Seneca Gardens, Kentucky Demographics & Population 2026

A note before these figures: with a population of 586, Seneca Gardens'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

Seneca Gardens is a small community located in Kentucky, within Jefferson County. The total population is 586. It ranks as the 330th most populous out of 552 Census-designated places in Kentucky.

Age Demographics

The median age in Seneca Gardens is 43.8 years. This is 12% higher than the state median of 39.1 years.

Economy, Income & Housing

The median household income in Seneca Gardens is $120,000. This is 88% higher than the state median of $63,726. It is also 49% higher than the national median of $80,734. The poverty rate stands at 2.4%. This is 85% lower than the state poverty rate of 16.1%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 1.1%. This is 78% lower than the state rate of 4.9%. The median home value is $556,100. Housing costs are 170% higher than the state median of $205,600. The home-value-to-income ratio is 4.6x. 86.3% of occupied housing units are owner-occupied. This homeownership rate is 26% higher than the state average of 68.3%.

Race & Ethnicity

Seneca Gardens has a predominantly White (non-Hispanic) population, comprising 89.8% of all residents. Hispanic or Latino residents account for 6.1%. The Black or African American population (1.0%) is well below the state average of 7.5%.

Education

85.3% of residents aged 25 and older hold a bachelor's degree or higher. This places Seneca Gardens in the top 10% of all cities in the state for educational attainment. This is 209% higher than the state rate of 27.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 99.3%. Notably, 46.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Seneca Gardens, Kentucky 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 Kentucky state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 552 Census-designated places in Kentucky. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.