2026 Compare Cities People:
Plainsboro, NJ vs St. Augustine Beach, FL

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Highlights
- St. Augustine Beach is 0% more densely populated than Plainsboro.
- People are 16.8% less likely to be married in St. Augustine Beach.
- The Median Age is 11.5 years older in St. Augustine Beach.
 Plainsboro, NJSt. Augustine Beach, FLUnited States
 Population  Unlock6,688329,725,481
 Female Population50.2%  Unlock50.5%
 Male Population49.8%  Unlock49.5%
 Median Age  Unlock49.238.4
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 Population - 201022,986  Unlock309,327,143
 Population - 2000  Unlock4,683285,036,114
 Population - 199014,213  Unlock251,960,433
 Pop. 2000 to Now  Unlock52.4%15.6%
 Pop. 1990 to Now59.8%  Unlock30.8%
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 Population Density  Unlock3,162.293.4
 Land Area11.8  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
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 Est. Total Population By Age
 Plainsboro, NJSt. Augustine Beach, FLUnited States
 Age 0 to 45.6%  Unlock5.9%
 Age 5 to 9  Unlock3.3%6.1%
 Age 10 to 147.7%  Unlock6.6%
 Age 15 to 17  Unlock3.8%3.9%
 Age 18 to 201.7%  Unlock4.0%
 Age 21 to 24  Unlock5.5%5.2%
 Age 25 to 3416.0%  Unlock13.8%
 Age 35 to 44  Unlock16.7%12.9%
 Age 45 to 5416.3%  Unlock12.6%
 Age 55 to 59  Unlock7.5%6.7%
 Age 60 to 645.3%  Unlock6.3%
 Age 65 to 74  Unlock14.2%9.6%
 Age 75 to 842.5%  Unlock4.5%
 Age 85 and over  Unlock1.9%1.9%
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 Race
 Plainsboro, NJSt. Augustine Beach, FLUnited States
 White29.3%  Unlock59.4%
 Black  Unlock0.1%12.2%
 Asian58.3%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races2.0%  Unlock3.2%
 Hispanic  Unlock4.0%18.4%
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 Marriage & Family
 Plainsboro, NJSt. Augustine Beach, FLUnited States
 Married Population63.0%  Unlock49.8%
     Currently Married  Unlock51.7%48.0%
 Married but Separated1.3%  Unlock1.8%
 Single Population  Unlock47.6%50.2%
 Never Married28.3%  Unlock33.8%
 Divorced  Unlock14.2%10.8%
 Widowed3.2%  Unlock5.6%
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 Household Size  Unlock2.392.60
 Households9,806  Unlock124,010,992
 Family Households  Unlock1,68180,755,759
     Married couple, w/children48.9%  Unlock30.5%
     Married couple, no children  Unlock55.3%42.9%
 Non Family Households3,513  Unlock43,255,233
     Single householder, w/children  Unlock6.9%15.8%
     Single householder, no children4.0%  Unlock10.8%
Reviews for Plainsboro    3 Reviews

Over 12 years ago

My wife Rosanne and I have lived in Plainsboro for nearly 30 years. We have raised our three children here. WE LOVE IT!!! The schools are great, the community is  More

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We've lived in several different parts of the country, and when we found out we were moving to NJ due to my husband's new job, we bought into the stereotype and thought,  More

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Over 18 years ago

Plainsboro is clean, safe and quiet with excellent schools, affordable housing and good jobs  More

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Reviews for St. Augustine Beach    1 Reviews

St. Augustine boasts a lovely historic town (the oldest European continuously occupied settlement, 1565) and attractive beaches. It's a fun tourist spot. However the  More

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