What are the opening hours?

Monday 8am - 4:30pm Tuesday 8am - 4:30pm Wednesday 8am - 4:30pm Thursday 8am - 4:30pm Friday 8am - 4:30pm

Black Hawk County

06/06/2026

We loved seeing everyone at the 2026 My Waterloo Days Parade! Black Hawk County employs the BEST people. It is so much fun when departments can get together as one and be a part of our great community!

Black Hawk County Sheriff's Office - Waterloo, Iowa Black Hawk County Public Health
Black Hawk County Road Department
Hartman Reserve Nature Center

06/05/2026

ELECTION AUDIT COMPLETE!
The Black Hawk County Auditor's Office has officially completed its post‑election audit following the June 2 Primary. The hand-count audit confirmed 100% accuracy with the election night machine totals.

Thanks to all who voted, and to our Precinct Election Officials who make local elections possible!

✔️Read more about the audit on the Black Hawk County website: https://blackhawkcounty.iowa.gov/m/NewsFlash/home/detail/707

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Telephone

+13198333000

Website

https://linktr.ee/blackhawkcounty, http://blackhawkcounty.iowa.gov/

Address

316 E 5th Street
Waterloo, IA
50703

Opening Hours

Monday	8am - 4:30pm
Tuesday	8am - 4:30pm
Wednesday	8am - 4:30pm
Thursday	8am - 4:30pm
Friday	8am - 4:30pm