2025 Compare Cities People:
San Marcos, TX vs Port Arthur, TX

Change Cities
Highlights
- Port Arthur is 0% more densely populated than San Marcos.
- People are 54.7% more likely to be married in Port Arthur.
- The Median Age is 9.6 years older in Port Arthur.
 San Marcos, TXPort Arthur, TXUnited States
 Population  Unlock55,757329,725,481
 Female Population52.5%  Unlock50.5%
 Male Population47.5%  Unlock49.5%
 Median Age  Unlock34.538.4
 space3
 Population - 201045,258  Unlock309,327,143
 Population - 2000  Unlock57,755285,036,114
 Population - 199028,743  Unlock251,960,433
 Pop. 2000 to Now  Unlock-6.6%15.6%
 Pop. 1990 to Now130.8%  Unlock30.8%
 space4
 Population Density  Unlock724.993.4
 Land Area34.0  Unlock3,531,905.4
 Water Area  Unlock67.3264,836.8
 space
 Est. Total Population By Age
 San Marcos, TXPort Arthur, TXUnited States
 Age 0 to 43.7%  Unlock5.9%
 Age 5 to 9  Unlock7.2%6.1%
 Age 10 to 143.6%  Unlock6.6%
 Age 15 to 17  Unlock4.6%3.9%
 Age 18 to 2016.9%  Unlock4.0%
 Age 21 to 24  Unlock5.1%5.2%
 Age 25 to 3417.3%  Unlock13.8%
 Age 35 to 44  Unlock11.8%12.9%
 Age 45 to 546.6%  Unlock12.6%
 Age 55 to 59  Unlock6.6%6.7%
 Age 60 to 643.6%  Unlock6.3%
 Age 65 to 74  Unlock7.2%9.6%
 Age 75 to 841.9%  Unlock4.5%
 Age 85 and over  Unlock1.4%1.9%
 space1
 Race
 San Marcos, TXPort Arthur, TXUnited States
 White45.2%  Unlock59.4%
 Black  Unlock42.6%12.2%
 Asian2.5%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races3.1%  Unlock3.2%
 Hispanic  Unlock32.2%18.4%
 space2
 Marriage & Family
 San Marcos, TXPort Arthur, TXUnited States
 Married Population27.8%  Unlock49.8%
     Currently Married  Unlock40.0%48.0%
 Married but Separated1.6%  Unlock1.8%
 Single Population  Unlock57.0%50.2%
 Never Married61.2%  Unlock33.8%
 Divorced  Unlock11.7%10.8%
 Widowed2.8%  Unlock5.6%
 space5
 Household Size  Unlock2.712.60
 Households25,732  Unlock124,010,992
 Family Households  Unlock12,83880,755,759
     Married couple, w/children21.9%  Unlock30.5%
     Married couple, no children  Unlock30.8%42.9%
 Non Family Households14,680  Unlock43,255,233
     Single householder, w/children  Unlock27.1%15.8%
     Single householder, no children20.6%  Unlock10.8%
Reviews for San Marcos    6 Reviews

An area with so much potential and existing natural beauty.Sadly bad urban planning is clearly obvious.Looks like fun for tens of thousands of students.However for the  More

   |    Reply

Over 16 years ago

San Marcos has the most beautiful people and places that I have ever seen throughout my travels. I love this city so much that I decided to settle down here and start a  More

   |    Reply

Over 17 years ago

I spent several summers and a couple winters in San Marcos during my formidable years and really have to tell those interested about what a nice town it is. The best  More

   |    Reply

Start Your Review of San Marcos

Reviews for Port Arthur    9 Reviews

Port arthur and surrounding areas CONS: hot and very humid summers cant go outside during summer hungry mosquitos chase you. Most pdople on the road especially with  More

   |    Reply

Over 10 years ago

Seattle, here we  More

   |    Reply

Over 11 years ago

I live in the Port Acres area of Port Arthur and I like the rural area very much. I do have to wonder what kind of hallucinogenic drugs he had used prior to writing his  More

   |    Reply

Start Your Review of Port Arthur


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.