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1 Census questions
2 Data availability
3 State rankings
4 Conclusions
5 Notes
6 External links

The Nineteenth United States Census, conducted by the Census Bureau, determined the resident population of the United States to be 203,302,031, an increase of 13.4 percent over the 179,323,175 persons enumerated during the 1960 Census.

Census questions

The 1970 census collected the following information from all respondents (the same as that collected in 1960):[1]

address
name
relationship to head of household
sex
race
age
marital status

Approximately 20 percent of households received a "long form" of the 1970 census, which contained over 100 questions. Full documentation on the 1970 census, including census forms and a procedural history, is available from the Integrated Public Use Microdata Series.

Data availability

Microdata from the 1970 census are freely available through the Integrated Public Use Microdata Series. Aggregate data for small areas, together with electronic boundary files, can be downloaded from the National Historical Geographic Information System.

State rankings

1970 U.S. State Population Rankings Rank State Population
1 California 19,953,000
2 New York 18,237,000
3 Pennsylvania 11,794,000
4 Texas 11,197,000
5 Illinois 11,114,000
6 Ohio 10,652,000
7 Michigan 8,875,000
8 New Jersey 7,168,000
9 Florida 6,789,000
10 Massachusetts 5,689,000
11 Indiana 5,194,000
12 North Carolina 5,082,000
13 Missouri 4,677,000
14 Virginia 4,648,000
15 Georgia 4,590,000
16 Wisconsin 4,418,000
17 Tennessee 3,924,000
18 Maryland 3,922,000
19 Minnesota 3,805,000
20 Louisiana 3,641,000
21 Alabama 3,444,000
22 Washington 3,409,000
23 Kentucky 3,219,000
24 Connecticut 3,032,000
25 Iowa 2,825,000
26 South Carolina 2,591,000
27 Oklahoma 2,559,000
28 Kansas 2,247,000
29 Mississippi 2,217,000
30 Colorado 2,207,000
31 Oregon 2,091,000
32 Arkansas 1,923,000
33 Arizona 1,771,000
34 West Virginia 1,744,000
35 Nebraska 1,483,000
36 Utah 1,059,000
37 New Mexico 1,016,000
38 Maine 992,000
39 Rhode Island 947,000
40 Hawaii 789,000
41 New Hampshire 788,000
x District of Columbia 757,000
42 Idaho 713,000
43 Montana 694,000
44 South Dakota 666,000
45 North Dakota 618,000
46 Delaware 548,000
47 Nevada 489,000
48 Vermont 444,000
49 Wyoming 332,000
50 Alaska 300,000

Conclusions

California took over as the most populous state, New York had previously been ranked number one. While the entire country increased to more than 204 million persons, four states lost population with West Virginia leading the list, down 8 and a half percent from 1960.[2]