2026 Compare Cities People:
Post Falls, ID vs Arlington, WA

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Highlights
- Arlington is 0% more densely populated than Post Falls.
- People are 8.9% more likely to be married in Arlington.
- The Median Age is 5.1 years older in Arlington.
 Post Falls, IDArlington, WAUnited States
 Population  Unlock19,832329,725,481
 Female Population52.1%  Unlock50.5%
 Male Population47.9%  Unlock49.5%
 Median Age  Unlock39.238.4
 space3
 Population - 201027,950  Unlock309,327,143
 Population - 2000  Unlock11,713285,036,114
 Population - 19907,349  Unlock251,960,433
 Pop. 2000 to Now  Unlock79.9%15.6%
 Pop. 1990 to Now429.8%  Unlock30.8%
 space4
 Population Density  Unlock2,023.593.4
 Land Area14.6  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Post Falls, IDArlington, WAUnited States
 Age 0 to 48.3%  Unlock5.9%
 Age 5 to 9  Unlock6.0%6.1%
 Age 10 to 148.1%  Unlock6.6%
 Age 15 to 17  Unlock3.9%3.9%
 Age 18 to 203.6%  Unlock4.0%
 Age 21 to 24  Unlock4.5%5.2%
 Age 25 to 3414.6%  Unlock13.8%
 Age 35 to 44  Unlock16.7%12.9%
 Age 45 to 549.5%  Unlock12.6%
 Age 55 to 59  Unlock5.7%6.7%
 Age 60 to 645.6%  Unlock6.3%
 Age 65 to 74  Unlock7.2%9.6%
 Age 75 to 843.3%  Unlock4.5%
 Age 85 and over  Unlock2.1%1.9%
 space1
 Race
 Post Falls, IDArlington, WAUnited States
 White87.2%  Unlock59.4%
 Black  Unlock1.6%12.2%
 Asian0.6%  Unlock5.6%
 Native American  Unlock0.7%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races5.2%  Unlock3.2%
 Hispanic  Unlock14.0%18.4%
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 Marriage & Family
 Post Falls, IDArlington, WAUnited States
 Married Population52.1%  Unlock49.8%
     Currently Married  Unlock54.8%48.0%
 Married but Separated1.5%  Unlock1.8%
 Single Population  Unlock43.2%50.2%
 Never Married28.0%  Unlock33.8%
 Divorced  Unlock12.6%10.8%
 Widowed5.7%  Unlock5.6%
 space5
 Household Size  Unlock2.642.60
 Households13,352  Unlock124,010,992
 Family Households  Unlock5,16880,755,759
     Married couple, w/children34.6%  Unlock30.5%
     Married couple, no children  Unlock42.0%42.9%
 Non Family Households3,690  Unlock43,255,233
     Single householder, w/children  Unlock11.1%15.8%
     Single householder, no children11.4%  Unlock10.8%
Reviews for Post Falls    6 Reviews

In moving here I knew about the snow. Not a matter of if but how much. What I didn't know was how windy it gets and how often. I also didn't know about the dust. It's  More

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Over 7 years ago

Moved here from Seattle in 2018. Even though the population is under 40,000 it doesn't feel like small town Mayberry. The biggest mistake I see happening is the building  More

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Post Falls had great potential; too bad the city planning committee blew it! It's such a disorganized bunch of housing communities built just what looks like where ever  More

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Reviews for Arlington    4 Reviews

Over 9 years ago

Arlington is a nice area, however the property taxes are very high. We built a home here in 2015 . The home is similar to the one we lived in in Arlington's "twin" city  More

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Arlington is north of Seattle. Like the entire Greater Seattle area, the quality of life is easy going. The weather is generally gentle all year long. A little snow in  More

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Over 17 years ago

We live on the West side of I-5, area known as Smokey Point/Lakewood/7 Lakes. As do several other family members. The area still has a very rural feeling without driving  More

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