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Population Review

Census ACS 2023 · 13 states

West Region

The West region includes 13 states from the Rockies to the Pacific and covers the largest geographic area. It includes California (the most populous state), the tech hubs of Seattle and San Francisco, and vast rural stretches. The West has the highest racial diversity, significant immigrant populations, and the widest range of climates and landscapes.

78,646,122

Total Population

13

States

$82,886

Avg Median Income

38.0

Avg Median Age

States in the West

Source: Census ACS 2023 5-Year Estimates

#StatePopulationMedian IncomeMedian AgeHome ValueBachelor's+
1Wyoming579,761$74,81538.8$285,10029.9%
2Washington7,740,984$94,95238.2$519,80038.8%
3Utah3,331,187$91,75031.7$455,00036.9%
4Oregon4,238,714$80,42640.1$454,20036.2%
5New Mexico2,114,768$62,12539.2$232,20030.2%
6Nevada3,141,000$75,56138.9$406,10027.4%
7Montana1,105,072$69,92240.2$338,10034.5%
8Idaho1,893,296$74,63637.1$376,00031.2%
9Hawaii1,445,635$98,31740.6$808,20035.5%
10Colorado5,810,774$92,47037.5$502,20044.7%
11California39,242,785$96,33437.6$695,40036.5%
12Arizona7,268,175$76,87238.8$358,90032.6%
13Alaska733,971$89,33635.6$333,30031.2%

Other Regions

Frequently Asked Questions

The West region includes 13 states: California, Washington, Arizona, Colorado, Oregon, Utah, Nevada, New Mexico, Idaho, Hawaii, Montana, Alaska, Wyoming.

The West region has a combined population of 78,646,122, representing 23.7% of the total US population.

The average median household income across West states is $82,886. Individual states range widely — see the table above for state-by-state details.

Regional aggregates calculated from state-level ACS 2023 5-Year data. Averages are unweighted across states.