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WILLIS VS.
SENECA
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2026 Compare Cities People:
Willis, KS vs Seneca, KS
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Highlights
- Seneca is 0% more densely populated than Willis.
- People are 21.9% less likely to be married in Seneca.
- The Median Age is 22.8 years younger in Seneca.
Willis, KS
Seneca, KS
United States
Population
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2,029
329,725,481
Female Population
40.6%
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50.5%
Male Population
59.4%
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49.5%
Median Age
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44.7
38.4
space3
Population - 2010
39
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309,327,143
Population - 2000
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2,122
285,036,114
Population - 1990
86
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251,960,433
Pop. 2000 to Now
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-2.0%
15.6%
Pop. 1990 to Now
-58.1%
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30.8%
space4
Population Density
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1,227.5
93.4
Land Area
0.2
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3,531,905.4
Water Area
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0.0
264,836.8
space
Est. Total Population By Age
Willis, KS
Seneca, KS
United States
Age 0 to 4
0.0%
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5.9%
Age 5 to 9
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9.7%
6.1%
Age 10 to 14
0.0%
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6.6%
Age 15 to 17
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3.2%
3.9%
Age 18 to 20
0.0%
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4.0%
Age 21 to 24
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3.6%
5.2%
Age 25 to 34
0.0%
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13.8%
Age 35 to 44
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9.2%
12.9%
Age 45 to 54
12.5%
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12.6%
Age 55 to 59
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7.9%
6.7%
Age 60 to 64
12.5%
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6.3%
Age 65 to 74
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10.0%
9.6%
Age 75 to 84
43.8%
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4.5%
Age 85 and over
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7.3%
1.9%
space1
Race
Willis, KS
Seneca, KS
United States
White
87.5%
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59.4%
Black
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0.7%
12.2%
Asian
0.0%
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5.6%
Native American
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0.1%
0.6%
Hawaiian, Pacific Islander
0.0%
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0.2%
Other
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0.0%
0.4%
Two or More Races
0.0%
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3.2%
Hispanic
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5.7%
18.4%
space2
Marriage & Family
Willis, KS
Seneca, KS
United States
Married Population
78.1%
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49.8%
Currently Married
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60.3%
48.0%
Married but Separated
0.0%
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1.8%
Single Population
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39.0%
50.2%
Never Married
6.3%
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33.8%
Divorced
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7.4%
10.8%
Widowed
3.1%
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5.6%
space5
Household Size
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2.23
2.60
Households
14
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124,010,992
Family Households
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556
80,755,759
Married couple, w/children
0.0%
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30.5%
Married couple, no children
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59.5%
42.9%
Non Family Households
4
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43,255,233
Single householder, w/children
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7.4%
15.8%
Single householder, no children
10.0%
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10.8%
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Learn More About Willis, Kansas
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