Population of Jefferson County, Kansas:
Census 2010 and 2000 Interactive Map, Demographics, Statistics, Graphs, Quick Facts
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| Jefferson County, Kansas - Overview | 2010 Census | 2000 Census | 2000-2010 Change | ||||||
| Counts | Percentages | Counts | Percentages | Change | Percentages | ||||
| Total Population | |||||||||
| Total Population | 19,126 | 100.00% | 18,426 | 100.00% | 700 | 3.80% | |||
| Population by Race | |||||||||
| American Indian and Alaska native alone | 171 | 0.89% | 170 | 0.92% | 1 | 0.59% | |||
| Asian alone | 39 | 0.20% | 31 | 0.17% | 8 | 25.81% | |||
| Black or African American alone | 104 | 0.54% | 69 | 0.37% | 35 | 50.72% | |||
| Native Hawaiian and Other Pacific native alone | 6 | 0.03% | 2 | 0.01% | 4 | 200.00% | |||
| Some other race alone | 60 | 0.31% | 77 | 0.42% | -17 | -22.08% | |||
| Two or more races | 327 | 1.71% | 259 | 1.41% | 68 | 26.25% | |||
| White alone | 18,419 | 96.30% | 17,818 | 96.70% | 601 | 3.37% | |||
| Population by Hispanic or Latino Origin (of any race) | |||||||||
| Persons of Hispanic or Latino Origin | 339 | 1.77% | 236 | 1.28% | 103 | 43.64% | |||
| Persons Not of Hispanic or Latino Origin | 18,787 | 98.23% | 18,190 | 98.72% | 597 | 3.28% | |||
| Population by Gender | |||||||||
| Male | 9,698 | 50.71% | 9,333 | 50.65% | 365 | 3.91% | |||
| Female | 9,428 | 49.29% | 9,093 | 49.35% | 335 | 3.68% | |||
| Population by Age | |||||||||
| Persons 0 to 4 years | 1,097 | 5.74% | 1,178 | 6.39% | -81 | -6.88% | |||
| Persons 5 to 17 years | 3,628 | 18.97% | 3,868 | 20.99% | -240 | -6.20% | |||
| Persons 18 to 64 years | 11,449 | 59.86% | 11,022 | 59.82% | 427 | 3.87% | |||
| Persons 65 years and over | 2,952 | 15.43% | 2,358 | 12.80% | 594 | 25.19% | |||