Pinal County, Arizona Genealogy

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Pinal County, Arizona
Map of Arizona highlighting Pinal County
Location in the state of Arizona
Map of the U.S. highlighting Arizona
Location of Arizona in the U.S.
Founded February 1, 1875
County Seat Florence
Address Pinal County

Superior Court Administration
971 Jason Lopez Circle
Building A
Florence, AZ 85132

United States Gotoarrow.pngArizona Gotoarrow.png Pinal County

Wikipedia has more about this subject: Pinal County, Arizona

County Courthouse

Pinal County Courthouse
100 N Florence
Florence, AZ 85232
Phone: 520-868-6000

Clerk Superior Court has marriage, probate and court records from 1875
and divorce records from 1883; County Recorder has land records [1]


Parent County

  • Until 1821 -  New Spain controlled land that later would become Arizona. Some records of early settlers may have been sent to an archives in Seville, Spain, or to archives in Mexico City.
  • In 1821 - Mexico obtained jurisdiction over the land that later would become Arizona. Records of this period may have been sent to archives in Mexico City.
  • In 1846 - New Mexico Territory was setup, it included land that later would become Arizona.
  • In 1852 - New Mexico Territory created counties that stretched east and west from the Texas border to the California border, including land that became Arizona. Land in present-day Pinal County, Arizona was once part of Socorro and Doña Ana counties of New Mexico.[2] [3] Records during this period may have been sent to courthouses in their respective New Mexico counties.
  • In 1854 -  the Gadsden Purchase was bought from Mexico, it including land that became Pinal County. It was added to the already existing Doña Ana County, of New Mexico. Records from this time period may have been sent to the Doña Ana County, New Mexico courthouse.
  • In 1863 -  Arizona Territory was created from the western half of New Mexico territory. All previous counties were dissolved, and eventually four new counties were created in the new Arizona Territory.

1 February 1875 - Pinal County was created from Pima and Yavapai Counties. County seat: Florence [4]

Boundary Changes

See Previous Jurisdictions to land in Arizona showing dates the jurisdictions were created and where. This will help in determining what jurisdiction your ancestor lived in and where the records are now located.

Record Loss


Populated Places

Adamsville Chiapuk Jackrabbit House Parsons Grove Smelter Town
Ak Chin Chuichu Kearny Picacho Snaketown
Ak-Chin Village Cochran Kelvin Price Sombrero Butte
Apache Junction Coolidge Kohatk Queen Valley Sonora
Arizola Cooper Creek La Palma Randolph South Santan
Arizona City Cottonwood Laguna Ray Stanfield
Avra Dudleyville Magma Ray Junction Stotonic
Bapchule Eleven Mile Corner Mammoth Red Rock Superior
Barkerville Eloy Maricopa Reymert Sweetwater
Blackwater Enid Maricopa Wells Riverside Tat Momoli
Bon Florence Nariska Sacate Tiger
Branaman Florence Junction North Komelik Sacaton Toltec
Burns Fordville North Mammoth Sacaton Flats Troy
Cactus Forest Friendly Corners Oak Wells San Manuel Vaiva Vo
Campo Bonito Gold Camp Olberg Santa Cruz Valley Farms
Casa Blanca Hayden Junction Oracle Santan Wymola
Casa del Oro Heaton Oracle Junction Shopishk Youngberg
Casa Grande Highjinks Palm Springs Sif Vaya

Neighboring Counties



 Arizona Cemetery Transcription and Photo Project


For tips on accessing Pinal County, Arizona Genealogy census records online, see: Arizona Census.


LDS Ward and Branch Records

  • Coolidge
  • Ray
  • Superior



Local Histories






Vital Records

Societies and Libraries

Casa Grande Valley Historical Society
110 W. Florence Blvd.
Casa Grande, AZ 85222
Telephone 520-836-2223
Hours 1-5 M-Sat.

Coolidge Historical Society
161 West Harding Avenue
P.O. Box 1186
Coolidge, Arizona 85228
Telephone 520-723-7186
Hours Sunday 1:00 P.M. –
4:00 P.M. and by request

Pinal County Historical Society
715 S. Main Street
Florence, AZ 85232
Telephone 520-868-4382
Hours 11-4 Tues.-Sat.; 12-4 Sun

Oracle Historical Society
825 E. Mt. Lemmon Rd.
Oracle, AZ 85623
Telephone 520-896-9609
Hours 1-5 Sat. & Sun.

Superior Historical Society
300 Main Street
Superior, AZ 85273
Telephone 520-689-5752
Hours 10-2 Weds., Thurs., Sat.; 11-3 Sun.

Family History Centers

Introduction to Family History Centers
Casa Grande Arizona
1555 N Colorado Dr
Casa Grande, Pinal, Arizona, United States
Telephone: 520-836-7519

San Manuel 1st Arizona
1002 N McNab Pkwy
San Manuel, Pinal, Arizona, United States
Telephone: 520-385-4855

These are not mailing addresses. Due to limited staff, Family History Centers are unable to respond to mail inquiries.

Web Sites


  1. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Pinal County, Arizona p. 56. At various libraries (WorldCat); FHL Book 973 D27e 2002.
  2. William Thorndale, and William Dollarhide, Map Guide to the U.S. Federal Censuses, 1790-1920 (Baltimore: Genealogical Publishing, 1987), 26. At various libraries (WorldCat); FHL Book 973 X2th.
  3. Original Counties of New Mexico Territory (map) at (accessed 9 August 2011).
  4. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).