Connecticut State Expenditures: Historical Vendor Payment Ledger

State of Connecticut records detail payments made to vendors for goods and services, beginning with the 2011-2012 fiscal year. The dataset includes individual payment transactions with details on vendors, departments, funds, and purchase orders. Certain payee names are redacted to protect privacy under statutes like HIPAA.

Use Cases

• Tracking departmental spending over time using Fiscal Year, Department, and Amount columns.
• Analyzing vendor payment patterns and contract activity using Vendor, Contract Number, and Payment Date columns.
• Auditing specific procurement transactions using Purchase Order Number, Invoice ID, and Payment Status columns.
• Categorizing expenditures by government function using Program, Expense Category, and Fund Type columns.

Strengths

• Covers a long historical time series, with data appended annually starting from fiscal year 2011-2012.
• Provides granular transaction-level detail with over 25 columns describing each payment.
• Is hosted on multiple official government platforms (Socrata, Data.gov), indicating its public importance and reliability.

Limitations

• Key metadata like row count, file size, and specific license are unavailable across all sources.
• Payee names are redacted for privacy, which limits the ability to track payments to specific individuals.
• The 'last updated' dates conflict between platforms (2026-05-08 vs 2026-04-12), creating uncertainty about freshness.

Provenance

Source

State of Connecticut

Collection Method

Collected from the state's financial systems as part of the Open Checkbook initiative.

Time Range

From state fiscal year 2011-2012 onward

Freshness

Platforms report last updates in April and May 2026, but the data itself is an archive appended annually.

Geography

State of Connecticut, USA