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1Q70 CENSUS 01= POPUIATIOM CHARACTERISTICS volume I OF THE POPULATION part 17 Iowa Issued February 1973 U. S. DEPARTMENT OF COMMERCE Frederick B. Dent, Secretary Social and Economic Statistics Administration Joseph R. Wright, Jr., Acting Administrator BUREAU OF THE CENSUS Joseph R. Wright, Jr., Acting Director BUREAU Of THE CENSUS Joseph R. Wright, Jr., Acting Director Robert L Hagan, Deputy Director Daniel B. Levine, Associate Director for Demo.graphic Operations David L Kaplan, 1970 Census Coordinator POPULATION DIVISION Moyer Zitter, Chief ACKNOW LEOGMENTS-Many persorni per Bounptne, Barbara A. Boyn, Barnett FOSDIC and computer processing were per ticipated in the various activities of the Denton, Charles D. Jones, and Carlton W. formed in the Computer Services Division 1970 e&nsus. Pdmery direction o I the pro· Pruden. N110mi D. Rothwell made impor· under the supervision of Jemn R. Pepal, gram Wllll perform•d by Conrad Taeuber, tltn1: contribution5 to this work. Chief, and E. Richard Bourdon, C. Thom115 former Associate Director for Demographic OINenna, and James W. Shorn, Assistant Flelds, a&llisted by David L. Kaphm, 1970 Geographic plans and procedures were Division Chiefs. Development of the Cenws Coordinator, and in conjunction dl!veloped in the Geography Division under FOSDIC equipment was directed by William with Paul Fl. Squlru, Associate Dlrootor for the lll.lpervislon of William T. Fay, then M. Gaines, Asslstant Division Chief, and Om Collection &Ad Process~ng, and Joseph Chief, and Robert C. Klove and Gerald J. McRae Anderson. Development of the auto Waksberg, Associate Directof for Stltti$tical Post, Asellltant Division Chiefs, with the matic microfilming equipment was directed Standards and Methodology. assistance o:f Robert E. Durland, Margery H. by Anthony A. Berllnsky. Eliot, and Jacob Silver. Herman H. Festeau This report was planned and written tn the lllSi:sted in the organization of operational Publications planning, editing, composition, ?op1.1lation Divillion under the supervision of pha1111s of the geographic program. Meyer Zltter, Chief, Herman P. Miller, Chief and printing procurement were performed in the Publications Services Division, until Aprl.I 1972, and Paul C. Gliok, Henry D8tlil collection ao:tlvitles were ed"'inistered t>. Sheldon, and Murray S. Weitzmllln, Raymond J. Koski, Acting Chief, by Milton by the Field Division, Richard C. Burt, S. Andersen, John F, Lanham, Jr., Garald A. Astistant Division Cttiets, with the amsunce Chief, and Dean H. Weber, Auistant Divi of Elizabeth A. Larmon and Ruth H. MMlll. Mann, and Wayne H. Ma5511Y. Design of text, sion Chief, with the auistanca of John tabular, and graphic materials was per The following ~ch Chiefs al')d thoir •ltt• Kurtti and Stanley Matchett, as well u the formed by Stuart I. Freeman. ants W4lfit respon sibltl for the material on the directors of the Bureau's data collection il'ldlcated fields of $p8Cilallzation: Emr1,1c centers. Statistics-Tobia lrenler (Chief), Patriole A, Important contributions were made by Robert B. Voight and Sherry L. Courtland Berman, GaHa I. Maller, end Nampeo R. Synems and processing procedures were in the planning and coordination of the Demographic developed undar the direction of Morris MaKennev; Statl$tics-cherks 1970 census program; by Lucille D. Catter· P. Brlnk:m11111 !Chief), Larry H. Long, Robert Gorinson, Assistant Chiaf, Demographic ton In the planning of the tabular materials; l. Rowland, llnd Robert C. $peaklll'; Filrtll· St!ltf. Florence Wright, assisted by Cerwus and by John w.H. Spencer, Sol Dolleck, and ity H. Grabifl (Chief); Orville M. Slye, Erne Wiikins, and Evelyn V. 9tsti.tics-Wilson M. Douglas Fahey in the systems design and Williams, Wll!IS responsible for the clerical Economic Stlltistics-stanley Gl'llel'ltl (Chief), operations for processing the census data. John A. Priebe, huta J. Schneider, and proceclures end Roger o. Lepage, assisted by ThomaS c. Walsh; MM-ioge and Famlty W!Ulam Fl. Ball, Margaret?. Brooks, Howard Statbtics-Robert O. Grymaa !Chief) and N. Hamilton, Judith E. Jone1, Jene S. Arthur J. Norton; Educational and Soci61 Mumay, John Murphy, Jr., and Richard R. library of Congress Card No. 72-600036 Str111tfficatiori-clvarlas E. Johnlion, Jr. Warren, was responsible for the computer (.Chief), Jerry T. Jennings, and lal'ry E. programing. Donald R, Dalzell was respon. Sutlar; Comumer lncome Smimcs-Mitsuo i>ible for the computer procedures and pro SUGGESTED CITATION Ono (Chief), Mary F. HellSl)n, Jo9eph J. grams used for the electronic preparation of Knott, !ill'ld Gootue F. Pmtwaon; and Pov tables in this report. Masey Volk supervised U.S. Bun111u of the Census en:y Statistitt1-Amo I. Wlnard (Ch.lef) and the preparation of the procedures for the CenllWI of Population: 1970 Marie S. Littman. lmportllnt contributions microfilm llod FOSDIC operations. Vol. I, CHARACTERISTICS OF THE to the prOCHGing and review of the data POPULATION 'Nill'lt mllde by Kristin A. ~ and Rock· The manual proceslling and mlcrofilmlng of Part 17, Iowa W41111 Uvlngoton. the questionn111i11u1 and the review of tabul• tion controls were performed in the Data U.S. Govemment Printing Office The procedures for sample selection, sample Pn!paretion Division (formerly Jeffersonv Ille Washington, D.C., 1973 weighting, and computation of sampling Census Operations Division), under the veril!lna1111, 111s -11 111 certain of the nl!W For sale by the direction of Joseph F. Arbena end Robert Superintendent of Documents proeedum for obt!linjng a more 11ocurate L.. Hagan, with the 111SSisttmoe of Cherles L. ccnmt of the populfttion, were d!lwlopect tn U.S. Government Printing Office Adams, John C. Cempbell, and Rex l. Washington, D.C. 20402 the Statilltica'I ~hod• Olvillion, Morton Pullin. William L. Pengbum supervised the Boisen, Chm, llod Rebert H. HallSOll and microfilming operation. Dan N. Hanflng, Watter M. PerkiM., Alltiimnt Division Chi.efs, Mlllistlld by Nora H. Shouse, was responsible awted by William T. A~ ,.. A.. for the tabulation review work. Price $9.50 II VOLUME 1 CHARACTERISTICS OF THE POPULATION PART 11 Iowa This report is one of the 58 numbered parts of Population Census Volume I. Each of these parts contains four chapters, A, B, C, and D, originally published in the PC(1)-A, B, C, and D series of individual reports (except parts 54-58 which contain only chapters A and Bl. As indicated in the listing below there is one numbered part for the United States, each State, the District of Columbia, Puerto Rico, Guam, Virgin Islands, American Samoa, Canal Zone, and Trust Territory of the Pacific Islands. The starting page numbers for chapters A, B, C. and Dare given below; the first page of each chapter presents a list of contents. The present publication includes changes for typographical errors found in some maps and tables after issuance of the series of individual reports, but the tables have not been revised to reflect the corrections listed on pages 6 and 208 for this State. CHAPTERS page Chapter A. Number of Inhabitants 17-1 Chapter B. General Population Characteristics 17-53 Chapter c. General Social and Economic Characteristics 17-201 Chapter o. Detailed Characteristics 17-503 PARTS OF VOLUME I (Parts 1-53 are bound separately; parts 54-58 are bound together in one book. Volume I also includes Part A, entitled "Number of Inhabitants," which consists of each chapter A in the 58 parts listed below assembled together in one report.) U.S. Summary 16 Indiana 31 New Hampshire 46 Utah 2 Alabama 17 Iowa 32 New Jersey 47 Vermont 3 Alaska 18 Kansas 33 New Mexico 48 Virginia 4 Arizona 19 Kentucky 34 New York 49 Washington 5 Arkansas 20 Louisiana 35 North Carolina 50 West Virginia 6 California 21 Maine 36 North Dakota 51 Wisconsin 7 Colorado 22 Maryland 37 Ohio 52 Wyoming 8 Connecticut 23 Massachusetts 38 Oklahoma 53 Puerto Rico 9 Delaware 24 Michigan 39 Oregon 54 Guam 10 Dist. of Columbia 25 Minnesota 40 Pennsylvania 55 Virgin Islands 11 Florida 26 Mississippi 41 Rhode Island 56 American Samoa 12 Georgia 27 Missouri 42 South Carolina 57 Canal Zone 13 Hawaii 28 Montana 43 South Dakota 58 Trust Territory of the Pacific Islands 14 Idaho 29 Nebraska 44 Tennessee 15 Illinois 30 Nevada 45 Texas Ill INTRODUCTION APPENDIXES A. Area Classifications .•••....••.• · · ... · · · · · · · · · • App-1 B. Definitions and Explanations of Subject Characteristics ... App-7 C. Accuracy of the Oat11 • • • • • • • • • • • • • • • • •••• • • • • • App-52 D. Publication and Computer Summary Tape Program . • . App-61 GENERAL .•.•.••••••....••.•••• IV Chapter A presents statistics on naires and instruction sheets. Ap· (npn.lzatlon of the text • . • . • . IV the number of inhabitants; chapter 8, pendix C presents information on Content of the tables . • • • • • .. • • • • • . IV basic demographic characteristics; sources of error in the data, sampling Sample slztl ••••••••.•••• , • . • • • . • IV chapter C, general social and economic variability, ratio estimation, editing Compurabllh:y of data IA different characteristics; and chapter D, detailed procedures, and information on alloca· chapters ........................ v characteristics. (For the outlying areas tion tables. Appendix D summarizes Derived figures (pen:ems. mecfl-, etc.I ........................... V other than Puerto Rico, all the data on the data dissemination program of the Symbols ......................... v characteristics of the population will 1970 census. Boundaries .. .. • .. .. .. • • • • • . .. .. V be included in chapter B.J For a description