United States Census 1980

United States Census 1980
Raised on	April 1, 1980
population	226.545.805
Change from 1970	+ 11.4%
Most populous state	California 23,699,000
Lowest population state	Alaska 400,000

The 1980 United States Census was the 20th census in the United States since 1790 . It was carried out by the United States Census Bureau .

Results

As of April 1, 1980, there were 226,545,805 people in the United States. The population grew by 11.4 percent compared to 1970. The most populous state was California with 23.7 million inhabitants, the smallest was Alaska with 400,000 for the last time . In 1985, Wyoming replaced Alaska as the most populous state.

The state population figures from the 10-year United States censuses are key to determining the number of representatives from those states in the United States House of Representatives . The adjustment is usually made in the next but one Congress after a census.

States by population

U.S. states by population in 1980.

rank	State	population
1	California	23,669,000
2	new York	17,557,000
3	Texas	14,228,000
4th	Pennsylvania	11,867,000
5	Illinois	11,419,000
6th	Ohio	10,797,000
7th	Florida	9,739,000
8th	Michigan	9,259,000
9	New Jersey	7,364,000
10	North Carolina	5,874,000
11	Massachusetts	5,737,000
12	Indiana	5,491,000
13	Georgia	5,464,000
14th	Virginia	5,346,000
15th	Missouri	4,917,000
16	Wisconsin	4,706,000
17th	Tennessee	4,591,000
18th	Maryland	4,216,000
19th	Louisiana	4,203,000
20th	Washington	4,130,000
21st	Minnesota	4,077,000
22nd	Alabama	3,891,000
23	Kentucky	3,661,000
24	South carolina	3,119,000
25th	Connecticut	3,107,000
26th	Oklahoma	3,026,000
27	Iowa	2,914,000
28	Colorado	2,890,000
29	Arizona	2,718,000
30th	Oregon	2,632,000
31	Mississippi	2,520,000
32	Kansas	2,363,000
33	Arkansas	2,285,000
34	West Virginia	1,950,000
35	Nebraska	1,570,000
36	Utah	1,461,000
37	New Mexico	1,299,000
38	Maine	1,125,000
39	Hawaii	985,000
40	Rhode Island	948,000
41	Idaho	945,000
42	New Hampshire	921,000
43	Nevada	799,000
44	Montana	787,000
45	South Dakota	690,000
46	North Dakota	654,000
...	District of Columbia	638,000
47	Delaware	596,000
48	Vermont	512,000
49	Wyoming	471,000
50	Alaska	400,000

Cities by population

The 20 most populous cities in the United States by population in 1970.

rank	city	State	population
1	New York City	new York	7,071,639
2	Chicago	Illinois	3,005,072
3	los Angeles	California	2,966,850
4th	Philadelphia	Pennsylvania	1,688,210
5	Houston	Texas	1,595,138
6th	Detroit	Michigan	1,203,339
7th	Dallas	Texas	904.078
8th	San Diego	California	875,538
9	Phoenix	Arizona	789.704
10	Baltimore	Maryland	786.775
11	San Antonio	Texas	785.880
12	Indianapolis	Indiana	700,807
13	San Francisco	California	678.974
14th	Memphis	Tennessee	646.356
15th	Washington, DC	District of Columbia	638.333
16	Milwaukee	Wisconsin	636.212
17th	San Jose	California	629,442
18th	Cleveland	Ohio	573,822
19th	Columbus	Ohio	564,871
20th	Boston	Massachusetts	562.994

Individual evidence

1. ↑ Section 1: Population. (PDF; 8.0 MB) on: census.gov