Biggest Cities in Texas - 1980 Census Data

Rank	City	1980 Population	Growth Rate (Annual)
1	Houston	1,595,138	2.6%
2	Dallas	904,078	0.7%
3	San Antonio	785,880	1.9%
4	El Paso	425,259	2.8%
5	Fort Worth	385,164	-0.2%
6	Austin	345,496	3.2%
7	Corpus Christi	231,999	1.3%
8	Lubbock	173,979	1.6%
9	Arlington	160,113	–

In 1980, the largest city in Texas was Houston, with a population of 1,595,138. The second largest city is Dallas, with a population of 904,078.