Monroe city, Washington Demographics & Population 2026

Population Overview

Monroe city is a small city located in Washington. The total population is 19,696. It ranks as the 75th most populous out of 631 cities and towns in Washington.

Age Demographics

The median age in Monroe city is 35.1 years. This is 8% lower than the state median of 38.2 years.

Economy, Income & Housing

The median household income in Monroe city is $107,556. This is 13% higher than the state median of $94,952. Compared to the national median of $78,538, household income here is 37% higher. The poverty rate stands at 7.0%. This is 29% lower than the state poverty rate of 9.9%. The unemployment rate is 4.4%. This is 12% lower than the state rate of 5.0%. The median home value is $594,300. Housing costs are 14% higher than the state median of $519,800. The home-value-to-income ratio is 5.5x. 70.7% of occupied housing units are owner-occupied. This homeownership rate is 11% higher than the state average of 63.9%.

Race & Ethnicity

The largest racial or ethnic group in Monroe city is White (non-Hispanic), making up 65.2% of the population. Hispanic or Latino residents account for 17.5%.

Education

26.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 31% lower than the state rate of 38.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.3%.

Data Sources & Methodology

All demographic data for Monroe city, Washington is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Washington state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 631 Census-designated places in Washington. For official data, visit data.census.gov.