Collected and spent
In 2022, Mercer County spent about $473.7M. This is a Census of Governments estimate across all of its funds.
Spent
$473.7M
Fiscal year 2022 · Census of Governments estimate, all funds · spending
Where the money comes from
One tax.
Property tax
$0.5763 per $100 of value
Source · Mercer County Board of Taxation, Mercer County 2024 Abstract of Ratables. Read on June 9, 2026.
Details
Mercer County 2024 Abstract of Ratables — countywide county tax $0.5463 plus $0.0300 open space per $100 of market value = 5.76 mills. The separate county library tax is not included because Trenton runs its own city libraryWhere it goes
Twelve service lines.
Other
$105.8M
Health and human services
$79.1M
Higher education
$78.6M
Schools
$68.3M
Corrections
$31.3M
General government
$23.9M
Police
$19.6M
Courts
$19.5M
Show all 12 linesShow fewer lines
Parks and recreation
$15.2M
Debt service · past obligation
$14.1M
Public works
$12.9M
Transit
$5.4M
Bars in both tables share one scale. Hatched lines pay for past obligations, not current services.
Source · 2022 Census of Governments - Estimated service split source. Read on October 20, 2026.
Who decides
Mercer County has a County Executive and a board. The board sets policy. It votes on the budget and approves contracts. It can check the Executive's powers. 7 Commissioners. County voters elect them at large.
Dan Benson
County Executive
Term end not published
Re-check by November 3, 2026
Terrance Stokes
Commissioner, at large
Term end not published
Re-check by November 3, 2026
Cathleen M. Lewis
Commissioner, at large
Term end not published
Re-check by November 3, 2026
John A. Cimino
Commissioner, at large
Term end not published
Re-check by November 3, 2026
Samuel T. Frisby
Commissioner, at large
Term end not published
Re-check by November 3, 2026
Kristin L. McLaughlin
Commissioner, at large
Term end not published
Re-check by November 3, 2026
Nina D. Melker
Commissioner, at large
Term end not published
Re-check by November 3, 2026
Lucylle R.S. Walter
Commissioner, at large
Term end not published
Re-check by November 3, 2026
Source · Mercer County, Mercer County, Duties of a Commissioner. Read on October 10, 2026.
Details
Mercer County, Duties of a Commissioner (read 2026-10-10)When decisions happen
A county introduces its budget by March 31 and adopts it by April 30. The next regular meeting after each date also counts.
Each yearThe county budget year is the calendar year.
Next electionThe next general election is November 3, 2026.
The state holds its general election each November.
How to reach it
Clerk to the Board: 609-989-6583
Phone
Email: gbianchi@mercercounty.org
Email
McDade Administration Building, 640 South Broad Street, P.O. Box 8068, Trenton, NJ 08650
Mailing address
Source · New Jersey Legislature, N.J.S.A. 40A:4-5. Read on October 10, 2026.
Details
N.J.S.A. 40A:4-5 (introduction) and 40A:4-10 (adoption), Local Budget Law, from the Legislature's official statutes file (STATUTES-TEXT.zip,Also on this tax bill
A Mercer County address pays these governments too. Which cities and school districts apply depends on the address.
On every bill in Mercer County
On some bills, depending on the address
Cities: 18
Hopewell Township (Mercer County)CityHamilton Township (Mercer County)CityWest Windsor TownshipCityLawrence Township (Mercer County)CityRobbinsville TownshipCityPrincetonCityEast Windsor TownshipCityEwing TownshipCityTrentonCity
Hamilton SquareNot in Who Taxes Me yet
YardvilleNot in Who Taxes Me yet
MercervilleNot in Who Taxes Me yet
White HorseNot in Who Taxes Me yet
GrovevilleNot in Who Taxes Me yet
Princeton JunctionNot in Who Taxes Me yet
Twin RiversNot in Who Taxes Me yet
HightstownCityWindsorNot in Who Taxes Me yet
School districts: 7
Hopewell Valley Regional School DistrictNot in Who Taxes Me yet
West Windsor-Plainsboro Regional School DistrictNot in Who Taxes Me yet
Robbinsville Township School DistrictNot in Who Taxes Me yet
Princeton Public SchoolsNot in Who Taxes Me yet
East Windsor Regional School DistrictNot in Who Taxes Me yet
Ewing Township School DistrictNot in Who Taxes Me yet
Trenton City School DistrictSchool districtSources
Spent
2022 Census of Governments - Estimated service split source. Read on October 20, 2026.
Taxes
Mercer County Board of Taxation, Mercer County 2024 Abstract of Ratables. Read on June 9, 2026.
Details
Mercer County 2024 Abstract of Ratables — countywide county tax $0.5463 plus $0.0300 open space per $100 of market value = 5.76 mills. The separate county library tax is not included because Trenton runs its own city libraryWho decides
Mercer County, Mercer County, Duties of a Commissioner. Read on October 10, 2026.
Details
Mercer County, Duties of a Commissioner (read 2026-10-10)When decisions happen
New Jersey Legislature, N.J.S.A. 40A:4-5. Read on October 10, 2026.
Details
N.J.S.A. 40A:4-5 (introduction) and 40A:4-10 (adoption), Local Budget Law, from the Legislature's official statutes file (STATUTES-TEXT.zip,How to reach it
Mercer County, Mercer County, Board of County Commissioners Contact. Read on October 10, 2026.
Details
Mercer County, Board of County Commissioners Contact (read 2026-10-10)What it does
2022 Census of Governments - Estimated service split source. Read on October 13, 2026.
To act on what you have read
Who Taxes Me describes. These three tools, made by the same team, are where you can do something about it. Each opens in a new tab.
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