Mission
TO ESTABLISH, MAINTAIN, AND OPERATE A MUSEUM FOR THE GENERAL PUBLIC, AND TO COLLECT, RESEARCH, CARE FOR AND INTERPRET MATERIALS AND ARTIFACTS OF CULTURAL AND HISTORICAL INTEREST TO THE RESIDENTS OF BIG ROCK AND VISTORS TO THE MUSEUM/LIBRARY.
Public Charity
BIG ROCK HISTORICAL SOCIETY
BIG ROCK HISTORICAL SOCIETY, of BIG ROCK, IL, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $183K in revenue, $267K in expenses, $2.3M in total assets. 2 publicly reported grants to this organization, totaling roughly $18K, appear in IRS filings.
EIN: 364038337
BIG ROCK, IL
Latest filing: 2025
Total Revenue$183K
Total Expenses$267K
Total Assets$2.3M
Grant Records2
Funding Total$18K
Filing Years2021–2025
Sample Grants Received
BENEFIT GREATER AURORA
$11,588
Showing up to 5 of 2 total records — full history available with membership.
Officers & Directors
DIRECTOR
Janis Finley
VICE PRESIDE
Jerry Thomas
DIRECTOR
Jerry Thompson
DIRECTOR
John Rogerson
DIRECTOR
Joni Roscoe
DIRECTOR
Lindsey Zambrano
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $183K | $267K | $2.3M |
| 2024 | $125K | $89K | $2.4M |
| 2023 | $77K | $113K | $2.4M |
| 2022 | $49K | $82K | $2.4M |
| 2021 | $200K | $111K | $2.4M |
Between 2021 and 2025, reported annual revenue declined from $200K to $183K (-8%), with total assets most recently reported at $2.3M.
Interactive year-over-year charts and full filing details available with membership.