Mission
The society operates a museum, which is a three story octagon house built in 1854.
Public Charity
Watertown Historical Society
Watertown Historical Society, of Watertown, WI, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $665K in revenue, $118K in expenses, $1.9M in total assets. 2 publicly reported grants to this organization, totaling roughly $250K, appear in IRS filings.
EIN: 390689355
Watertown, WI
Latest filing: 2025
Total Revenue$665K
Total Expenses$118K
Total Assets$1.9M
Grant Records2
Funding Total$250K
Filing Years2021–2025
Sample Grants Received
1ST KINDERGARTEN PROJECT
$243,323
1ST KINDERGARTEN PROJECT
$6,700
Showing up to 5 of 2 total records — full history available with membership.
Officers & Directors
Director
Braeden Nemitz
Director
David Hertel
Director
David Yelk
Director
Jill Nadeau
Vice President
Jim Baughler
Director
Judy Lehman
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $665K | $118K | $1.9M |
| 2024 | $230K | $80K | $1.3M |
| 2023 | $224K | $97K | $1.1M |
| 2022 | $78K | $71K | $891K |
| 2021 | $506K | $93K | $935K |
Between 2021 and 2025, reported annual revenue grew from $506K to $665K (+31%), with total assets most recently reported at $1.9M.
Interactive year-over-year charts and full filing details available with membership.