2025 Compare Cities People:
Spanaway, WA vs Castle Rock, CO

Change Cities
Highlights
- Castle Rock is 0% more densely populated than Spanaway.
- People are 22.0% more likely to be married in Castle Rock.
- The Median Age is 4.0 years older in Castle Rock.
 Spanaway, WACastle Rock, COUnited States
 Population  Unlock71,037329,725,481
 Female Population49.2%  Unlock50.5%
 Male Population50.9%  Unlock49.5%
 Median Age  Unlock35.738.4
 space3
 Population - 201028,054  Unlock309,327,143
 Population - 2000  Unlock20,224285,036,114
 Population - 199015,001  Unlock251,960,433
 Pop. 2000 to Now  Unlock248.9%15.6%
 Pop. 1990 to Now120.3%  Unlock30.8%
 space4
 Population Density  Unlock2,073.293.4
 Land Area8.8  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Spanaway, WACastle Rock, COUnited States
 Age 0 to 46.7%  Unlock5.9%
 Age 5 to 9  Unlock8.2%6.1%
 Age 10 to 148.1%  Unlock6.6%
 Age 15 to 17  Unlock5.3%3.9%
 Age 18 to 203.5%  Unlock4.0%
 Age 21 to 24  Unlock3.6%5.2%
 Age 25 to 3417.5%  Unlock13.8%
 Age 35 to 44  Unlock16.2%12.9%
 Age 45 to 5411.3%  Unlock12.6%
 Age 55 to 59  Unlock6.1%6.7%
 Age 60 to 644.0%  Unlock6.3%
 Age 65 to 74  Unlock6.1%9.6%
 Age 75 to 842.6%  Unlock4.5%
 Age 85 and over  Unlock1.0%1.9%
 space1
 Race
 Spanaway, WACastle Rock, COUnited States
 White52.2%  Unlock59.4%
 Black  Unlock0.5%12.2%
 Asian6.6%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander5.3%  Unlock0.2%
 Other  Unlock0.6%0.4%
 Two or More Races11.0%  Unlock3.2%
 Hispanic  Unlock11.0%18.4%
 space2
 Marriage & Family
 Spanaway, WACastle Rock, COUnited States
 Married Population51.3%  Unlock49.8%
     Currently Married  Unlock61.8%48.0%
 Married but Separated1.8%  Unlock1.8%
 Single Population  Unlock37.5%50.2%
 Never Married32.4%  Unlock33.8%
 Divorced  Unlock10.0%10.8%
 Widowed2.7%  Unlock5.6%
 space5
 Household Size  Unlock2.832.60
 Households11,304  Unlock124,010,992
 Family Households  Unlock19,11280,755,759
     Married couple, w/children33.8%  Unlock30.5%
     Married couple, no children  Unlock37.4%42.9%
 Non Family Households2,838  Unlock43,255,233
     Single householder, w/children  Unlock8.6%15.8%
     Single householder, no children11.0%  Unlock10.8%
Reviews for Spanaway    6 Reviews

I have been living in Spanaway since 1973 ... over the years I’ve seen its ups and downs ... and lately its been down. This is due, in large part, to the immigrants from  More

   |    Reply

I picked up my daughter from SeaTac last night around midnight and mentally prepared to make our way south through the detours of the train derailment in Dupont. We  More

   |    Reply

One of the most beautiful places to live. However, it is very far away from my family and it does not get hot enough for me in the summer. The rain and winter darkness  More

   |    Reply

Start Your Review of Spanaway

Reviews for Castle Rock    12 Reviews

My fiance and I moved here in 2018 shortly after finishing college. I work in Colorado Springs and she works in the Denver area, so Castle Rock was practically our only  More

   |    Reply

Over 7 years ago

I have always been mobile for my career, until I moved to Castle Rock. I've lived in in multiple cities in the Midwest including Chicago and have visited nearly every  More

   |    Reply

Over 11 years ago

we have four seasons, and the rockies are only two hrs.away. so for the outdoors enthusist sking or hiking is like no other place you have been or seen it is hard to  More

   |    Reply

Start Your Review of Castle Rock


Premium Subscription
Includes Cost of Living compares for child care, utilities, transportation, health, taxes, housing for home owners vs renters, weather, insurance premiums and so much more.


The premier source for comprehensive city data for over 30 years.

© Best Places. All rights reserved.