2026 Compare Cities People:
Oak Harbor, WA vs Petaluma, CA

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Highlights
- Petaluma is 0% more densely populated than Oak Harbor.
- People are 9.1% less likely to be married in Petaluma.
- The Median Age is 11.7 years older in Petaluma.
 Oak Harbor, WAPetaluma, CAUnited States
 Population  Unlock60,050329,725,481
 Female Population52.7%  Unlock50.5%
 Male Population47.3%  Unlock49.5%
 Median Age  Unlock42.838.4
 space3
 Population - 201022,212  Unlock309,327,143
 Population - 2000  Unlock54,548285,036,114
 Population - 199017,176  Unlock251,960,433
 Pop. 2000 to Now  Unlock11.2%15.6%
 Pop. 1990 to Now37.7%  Unlock30.8%
 space4
 Population Density  Unlock4,175.493.4
 Land Area9.6  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
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 Est. Total Population By Age
 Oak Harbor, WAPetaluma, CAUnited States
 Age 0 to 410.8%  Unlock5.9%
 Age 5 to 9  Unlock5.5%6.1%
 Age 10 to 147.9%  Unlock6.6%
 Age 15 to 17  Unlock4.0%3.9%
 Age 18 to 202.4%  Unlock4.0%
 Age 21 to 24  Unlock3.0%5.2%
 Age 25 to 3419.6%  Unlock13.8%
 Age 35 to 44  Unlock13.7%12.9%
 Age 45 to 546.7%  Unlock12.6%
 Age 55 to 59  Unlock7.4%6.7%
 Age 60 to 644.2%  Unlock6.3%
 Age 65 to 74  Unlock11.1%9.6%
 Age 75 to 843.2%  Unlock4.5%
 Age 85 and over  Unlock2.6%1.9%
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 Race
 Oak Harbor, WAPetaluma, CAUnited States
 White59.7%  Unlock59.4%
 Black  Unlock1.3%12.2%
 Asian8.7%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.5%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races8.1%  Unlock3.2%
 Hispanic  Unlock21.6%18.4%
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 Marriage & Family
 Oak Harbor, WAPetaluma, CAUnited States
 Married Population58.7%  Unlock49.8%
     Currently Married  Unlock51.8%48.0%
 Married but Separated1.9%  Unlock1.8%
 Single Population  Unlock46.6%50.2%
 Never Married25.0%  Unlock33.8%
 Divorced  Unlock11.6%10.8%
 Widowed5.1%  Unlock5.6%
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 Household Size  Unlock2.612.60
 Households9,593  Unlock124,010,992
 Family Households  Unlock15,05980,755,759
     Married couple, w/children38.8%  Unlock30.5%
     Married couple, no children  Unlock45.5%42.9%
 Non Family Households3,247  Unlock43,255,233
     Single householder, w/children  Unlock11.6%15.8%
     Single householder, no children7.1%  Unlock10.8%
Reviews for Oak Harbor    6 Reviews

The new high school addition looks great, but the quality of the education is lacking. The worst I would have to say, is the English dept. All of the senior parents were  More

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Over 18 years ago

I have found Oak Harbor to be a nice place to live in general, but still feel it is too secluded for me personally. There is not a lot to do as far as night life or  More

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Over 18 years ago

Windy, dreary, wet and noisy. A great place if you're a slug or  More

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Start Your Review of Oak Harbor

Reviews for Petaluma    16 Reviews

I agree with the low star reviews. Been here for 25 years, raised a family and seen everything turn to the left and worse. Weather is glorious, love the old Victorians  More

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We’ve lived here for 3 years and we love it. It has taken some time to grow on us. We moved from SF where we had lived over 15 years, we were not used to one year leases  More

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I’ve lived here a couple of years (after living in others parts of the Bay Area for 15+ years) and I love it! Great neighborhoods, friendly folks, good schools with  More

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