Hollenberg, KS has a population of 20 and is the 28,781st largest city in the United States. The population density is 272 per sq mi which is 676% higher than the Kansas average and 200% higher than the national average. The median age in Hollenberg is 65 which is approximately 78% higher than the Kansas average of 36. In Hollenberg, 90% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 20% of Hollenberg residents were born in Kansas, 80% were born out of state, 0% were born outside of the United States and 0% were foreign born.
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The population density in Hollenberg is 676% higher than Kansas.
The median age in Hollenberg is 78% higher than Kansas.
In Hollenberg 100.00% of the population is White.
In Hollenberg 0.00% of the population is Black or African American.