Sewickley Heights, Pennsylvania Demographics & Population 2026

A note before these figures: with a population of 690, Sewickley Heights's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Sewickley Heights is a small community located in Pennsylvania, within Allegheny County. The total population is 690. It ranks as the 1191st most populous out of 1,991 Census-designated places in Pennsylvania.

Age Demographics

The median age in Sewickley Heights is 52.1 years. This is 27% higher than the state median of 40.9 years. 11.7% 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 Sewickley Heights is $203,214. This is 161% higher than the state median of $77,971. It is also 152% higher than the national median of $80,734. The poverty rate stands at 1.2%. This is 90% 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 3.7%. This is 29% lower than the state rate of 5.3%. The median home value is $1,062,500. Housing costs are 317% higher than the state median of $254,500. The home-value-to-income ratio is 5.2x. 88.6% of occupied housing units are owner-occupied. This homeownership rate is 28% higher than the state average of 69.3%.

Race & Ethnicity

Sewickley Heights has a predominantly White (non-Hispanic) population, comprising 93.9% of all residents. Black or African American residents account for 2.9%. The Black or African American population (2.9%) is well below the state average of 10.3%. The Hispanic or Latino population (0.4%) is well below the state average of 8.7%.

Education

71.3% of residents aged 25 and older hold a bachelor's degree or higher. This places Sewickley Heights in the top 10% of all cities in the state for educational attainment. This is 103% 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 98.9%. Notably, 42.8% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Sewickley Heights, 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.