Adra Ann Goettsch of Webster City is checked in to vote in Tuesday’s primary election by poll worker Linda Hutchinson, also of Webster City. Voting for all local precincts took place at the Ed Prince Building at the Hamilton County Fairgrounds.

There were no local surprises when Hamilton County’s votes were tallied Tuesday night.

With few primary contests, the biggest insight was the percentage of registered Republicans who went to the polls. Of the 1,541 ballots cast in Hamilton County, 1,026 of them were by registered Republicans, or 66.58%. That contrasted sharply with the 515 registered Democrat votes, or 33.42%.

In Hamilton County, 10,107 people are registered to vote.

Tuesday’s numbers will not be official until next Tuesday, Hamilton County Auditor Kim Schaa cautioned.

In the primary race to decide who will face long-time Republican incumbent U.S. Sen. Charles Grassley, the split locally favored Michael Franken, who prevailed overall. In Hamilton County, Franken got 300 votes, or 58.48% of the ballots cast. Abby Finkenauer trailed with 193 votes, or 37.62%; and Glenn Hurst ended last with 20 votes, or 3.90%.

Grassley topped challenger Jim Carlin in the local county with 777 votes, or 76.03% of the ballots cast in Hamilton. Carlin earned only 245 votes, or 23.97%.

In the faceoff for Auditor of State, Todd Halbur topped Mary Ann Hanusa, 477-386, or 55.27% over 44.73%.

In the primary for Secretary of State, Joel Miller earned 73.21% of Hamilton County votes, with 317; his challenger, Eric Van Lancker, earned 26.79%, or 116 votes.