Sex Ratio by U.S. County (2000 – 2017)

Between 2000 and 2017, the male population grew slightly faster than the female population. This decline resulted in the sex ration (males per 100 females) increasing from 97.1 in 2000 to 98.7 in 2017.

Despite this increase, the sex ration in the U.S. decreased durin most of the twentieth century. After a peak of 106.2 in 1910, the sex ratio declined to a low of 94.5 in 1980. This lond decline resulted mainly from the relatively larger reduction in female mortality rates during the period. The sex ratio then increased between 1980 and 1990, as male death rates declined faster than female death rates and as more male immigrants tham femalie immigrants entered the country.


Male to female sex ratio
Sex ratio is calculated as the number of males per 100 females.

Sex Raito by U.S. County
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Sex Raito by U.S. County, 2017

U.S. Counties With the Most Men (2017)

  1. Crowley County (Colorado) – 276 men to 100 women
  2. Forest County (Pennsylvania) – 218 men to 100 women
  3. Aleutians East Borough (Alaska) – 213 men to 100 women
  4. Aleutians West Census Area (Alaska) – 199 men to 100 women
  5. Garza County (Texas) – 190 men to 100 women
  6. Bent County (Colorado) – 190 men to 100 women
  7. West Feliciana Parish (Louisiana) – 190 men to 100 women
  8. Union County (Florida) – 190 men to 100 women
  9. Chattahoochee County (Georgia) – 190 men to 100 women
  10. Brown County (Illinois) – 187 men to 100 women
  11. Wheeler County (Georgia) – 185 men to 100 women
  12. Pershing County (Nevada) – 181 men to 100 women
  13. Lake County (Tennessee) – 177 men to 100 women
  14. Stewart County (Georgia) – 175 men to 100 women
  15. Jones County (Texas) – 170 men to 100 women
  16. DeKalb County (Missouri) – 169 men to 100 women
  17. Greensville County (Virginia) – 167 men to 100 women
  18. Lassen County (California) – 167 men to 100 women
  19. North Slope Borough (Alaska) – 165 men to 100 women
  20. Powell County (Montana) – 164 men to 100 women

U.S. Counties With the Most Women (2017)

  1. Pulaski County (Georgia) – 75 men to 100 women
  2. Livingston County (Missouri) – 78 men to 100 women
  3. Summers County (West Virginia) – 82 men to 100 women
  4. Franklin city (Virginia) – 83 men to 100 women
  5. Audrain County (Missouri) – 84 men to 100 women
  6. Macon County (Alabama) – 84 men to 100 women
  7. Sumter County (Alabama) – 84 men to 100 women
  8. Emporia city (Virginia) – 84 men to 100 women
  9. Fluvanna County (Virginia) – 84 men to 100 women
  10. Staunton city (Virginia) – 85 men to 100 women
  11. Marion County (South Carolina) – 85 men to 100 women
  12. Randolph County (Georgia) – 85 men to 100 women
  13. Petersburg city (Virginia) – 85 men to 100 women
  14. Martinsville city (Virginia) – 85 men to 100 women
  15. Dallas County (Alabama) – 86 men to 100 women
  16. Fredericksburg city (Virginia) – 86 men to 100 women
  17. Dougherty County (Georgia) – 86 men to 100 women
  18. Coahoma County (Mississippi) – 86 men to 100 women
  19. Danville city (Virginia) – 86 men to 100 women
  20. Galax city (Virginia) – 86 men to 100 women
  21. Edgecombe County (North Carolina) – 86 men to 100 women
  22. Niobrara County (Wyoming) – 86 men to 100 women
  23. Colonial Heights city (Virginia) – 87 men to 100 women
  24. Bolivar County (Mississippi) – 87 men to 100 women
  25. Early County (Georgia) – 87 men to 100 women

www.vividmaps.com
Data: census.gov

Related posts:
Leading minority group by U.S. county (1990 – 2017)
– Leading group by U.S. county (1990 – 2017)
– American Indian Population by County (1990 – 2017)
– U.S. Asian Population by County (1990 – 2017)
– U.S. Black Population by County (1990 – 2017)
– U.S. Hispanic Population by County (1990 – 2017)
– U.S. Non-Hispanic White Population by County (1990 – 2017)
– U.S. Population Density

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