Port Arthur, Texas

Port Arthur population, 2020 to 2024

Port Arthur lost 212 residents from July 2020 to July 2024, a change of -0.4%. In the latest year it moved by +4. Among 384 Texas places of 5,000 or more, that growth ranks 317th; the median place changed by +4.5%. The median place of 5,000+ in Texas has 15,345 people, so Port Arthur is 3.6 times that size.

Port Arthur covers 75.55 square miles of land and 47.19 of water, for 739 people per square mile of land. The median Texas place of 5,000+ has 1,561, so Port Arthur is less dense than the typical town.

The 2 counties Port Arthur spans

Port Arthur crosses county lines. The Census county-part estimates split its 55,799 residents as follows; Jefferson County holds 99.8% of them. The shaded shapes are on the map above; dots mark the eight nearest places.

ZIP codes in Port Arthur

3 ZIP Code Tabulation Areas (ZCTAs) overlap Port Arthur by at least 10% of the ZCTA's or the city's land: 77640, 77642, 77655. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Port Arthur is

The Census internal point of Port Arthur is at 29.900000, -93.894400. Austin, the capital, is 231.3 miles W in a straight line. The nearest larger place is Beaumont, TX (112,893 people), 19.7 miles away.

Daylight in Port Arthur

At 29.90° N, Port Arthur gets about 14 h 04 min of daylight around the June solstice and 10 h 13 min around the December solstice, a swing of 3 h 51 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Port Arthur

The eight nearest incorporated places of 1,000+ in Texas, measured between internal points. The closest is Groves, 3.4 miles away, with 16,866 people.