Rose Valley, Pennsylvania Demographics & Population 2026

Population Overview

Rose Valley is a small community located in Pennsylvania, within Delaware County. The total population is 1,225. It ranks as the 893rd most populous out of 1,991 Census-designated places in Pennsylvania.

Age Demographics

The median age in Rose Valley is 42.9 years. This is 5% higher than the state median of 40.9 years. With 32.0% of the population under 18, Rose Valley has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Rose Valley is $246,875. This is 217% higher than the state median of $77,971. It is also 206% higher than the national median of $80,734. The poverty rate stands at 2.9%. This is 75% lower than the state poverty rate of 11.7%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 1.5%. This is 72% lower than the state rate of 5.3%. The median home value is $751,100. Housing costs are 195% higher than the state median of $254,500. The home-value-to-income ratio is 3.0x. 98.0% of occupied housing units are owner-occupied. This homeownership rate is 41% higher than the state average of 69.3%.

Race & Ethnicity

The largest racial or ethnic group in Rose Valley is White (non-Hispanic), making up 80.3% of the population. Black or African American residents account for 7.2%. The Hispanic or Latino population (2.7%) is well below the state average of 8.7%.

Education

87.4% of residents aged 25 and older hold a bachelor's degree or higher. This places Rose Valley in the top 10% of all cities in the state for educational attainment. This is 149% higher than the state rate of 35.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 99.9%. Notably, 54.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Rose Valley, Pennsylvania is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Pennsylvania state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,991 Census-designated places in Pennsylvania. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.