Ranking of US Counties By Number of Births in 2015
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2015, the Number of Births for the United States was 3.99M. Among all US counties, Los Angeles County had the highest number of births (128.54K), followed by Harris County (72.30K), and Cook County (69.51K).
On the other hand, Kalawao County had the lowest number of births (0) followed by King County (2), and Loving County (2).
The chart below shows the top 10 counties with high number of births, and the table below shows the ranking of the top 200 US counties.
You can see similar ranking information for related topics. You can also see links at the bottom of the page for the ranking of counties for each state.
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Related Topics: US Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Ranking of US Counties By Number of Births in 2015
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| Rank | County | Number of Births |
|---|---|---|
| 1 | Los Angeles County, CA | 128536 |
| 2 | Harris County, TX | 72303 |
| 3 | Cook County, IL | 69505 |
| 4 | Maricopa County, AZ | 55664 |
| 5 | San Diego County, CA | 44442 |
| 6 | Kings County, NY | 41999 |
| 7 | Dallas County, TX | 40128 |
| 8 | Orange County, CA | 38565 |
| 9 | Miami-Dade County, FL | 32081 |
| 10 | San Bernardino County, CA | 31277 |
| 11 | Queens County, NY | 30566 |
| 12 | Riverside County, CA | 30534 |
| 13 | Tarrant County, TX | 28570 |
| 14 | Bexar County, TX | 28139 |
| 15 | Clark County, NV | 27227 |
| 16 | King County, WA | 25244 |
| 17 | Santa Clara County, CA | 23691 |
| 18 | Wayne County, MI | 23288 |
| 19 | Philadelphia County, PA | 22700 |
| 20 | Broward County, FL | 22157 |
| 21 | Bronx County, NY | 21482 |
| 22 | Sacramento County, CA | 19776 |
| 23 | Alameda County, CA | 19494 |
| 24 | Franklin County, OH | 18874 |
| 25 | New York County, NY | 18295 |
| 26 | Salt Lake County, UT | 17601 |
| 27 | Middlesex County, MA | 17507 |
| 28 | Hillsborough County, FL | 17288 |
| 29 | Hennepin County, MN | 16755 |
| 30 | Travis County, TX | 16389 |
| 31 | Orange County, FL | 16383 |
| 32 | Hidalgo County, TX | 16332 |
| 33 | Suffolk County, NY | 15817 |
| 34 | Fresno County, CA | 15657 |
| 35 | Fairfax County, VA | 15385 |
| 36 | Cuyahoga County, OH | 14988 |
| 37 | Marion County, IN | 14593 |
| 38 | Mecklenburg County, NC | 14592 |
| 39 | Palm Beach County, FL | 14565 |
| 40 | Nassau County, NY | 14316 |
| 41 | Kern County, CA | 14080 |
| 42 | Milwaukee County, WI | 13980 |
| 43 | Shelby County, TN | 13695 |
| 43 | El Paso County, TX | 13695 |
| 44 | Oakland County, MI | 13486 |
| 45 | Montgomery County, MD | 13177 |
| 46 | Allegheny County, PA | 13175 |
| 47 | Honolulu County, HI | 12995 |
| 48 | Duval County, FL | 12822 |
| 49 | Fulton County, GA | 12793 |
| 50 | Wake County, NC | 12764 |
| 51 | Contra Costa County, CA | 12569 |
| 52 | Oklahoma County, OK | 12555 |
| 53 | Prince George's County, MD | 12496 |
| 54 | Utah County, UT | 11921 |
| 55 | St. Louis County, MO | 11843 |
| 56 | Gwinnett County, GA | 11759 |
| 57 | Pima County, AZ | 11742 |
| 58 | Pierce County, WA | 11514 |
| 59 | DeKalb County, GA | 11111 |
| 60 | Hamilton County, OH | 11096 |
| 61 | DuPage County, IL | 10935 |
| 62 | Collin County, TX | 10797 |
| 63 | Westchester County, NY | 10774 |
| 64 | Erie County, NY | 10367 |
| 65 | Davidson County, TN | 10357 |
| 66 | Ventura County, CA | 10315 |
| 67 | Hudson County, NJ | 10237 |
| 68 | Fairfield County, CT | 10189 |
| 68 | Essex County, NJ | 10189 |
| 69 | Baltimore County, MD | 10070 |
| 70 | Jefferson County, KY | 10042 |
| 71 | San Joaquin County, CA | 9978 |
| 72 | Denton County, TX | 9916 |
| 73 | Cobb County, GA | 9750 |
| 74 | Snohomish County, WA | 9732 |
| 75 | Tulsa County, OK | 9658 |
| 76 | Fort Bend County, TX | 9654 |
| 77 | Middlesex County, NJ | 9585 |
| 78 | Hartford County, CT | 9562 |
| 79 | Suffolk County, MA | 9482 |
| 80 | Multnomah County, OR | 9463 |
| 81 | El Paso County, CO | 9436 |
| 82 | Bergen County, NJ | 9432 |
| 83 | Jackson County, MO | 9401 |
| 84 | Denver County, CO | 9365 |
| 85 | Macomb County, MI | 9357 |
| 86 | San Mateo County, CA | 9168 |
| 87 | San Francisco County, CA | 9103 |
| 88 | Jefferson County, AL | 8992 |
| 89 | Baltimore city, MD | 8928 |
| 90 | Kent County, MI | 8871 |
| 91 | Montgomery County, PA | 8804 |
| 92 | New Haven County, CT | 8802 |
| 93 | Douglas County, NE | 8755 |
| 94 | Pinellas County, FL | 8665 |
| 95 | Essex County, MA | 8550 |
| 96 | Ocean County, NJ | 8510 |
| 97 | Monroe County, NY | 8460 |
| 98 | Worcester County, MA | 8450 |
| 99 | Arapahoe County, CO | 8132 |
| 100 | Bernalillo County, NM | 7936 |
| 101 | Lake County, IL | 7930 |
| 102 | Will County, IL | 7927 |
| 103 | Ramsey County, MN | 7794 |
| 104 | Stanislaus County, CA | 7673 |
| 105 | Polk County, FL | 7523 |
| 106 | Johnson County, KS | 7511 |
| 107 | Tulare County, CA | 7507 |
| 108 | Providence County, RI | 7448 |
| 109 | Adams County, CO | 7368 |
| 110 | Norfolk County, MA | 7337 |
| 111 | Sedgwick County, KS | 7259 |
| 112 | Cameron County, TX | 7248 |
| 113 | Lancaster County, PA | 7187 |
| 114 | Montgomery County, TX | 7101 |
| 115 | Washington County, OR | 7046 |
| 116 | Polk County, IA | 6969 |
| 117 | Anne Arundel County, MD | 6962 |
| 118 | Passaic County, NJ | 6953 |
| 119 | Delaware County, PA | 6821 |
| 120 | Union County, NJ | 6777 |
| 121 | Kane County, IL | 6771 |
| 122 | Prince William County, VA | 6717 |
| 123 | Montgomery County, OH | 6647 |
| 124 | Lee County, FL | 6635 |
| 125 | New Castle County, DE | 6580 |
| 126 | Monterey County, CA | 6454 |
| 127 | Williamson County, TX | 6439 |
| 128 | Greenville County, SC | 6415 |
| 129 | Bell County, TX | 6378 |
| 130 | Camden County, NJ | 6231 |
| 131 | East Baton Rouge Parish, LA | 6198 |
| 132 | Dane County, WI | 6184 |
| 133 | Guilford County, NC | 6176 |
| 134 | Virginia Beach city, VA | 6128 |
| 135 | Summit County, OH | 6089 |
| 136 | Jefferson Parish, LA | 6001 |
| 137 | Lake County, IN | 5986 |
| 138 | Spokane County, WA | 5957 |
| 139 | Davis County, UT | 5888 |
| 140 | Jefferson County, CO | 5843 |
| 141 | Santa Barbara County, CA | 5809 |
| 142 | Monmouth County, NJ | 5778 |
| 143 | Bucks County, PA | 5739 |
| 144 | Chester County, PA | 5729 |
| 145 | Mobile County, AL | 5691 |
| 146 | Bristol County, MA | 5662 |
| 146 | Lucas County, OH | 5662 |
| 147 | Pulaski County, AR | 5640 |
| 148 | Clark County, WA | 5639 |
| 149 | Cumberland County, NC | 5471 |
| 150 | Washoe County, NV | 5460 |
| 151 | Webb County, TX | 5420 |
| 152 | Onondaga County, NY | 5339 |
| 152 | Knox County, TN | 5339 |
| 153 | Dakota County, MN | 5307 |
| 154 | Solano County, CA | 5282 |
| 155 | Allen County, IN | 5273 |
| 155 | Richmond County, NY | 5273 |
| 156 | Plymouth County, MA | 5243 |
| 157 | Rockland County, NY | 5218 |
| 158 | Brevard County, FL | 5197 |
| 159 | Loudoun County, VA | 5188 |
| 160 | Ada County, ID | 5187 |
| 161 | Hampden County, MA | 5178 |
| 162 | Nueces County, TX | 5138 |
| 163 | Charleston County, SC | 5079 |
| 164 | Sonoma County, CA | 5066 |
| 165 | Orleans Parish, LA | 5047 |
| 166 | York County, PA | 4955 |
| 167 | Pasco County, FL | 4944 |
| 168 | Richland County, SC | 4910 |
| 169 | Brazoria County, TX | 4885 |
| 170 | Orange County, NY | 4879 |
| 171 | Volusia County, FL | 4842 |
| 172 | Berks County, PA | 4834 |
| 173 | Genesee County, MI | 4818 |
| 174 | Morris County, NJ | 4741 |
| 175 | Anchorage Borough, AK | 4644 |
| 176 | Seminole County, FL | 4578 |
| 177 | St. Louis city, MO | 4575 |
| 178 | Butler County, OH | 4536 |
| 179 | Burlington County, NJ | 4534 |
| 180 | Pinal County, AZ | 4509 |
| 181 | St. Charles County, MO | 4475 |
| 182 | Forsyth County, NC | 4407 |
| 183 | Marion County, OR | 4406 |
| 184 | Clayton County, GA | 4404 |
| 185 | Durham County, NC | 4345 |
| 186 | Onslow County, NC | 4296 |
| 187 | Stark County, OH | 4235 |
| 188 | Hillsborough County, NH | 4231 |
| 189 | Hamilton County, TN | 4223 |
| 190 | Lubbock County, TX | 4212 |
| 191 | Madison County, AL | 4208 |
| 192 | Osceola County, FL | 4173 |
| 193 | Mercer County, NJ | 4161 |
| 194 | Henrico County, VA | 4157 |
| 195 | Anoka County, MN | 4123 |
Ranking of Counties By Number of Births in 2015 for each US State
Use the following links to see the ranking of counties by number of births for each of the following US states.
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