Cook County Treasurer: Chicago Government PaymentsGovernment payee
as recorded by Chicago: COOK COUNTY TREASURER
This payee is itself a government entity, public authority, or public fund, not a private vendor. Its payments appear here because they are on the Chicago city government ledger.
Cook County Treasurer is the 2nd-largest recipient of Chicago city government payments tracked by SpendLedger. Its payments amount to 9.9% of everything the Unknown Department has paid vendors in that span. Payments to it rose 60.4% year over year.
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Payments by fiscal year
The payment history
Select a column to see the agencies behind that fiscal year.
4 fiscal years on record. The incoming flows below combine all recorded years.
Fiscal years may be partial; missing years are not zero spending. Negative columns reflect net refunds or corrections. Amounts share a linear scale.
Who pays this supplier?
Select a paying agency to inspect the relationship, then open its profile.
Jan 13, 2022 to Jul 1, 2025 · All recorded fiscal years
Showing 1 of 1 positive agencies in these records.
Flow widths compare the relationships shown. Percentages use the full recorded supplier total for this period: $1,840,920,574.45. Zero and net-negative relationships are excluded from positive flows.
The relationships at a glance
- Total shown
- $1,840,920,574.45
- Payments represented
- 66
- Paying agencies shown
- 1
- Largest share of supplier total
- 100.0%
Largest displayed relationship: Unknown Department. Select a flow to explore its details.
Jan 13, 2022 to Jul 1, 2025 · All recorded fiscal years. Amount and payment count cover the relationships shown; shares use the full supplier total.
Cook County Treasurer
$1,840,920,574from the agencies shownCook County Treasurer
$1,840,920,574 from the agencies shown
- $1,840,920,574100.0% of supplier total
This is a selection, not a full spending breakdown. Other agencies are not included in the flow. Some recorded agencies have no public profile link. Coverage may be partial. Review the agency table.
Payments by fiscal year and agency
| Fiscal year | Agency | Payments | Total |
|---|---|---|---|
| FY 2025 | Unknown Department | 13 | $712,516,533 |
| FY 2024 | Unknown Department | 13 | $444,313,402 |
| FY 2023 | Unknown Department | 29 | $411,794,337 |
| FY 2022 | Unknown Department | 11 | $272,296,302 |
| Total | 66 | $1,840,920,574 |
Largest payments by fiscal year
The biggest individual payments in each fiscal year, up to 20 per year. Where the source publishes a purchase order behind a payment, the PO description appears; older payments may carry a bare PO reference because the government's published PO files do not reach back that far.
Download this table as CSV (free, with source citation on every row)
FY 2025top 13 of 13 payments$712,516,533
| Date | Agency | Amount | Category | Purchase order |
|---|---|---|---|---|
| Mar 18, 2025 | Unknown Department | $99,999,999.00 | – | – |
| Mar 18, 2025 | Unknown Department | $98,864,380.00 | – | – |
| Jul 1, 2025 | Unknown Department | $93,823,802.00 | – | – |
| Jul 1, 2025 | Unknown Department | $87,502,359.00 | – | – |
| Mar 18, 2025 | Unknown Department | $76,444,353.00 | – | – |
| Mar 18, 2025 | Unknown Department | $62,596,938.00 | – | – |
| Jul 1, 2025 | Unknown Department | $45,922,558.00 | – | – |
| Mar 18, 2025 | Unknown Department | $35,605,339.00 | – | – |
| Mar 18, 2025 | Unknown Department | $34,096,671.00 | – | – |
| Mar 18, 2025 | Unknown Department | $33,606,375.00 | – | – |
| Mar 18, 2025 | Unknown Department | $21,766,052.00 | – | – |
| Mar 18, 2025 | Unknown Department | $18,690,766.00 | – | – |
| Mar 18, 2025 | Unknown Department | $3,596,941.00 | – | – |
FY 2024top 13 of 13 payments$444,313,402
| Date | Agency | Amount | Category | Purchase order |
|---|---|---|---|---|
| Apr 17, 2024 | Unknown Department | $99,000,000.00 | – | – |
| Apr 17, 2024 | Unknown Department | $95,793,442.00 | – | – |
| Apr 17, 2024 | Unknown Department | $70,716,244.00 | – | – |
| Apr 17, 2024 | Unknown Department | $38,586,082.00 | – | – |
| Apr 17, 2024 | Unknown Department | $32,265,977.00 | – | – |
| Apr 17, 2024 | Unknown Department | $27,439,917.00 | – | – |
| Jun 28, 2024 | Unknown Department | $23,741,248.00 | – | – |
| Apr 17, 2024 | Unknown Department | $13,569,688.00 | – | – |
| Apr 17, 2024 | Unknown Department | $11,223,100.00 | – | – |
| Apr 17, 2024 | Unknown Department | $10,796,924.00 | – | – |
| Apr 17, 2024 | Unknown Department | $10,548,335.00 | – | – |
| Apr 17, 2024 | Unknown Department | $10,208,115.00 | – | – |
| Oct 17, 2024 | Unknown Department | $424,330.33 | – | – |
FY 2023top 20 of 29 payments$411,794,337
| Date | Agency | Amount | Category | Purchase order |
|---|---|---|---|---|
| Mar 28, 2023 | Unknown Department | $99,000,000.00 | – | – |
| Mar 28, 2023 | Unknown Department | $79,490,000.00 | – | – |
| May 31, 2023 | Unknown Department | $74,668,497.00 | – | – |
| Mar 28, 2023 | Unknown Department | $56,071,461.00 | – | – |
| Mar 28, 2023 | Unknown Department | $36,057,040.00 | – | – |
| Mar 28, 2023 | Unknown Department | $29,442,000.00 | – | – |
| Jun 29, 2023 | Unknown Department | $26,630,206.00 | – | – |
| Jun 29, 2023 | Unknown Department | $8,635,485.00 | – | – |
| Mar 28, 2023 | Unknown Department | $965,000.00 | – | – |
| Jan 30, 2023 | Unknown Department | $440,000.00 | – | – |
| Jan 9, 2023 | Unknown Department | $245,500.00 | – | – |
| Jan 9, 2023 | Unknown Department | $84,600.00 | – | – |
| Jul 5, 2023 | Unknown Department | $10,504.07 | – | – |
| Jul 5, 2023 | Unknown Department | $7,350.19 | – | – |
| Jul 5, 2023 | Unknown Department | $7,218.36 | – | – |
| Jul 5, 2023 | Unknown Department | $5,589.95 | – | – |
| Jul 5, 2023 | Unknown Department | $5,510.54 | – | – |
| Jul 5, 2023 | Unknown Department | $5,272.56 | – | – |
| Jul 5, 2023 | Unknown Department | $5,141.47 | – | – |
| Jul 5, 2023 | Unknown Department | $4,913.24 | – | – |
FY 2022top 11 of 11 payments$272,296,302
| Date | Agency | Amount | Category | Purchase order |
|---|---|---|---|---|
| Oct 20, 2022 | Unknown Department | $88,913,953.00 | – | – |
| Jan 13, 2022 | Unknown Department | $75,077,000.00 | – | – |
| Jan 13, 2022 | Unknown Department | $52,021,700.00 | – | – |
| Jan 13, 2022 | Unknown Department | $30,789,800.00 | – | – |
| Jun 29, 2022 | Unknown Department | $24,844,931.00 | – | – |
| Mar 29, 2022 | Unknown Department | $531,080.00 | – | – |
| Mar 10, 2022 | Unknown Department | $55,000.00 | – | – |
| Mar 31, 2022 | Unknown Department | $47,896.08 | – | – |
| Apr 1, 2022 | Unknown Department | $6,209.72 | – | – |
| Apr 1, 2022 | Unknown Department | $5,840.25 | – | – |
| Apr 1, 2022 | Unknown Department | $2,892.39 | – | – |
Recent payments
| Date | Agency | Amount | Category | Method |
|---|---|---|---|---|
| Jul 1, 2025 | Unknown Department | $45,922,558.00 | – | – |
| Jul 1, 2025 | Unknown Department | $93,823,802.00 | – | – |
| Jul 1, 2025 | Unknown Department | $87,502,359.00 | – | – |
| Mar 18, 2025 | Unknown Department | $76,444,353.00 | – | – |
| Mar 18, 2025 | Unknown Department | $34,096,671.00 | – | – |
| Mar 18, 2025 | Unknown Department | $21,766,052.00 | – | – |
| Mar 18, 2025 | Unknown Department | $99,999,999.00 | – | – |
| Mar 18, 2025 | Unknown Department | $62,596,938.00 | – | – |
| Mar 18, 2025 | Unknown Department | $3,596,941.00 | – | – |
| Mar 18, 2025 | Unknown Department | $35,605,339.00 | – | – |
| Mar 18, 2025 | Unknown Department | $18,690,766.00 | – | – |
| Mar 18, 2025 | Unknown Department | $98,864,380.00 | – | – |
| Mar 18, 2025 | Unknown Department | $33,606,375.00 | – | – |
| Oct 17, 2024 | Unknown Department | $424,330.33 | – | – |
| Jun 28, 2024 | Unknown Department | $23,741,248.00 | – | – |
| Apr 17, 2024 | Unknown Department | $99,000,000.00 | – | – |
| Apr 17, 2024 | Unknown Department | $95,793,442.00 | – | – |
| Apr 17, 2024 | Unknown Department | $13,569,688.00 | – | – |
| Apr 17, 2024 | Unknown Department | $70,716,244.00 | – | – |
| Apr 17, 2024 | Unknown Department | $27,439,917.00 | – | – |
| Apr 17, 2024 | Unknown Department | $10,208,115.00 | – | – |
| Apr 17, 2024 | Unknown Department | $38,586,082.00 | – | – |
| Apr 17, 2024 | Unknown Department | $32,265,977.00 | – | – |
| Apr 17, 2024 | Unknown Department | $10,796,924.00 | – | – |
| Apr 17, 2024 | Unknown Department | $11,223,100.00 | – | – |
Other vendors serving Unknown Department
- Municipal Employee Pension FD $3,014,848,176
- Policemens a & B Fund $1,410,477,739
- Amalgamated Bank of Chicago $1,317,947,108
- Zions Bank $858,852,583
- Nationwide Retirement Solution $824,738,719
- Bank of New York Trust $768,529,171
- Municipal Employees Annuity and Benefit Fund of Chicago $702,129,889
- Firemens Annuity Benefit Fund $662,442,132
- State of Illinois Treasurer's Office $531,099,387
- U S Bank N a $505,614,504
VerifiedData refreshed Sep 24, 2026 from Chicago Checkbook (data.cityofchicago.org): 266,483 payments on record, Jan 3, 2022 to Dec 31, 2025. How we verify this data