Fiscal year ending 2024. Filed on September 9, 2025.
426 N Jackson St
Janesville, Wisconsin 53548
Rock County Historical Society Inc. (EIN: 39-0825331) has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2024 IRS Form 990 filing, Rock County Historical Society Inc., a 501(c)(3) charitable organization, reported compensation for 1 out of 10 total employees. Among the employees shown here, the average compensation is $100,000. The highest compensated employee at Rock County Historical Society Inc. is Timothy Maahs with fiscal year 2024 compensation of $100,000.
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TO PRESERVE AND PERPETUATE THE HISTORY OF ROCK COUNTY, WISCONSIN; TO DISCOVER, COLLECT, AND PRESERVE. ANY MATERIALS WHICH MAY HELP TO ESTABLISH OR ILLUSTRATE THE HISTORY OF ROCK ISLAND COUNTY, WISCONSIN; TO PUBLISH HISTORICAL AND GENEALOGICAL MATERIALS COVERING, BUT NOT LIMITED TO, THIS AREA; TO ESTABLISH AND MAINTAIN HISTORICAL EXHIBITS AND PROGRAMS THROUGH PURCHASES, EXCHANGES, DONATIONS, CONTRIBUTIONS AND SOCIETY PROJECTS; TO RECEIVE AND HOLD GIFTS OF REAL AND PERSONAL ESTATE FROM ANY SOURCE FOR THE BENEFIT OF THE SOCIETY; TO CONDUCT OR SPONSOR LECTURES, DISCUSSIONS, AND WORKSHOPS AND CONFERENCES AIMED AT IMPROVING OUR KNOWLEDGE OF HISTORY AND THE RESOURCES AVAILABLE.
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