Key Center, Washington Demographics & Population 2026
During the 2020–2024 ACS period, Key Center, Washington had a total population of 3,544, the 236th largest community in Washington, with a median household income of $105,781, which is 8% higher than the state average. The poverty rate is 7.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Center Quick Facts
How Key Center Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 3,619 | 3,544 | -2.1% |
| Median household income | $100,405 | $105,781 | +5.4% |
| Median home value | $558,200 | $613,200 | +9.9% |
How Key Center Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 56 | National average: 61
Education
Educational Attainment (Adults 25+)
Key Center Rankings in Washington
Explore Washington Rankings
Other Cities in Pierce County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Tacoma | 222,758 | $85,884 | 12.4% | $479,600 |
| South Hill | 68,025 | $113,130 | 7.2% | $543,600 |
| Lakewood | 62,937 | $74,720 | 13.2% | $461,200 |
| Puyallup | 42,746 | $97,826 | 7.0% | $551,800 |
| Parkland | 38,742 | $72,239 | 13.0% | $423,000 |
| Graham | 35,079 | $116,862 | 5.9% | $516,700 |
| University Place | 34,911 | $99,031 | 8.2% | $624,800 |
| Spanaway | 34,019 | $98,251 | 8.8% | $445,700 |
| Frederickson | 25,383 | $109,500 | 5.7% | $477,400 |
| Bonney Lake | 22,090 | $136,845 | 4.5% | $607,900 |
Cities Similar to Key Center
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Indianola | 3,468 | $98,684 | $503,800 | 40.7% | 8.2% |
| Warm Beach | 3,442 | $99,940 | $671,100 | 26.8% | 7.5% |
| Burbank | 3,589 | $93,158 | $412,900 | 21.1% | 14.5% |
| Lake Cassidy | 3,292 | $113,403 | $705,000 | 25.0% | 4.9% |
| La Center | 3,883 | $101,708 | $584,600 | 30.0% | 5.7% |
Population Overview
Key Center is a small community located in Washington, within Pierce County. The total population is 3,544. It ranks as the 236th most populous out of 628 Census-designated places in Washington.
Age Demographics
The median age in Key Center is 45.9 years. This is 20% higher than the state median of 38.3 years.
Economy, Income & Housing
The median household income in Key Center is $105,781. This is 8% higher than the state median of $98,141. It is also 31% higher than the national median of $80,734. The poverty rate stands at 7.7%. This is 23% lower than the state poverty rate of 9.9%. The unemployment rate is 6.2%. This is 21% higher than the state rate of 5.1%. The median home value is $613,200. Housing costs are 9% higher than the state median of $564,600. The home-value-to-income ratio is 5.8x. 87.7% of occupied housing units are owner-occupied. This homeownership rate is 38% higher than the state average of 63.8%.
Race & Ethnicity
The largest racial or ethnic group in Key Center is White (non-Hispanic), making up 84.1% of the population. Hispanic or Latino residents account for 4.2%. The Hispanic or Latino population (4.2%) is well below the state average of 14.4%.
Education
30.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 23% lower than the state rate of 39.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.0%.
Data Sources & Methodology
All demographic data for Key Center, Washington 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 Washington state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 628 Census-designated places in Washington. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Key Center, Washington?
Key Center, Washington has a population of 3,544 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Key Center, WA?
The median household income in Key Center is $105,781, which is 31% higher than the national median of $80,734.
What is the poverty rate in Key Center, WA?
The poverty rate in Key Center is 7.7%. This means approximately 272 residents live below the federal poverty line.
What is the racial makeup of Key Center, Washington?
Key Center's population is 84.1% White, 0.0% Black, 4.2% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Key Center, WA?
The median home value in Key Center is $613,200. The home-value-to-income ratio is 5.8x.
How educated is Key Center, Washington?
30.3% of adults (25+) in Key Center hold a bachelor's degree or higher, and 11.2% hold a graduate or professional degree.