2018 Iowa precinct and election shapefile.

## RDH Date retrieval
07/12/2020

## Sources
Election results from IA Secretary of State: https://sos.iowa.gov/elections/results/index.html
Precinct shapefile primarily from IA Secretary of State: https://sos.iowa.gov/shapefiles/

## Fields metadata

Vote Column Label Format
------------------------
Columns reporting votes follow a standard label pattern. One example is:
G16PREDCli
The first character is G for a general election, P for a primary, S for a special, and R for a runoff.
Characters 2 and 3 are the year of the election.
Characters 4-6 represent the office type (see list below).
Character 7 represents the party of the candidate.
Characters 8-10 are the first three letters of the candidate's last name.

Office Codes
A## - Ballot amendment, where ## is an identifier
AGR - Commissioner of Agriculture
ATG - Attorney General
AUD - Auditor
CFO - Chief Financial Officer
CHA - Council Chairman
COC - Corporation Commissioner
COM - Comptroller
CON - State Controller
COU - City Council Member
CSC - Clerk of the Supreme Court
DEL - Delegate to the U.S. House
GOV - Governor
H## - U.S. House, where ## is the district number. AL: at large.
HOD - House of Delegates, accompanied by a HOD_DIST column indicating district number
HOR - U.S. House, accompanied by a HOR_DIST column indicating district number
INS - Insurance Commissioner
LAB - Labor Commissioner
LND - Commissioner of Public/State Lands
LTG - Lieutenant Governor
MAY - Mayor
MNI - State Mine Inspector
PSC - Public Service Commissioner
PUC - Public Utilities Commissioner
RGT - State University Regent
SAC - State Appeals Court
SBE - State Board of Education
SOC - Secretary of Commonwealth
SOS - Secretary of State
SPI - Superintendent of Public Instruction
SPL - Commissioner of School and Public Lands
SSC - State Supreme Court
TAX - Tax Commissioner
TRE - Treasurer
UBR - University Board of Regents/Trustees/Governors
USS - U.S. Senate

Party Codes
D and R will always represent Democrat and Republican, respectively.
See the state-specific notes for the remaining codes used in a particular file; note that third-party candidates may appear on the ballot under different party labels in different states.

## Fields
G18GOVRREY - Kim Reynolds (Republican Party)
G18GOVDHUB - Fred Hubbell (Democratic Party)
G18GOVLPOR - Jake Porter (Libertarian Party)
G18GOVOSIE - Gary Siegwarth (Clear Water Party)
G18GOVOWRI - Write-in Votes

G18ATGDMIL - Tom Miller (Democratic Party)
G18ATGLBAT - Marco Battaglia (Libertarian Party)
G18ATGOWRI - Write-in Votes

G18SOSRPAT - Paul D. Pate (Republican Party)
G18SOSDDEJ - Deidre DeJear (Democratic Party)
G18SOSLOFE - Jules Ofenbakh (Libertarian Party)
G18SOSOWRI - Write-in Votes

G18TRERDAV - Jeremy N. Davis (Republican Party)
G18TREDFIT - Michael L. Fitzgerald (Democratic Party)
G18TRELHIR - Timothy Hird (Libertarian Party)
G18TREOWRI - Write-in Votes

G18AUDRMOS - Mary Mosiman (Republican Party)
G18AUDDSAN - Rob Sand (Democratic Party)
G18AUDLPER - Fred Perryman (Libertarian Party)
G18AUDOWRI - Write-in Votes

G18AGRRNAI - Mike Naig (Republican Party)
G18AGRDGAN - Tim Gannon (Democratic Party)
G18AGRLSTE - Rick Stewart (Libertarian Party)
G18AGROWRI - Write-in Votes

## Processing Steps
The following counties used shapefiles sourced from the respective county governments instead: Dallas, Johnson, Linn, Story. The following counties were revised to reflect updated municipal boundaries using shapefiles from the U.S. Census Bureau's 2020 Redistricting Data Program Phase 2 release: Dubuque, Marion, Muscatine, Polk, Pottawattamie, Scott.

The following precincts were merged to match the 2018 election reports:

Appanoose: Udell/Union
Black Hawk: Cedar Falls W2P2/Cedar Falls Twp
Des Moines: Burlington 1/Tama, Burlington 8/Concordia
Fremont: Hamburg/Washington, Farragut/Shenandoah1
Lee: Fort Madison 4A/4B, Keokuk 2A/2B, FCM/Harrison
Polk: Grimes 2/Urbandale 12
Tama: Toledo 1/2/3