Rock County, Nebraska Demographics 2026

Population Overview

Rock County is located in Nebraska with a total population of 1,335. It is the 80th most populous county out of 93 in Nebraska.

Age Demographics

The median age in Rock County is 45.2 years. This is 22% higher than the state median of 37.1 years. 11.6% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Rock County is $57,500. This is 23% lower than the state median of $74,985. Compared to the national median of $78,538, household income here is 27% lower. The poverty rate stands at 10.5%. This is 2% higher than the state poverty rate of 10.3%. The unemployment rate is 1.2%. This is 60% lower than the state rate of 3.0%. The median home value is $124,400. Housing costs are 44% lower than the state median of $223,800. With a home-value-to-income ratio of just 2.2x, Rock County is one of the most affordable housing markets in the area. 75.8% of occupied housing units are owner-occupied. This homeownership rate is 14% higher than the state average of 66.5%.

Race & Ethnicity

Rock County has a predominantly White (non-Hispanic) population, comprising 98.4% of all residents. Hispanic or Latino residents account for 0.4%. The Black or African American population (0.1%) is well below the state average of 4.6%. The Hispanic or Latino population (0.4%) is well below the state average of 12.3%.

Education

29.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 15% lower than the state rate of 34.1%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.3%.