Final answer:
The elected official responsible for managing county funds is known as the county treasurer, an integral part of the county's financial operations within its selected system of government, such as the commission system or council-administrator system.
Step-by-step explanation:
An elected officer responsible for receiving and disbursing county funds is commonly known as the county treasurer. The county treasurer's role includes overseeing the collection and distribution of funds within the county, which is vital for the operation of county services such as maintaining roads, courthouses, and public welfare facilities. County governments, which can employ a commission system, council-administrator system, or council-elected executive system, rely on various sources of revenue to provide services, including property taxes, sales tax receipts, and intergovernmental transfers.