Cambridge, Kentucky Demographics & Population 2026

A note before these figures: with a population of 167, Cambridge'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

Cambridge is a small community located in Kentucky, within Jefferson County. The total population is 167. It ranks as the 487th most populous out of 552 Census-designated places in Kentucky.

Age Demographics

The median age in Cambridge is 42.4 years. This is 8% higher than the state median of 39.1 years. Only 10.8% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Cambridge is $101,429. This is 59% higher than the state median of $63,726. It is also 26% higher than the national median of $80,734. The poverty rate stands at 1.8%. This is 89% 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 4.8%. This is 2% lower than the state rate of 4.9%. The median home value is $256,500. Housing costs are 25% higher than the state median of $205,600. With a home-value-to-income ratio of just 2.5x, Cambridge is one of the most affordable housing markets in the area. 94.2% of occupied housing units are owner-occupied. This homeownership rate is 38% higher than the state average of 68.3%.

Race & Ethnicity

Cambridge has a predominantly White (non-Hispanic) population, comprising 91.6% of all residents. Hispanic or Latino residents account for 3.0%. The Black or African American population (0.6%) is well below the state average of 7.5%.

Education

45.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 64% 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 98.4%. Notably, 23.0% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Cambridge, 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.