Walnut Creek, Arizona Demographics & Population 2026

A note before these figures: with a population of 556, Walnut Creek'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

Walnut Creek is a small community located in Arizona, within Mohave County. The total population is 556. It ranks as the 270th most populous out of 441 Census-designated places in Arizona.

Age Demographics

The median age in Walnut Creek is 61.4 years. This is 57% higher than the state median of 39.0 years. Only 7.0% of residents are under 18, indicating fewer families with children. 15.1% 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 Walnut Creek is $45,824. This is 43% lower than the state median of $79,964. It is also 43% lower than the national median of $80,734. The poverty rate stands at 8.8%. This is 29% lower than the state poverty rate of 12.5%. The unemployment rate is 4.9%. This is 4% lower than the state rate of 5.1%. The median home value is $248,600. Housing costs are 37% lower than the state median of $394,500. The home-value-to-income ratio is 5.4x. 92.2% of occupied housing units are owner-occupied. This homeownership rate is 37% higher than the state average of 67.4%.

Race & Ethnicity

Walnut Creek has a predominantly White (non-Hispanic) population, comprising 91.5% of all residents. The White (non-Hispanic) population is significantly higher than the state average (91.5% vs 52.6%).

Education

14.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 57% lower than the state rate of 33.3%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 86.2%.

Data Sources & Methodology

All demographic data for Walnut Creek, Arizona 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 Arizona state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 441 Census-designated places in Arizona. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.