Rock County, NE Population

Overview

1,321

Total Population

41.5

Median age

47.77%

Female population %

109.4:100

Gender ratio (M:F)

60-64 years

Largest age group

70.7

Total dependency ratio

White

Largest racial group

8

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Rock County's population is old compared to the rest of the country:

The median age in Rock County is 41.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Rock County's population under 18 was 22.26%, compared to the 22.51% nationwide.
Rock County's elderly or the senior population (over 65 age) was 24.53% as compared to 16.04% nationwide.
Of the total population in Rock County, 16.88% were under the age of 15, 17.87% aged 15 to 29, 40.73% aged 30 to 64, 19.45% aged 65 to 84, and 5.07% were 85 years of age and older.

There are 59 less females than males in Rock County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 47.77% females and 52.23% males in Rock County, NE.
The Rock County, NE gender ratio is 109.4:100 i.e. 109.4 men to 100 women (1.094).
For male population, the largest age group is 60-64 years with a population of 78.
For the female population, the largest age group is 35-39 years with a population of 59.

Rock County's population is moderately diverse:

Racial distribution of Rock County population: 98.26% are White, 0.68% are Black or African American, 0.45% are American Indian and Alaska Native and 0.61% are multiracial.
Rock County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 8 is Hispanic or Latino (of any race), and 1,313 (99.39% of the total population) is Non-Hispanic.
The largest racial group in Rock County is White with a population of 1,298 (98.26% of the total population).

Rock County's population has already reached its peak and is showing a trend of decline:

The peak population was 1,742 in the year 2000
From 2000 to 2010, Rock County's population decreased by 218 (12.51%), as compared to the national growth of 9.63%.
From 2010 to 2020, Rock County's population decreased by 258 (16.93%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Rock County's population was lowest in year 2022 at 1,245.