15.8 |
17.7 |
| 231 |
Polk County, IA |
16.6 |
15.9 |
17.3 |
| 232 |
Lubbock County, TX |
16.5 |
15.2 |
17.8 |
| 233 |
Nueces County, TX |
16.3 |
15.4 |
17.2 |
| |

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