The estimated Oklahoma population is 3,943,066 persons The number of age 18 and older Oklahomans is estimated to be about 2,807,548, living in 1,410,826 households. Based on extrapolated 2010 numbers, an estimated 3% are judged ineligible to vote for a variety of reasons. This yields a potential voter pool of around 2,700,000.
Using the numbers for the voting-age Oklahoma population, this pool contains 49% males and 51% females with self-identified racial origins of: 76.7% White alone, 7.4% Black alone, 7.1% Native American alone, 1.3% Asian alone, 0.1% Pacific Islander alone, 1.3% Other alone, and 6.1% of two or more races. Of the total, 5.1% claim Hispanic or Latino ethnicity.
21.8 percent of the potential Oklahoma voters have a Bachelor's Degree or higher education. 13.2 are living in households below the poverty level. 18.7% of the 1,410,826 households have incomes of $100,000 or more.
http://worldpopulationreview.com/states/oklahoma-population/ : 3,943,066
http://www.census.gov/data/tables/time-series/demo/voting-and-registration/electorate-profiles-2016.html, click on Oklahoma
Eligibility: Who Can Register - You can register to vote if you are a citizen of the United States, a resident of the State of Oklahoma, and 18 years old or older. Felons - A convicted felon may not register for a period equal to the time of the original sentence. A convicted felon who has been pardoned may register. Persons judged incapacitated by a court may not register to vote. https://www.ok.gov/elections/Voter_Info/Register_to_Vote/
http://felonvoting.procon.org/view.resource.php?resourceID=000287; 2010 estimate=1.82% ineligible felons of total eligible voting population
Out of 2,157,458 total registered voters in Oklahoma, 1,451,056 voted this year for a presidential candidate. That's a registered voter participation of 67% and a 55% participation of the potential voting pool. Oklahoma voters come in three main flavors: 45.6% are registered as Republican, 39.7% as Democrats, and 14.5% as Independent. The rest, Libertarians and Americans Elect, total less than 1%.
Democratic Hillary Clinton/Tim Kaine 28.9% 419,788
Republican Donald Trump/Mike Pence 65.3% 947,934
Libertarian Gary Johnson/Bill Weld 5.7% 83,334
The numbers for the House and Senate races reflect those of the presidential election.
http://www.cnn.com/election/results/states/oklahoma/president , est. 99% in