County Government Explained: Boards, Row Officers and What Counties Do

Ask most Americans what their county does and you get a pause, then something about the DMV, or maybe jury duty. Ask them who chairs the county board and the pause gets longer.

That gap is expensive. Counties run the jail your neighbor sits in while awaiting trial, the health department that inspects your restaurant, the office that decides what your house is worth for tax purposes, the elections office that mails your ballot, and roughly half the road miles in the United States. County boards vote on all of it in meetings that are usually held on a weekday morning.

What a county is

Counties are the geographic subdivisions states use to deliver services and administer state law. The U.S. Census Bureau counted 3,031 county governments in 2025. The National Association of Counties puts the number of county-equivalent areas at 3,069 with county governments, noting that the federal statistical count of 3,143 includes county-equivalents such as the District of Columbia, independent cities and 42 city-county consolidations.

Some naming quirks are worth knowing:

• Louisiana calls them parishes; Alaska calls them boroughs and has large unorganized areas with no borough government at all.
• Virginia has dozens of independent cities that sit outside any county.
• Connecticut abolished county governments in 1960 and now organizes regional work through nine planning regions, as the state legislature’s research office documents. Rhode Island’s counties exist only for judicial purposes, and Massachusetts dissolved most of its county governments between 1997 and 2000.

Scale varies wildly. NACo notes that Loving County, Texas has 43 residents while Los Angeles County has nearly 10 million; Arlington County, Virginia covers 26 square miles while Alaska’s North Slope Borough spans 88,824. A county commissioner in one place manages a $40 billion enterprise and in another oversees a road grader and a courthouse boiler.

Who governs a county

The board

Every county government has a governing board, though the name changes by state: board of supervisors in California, Iowa, Michigan, Virginia and Wisconsin; board of commissioners or county commission in much of the South, Midwest and West; county legislature or council in New York and elsewhere. Boards are usually small — three to five members is common, though large urban counties may have a dozen or more.

Boards do the things legislatures do: adopt ordinances for unincorporated areas, set the property tax levy, adopt the budget, approve contracts, appoint department heads and members of boards and commissions, and set land use policy outside city limits. In many states the board also holds executive authority, meaning the same people who pass the budget also supervise its execution.

NACo describes three broad structures. A majority of counties use the traditional commission form, in which the elected board holds both legislative and executive power. Over 40 percent have shifted to either an appointed county administrator/manager model — roughly 1,300 counties have the equivalent of an appointed administrator — or an elected county executive model, used in about 700 counties, where a separately elected executive runs operations much like a strong mayor. NACo also reports that in 53 percent of counties all board members are elected by district, 29 percent elect all members at large, and 18 percent use a mix.

Row officers

Here is the feature that most distinguishes counties from cities: many county officials are elected independently of the board. They are often called row officers, a reference to the row of separate offices on a ballot. NACo counts 38,412 elected county officials nationwide, including 19,783 board and commission members and 18,629 independently elected constitutional or row officers.

The practical consequence: a county board cannot simply order an elected sheriff or assessor to change policy. It can cut or condition their budget, and it can make noise, but the officeholder answers to voters. When residents demand that “the county” change how the jail runs or how assessments are done, the leverage point is usually the specific elected officer — and their next election.

Key takeaway: In county government, “who is in charge” often has several answers at once. Before you organize a campaign, identify whether your issue belongs to the board, an appointed department under the board, or an independently elected row officer.

What counties fund

Counties are service-delivery workhorses, often carrying out programs the state or federal government designed. NACo estimates that county governments invest more than $740 billion annually, with the largest categories being health and human services ($193 billion, 26 percent), justice and public safety ($124 billion, 17 percent), education ($121 billion, 16 percent) and transportation ($60 billion, 8 percent).

The physical footprint is just as large. According to NACo, counties own 45 percent of the nation’s public road miles — about 1.8 million miles — and 38 percent of its bridges; they operate 91 percent of local jails, support more than 900 hospitals and about 1,900 local health departments, and employ some 3.6 million people.

Typical county responsibilities include:

• Justice: jail, sheriff’s patrol, prosecutor, public defender in many states, probation, court facilities and clerks
• Health: public health departments, restaurant and septic inspections, immunizations, behavioral health and substance use services, medical examiner
• Human services: administering food assistance and Medicaid eligibility, child welfare, aging services, veterans services, general assistance
• Records and elections: deeds, liens, births, deaths, marriages, voter registration, polling places, ballot counting
• Property taxation: assessment, appeals boards, billing and collection — for the county and often for cities, schools and districts
• Infrastructure and land: county roads and bridges, drainage, landfills, parks, libraries, airports
• Unincorporated area services: zoning, building permits, code enforcement and law enforcement for residents who live outside any city

On the revenue side, NACo reports property taxes provide about $200 billion a year, roughly 38 percent of county-generated revenue, with charges and fees at 27 percent and sales taxes at 13 percent. Counties also depend heavily on state and federal transfers, which is why a state budget cut can close a county clinic that no county official voted to close. For the broader picture of local revenue, see how city budgets work.

Cities inside counties, and counties that are cities

Most residents live inside both a city and a county, which raises the constant question of overlap. A few patterns:

• Unincorporated residents get their city-type services from the county. If you live outside any municipality, your “city council” is effectively the county board.
• Service contracts are common: a small city may pay the sheriff to provide policing or the county to run its jail bookings, rather than duplicating them.
• Consolidation merges the two governments. Ballotpedia’s list includes San Francisco (1856), Denver (1902), Honolulu (1907), Nashville-Davidson (1963), Jacksonville-Duval (1968), Indianapolis-Marion (1970), Louisville-Jefferson (2003) and Macon-Bibb (2014). Philadelphia’s city and county boundaries were merged in 1854.

Consolidation campaigns promise efficiency and one-stop accountability. Opponents typically warn about diluting the voice of suburban or rural residents and about whether promised savings appear. Voters have approved some and rejected many; it is one of the most contested structural questions in local government.

Townships, districts and the rest of the neighborhood

Counties rarely operate alone. In much of the Northeast and Midwest, townships — 16,184 of them nationally in the 2025 Census count — sit between the county and the resident, handling roads, cemeteries, zoning or assessing depending on the state. Some are robust governments with their own levies; others are nearly ceremonial.

Counties also sit inside a web of regional bodies: councils of governments, metropolitan planning organizations that decide which transportation projects get federal dollars, water and sewer authorities, and transit districts. County officials usually hold seats on these boards, which means a county commissioner may cast votes on a regional agenda that never appears on the county’s own meeting notice. If you are tracking a highway expansion or a transit line, ask which regional board holds the vote and when your commissioner sits on it.

Five questions that reveal how your county works

Ask these at a board meeting, in an email, or of a candidate at a forum. The answers map the real power structure faster than any organizational chart:

1. Which of our county officials are elected separately from this board? The list tells you where the board’s authority stops.
2. Do we have a county administrator or an elected executive, and who supervises department heads?
3. What share of our budget is discretionary? In many counties, state and federal mandates and required matches consume most of the general fund, and the genuinely contested portion is surprisingly small.
4. Which services do we provide to unincorporated residents only, and who pays for them? This is a recurring source of city-county tension.
5. When are the budget hearings, and when is the tax levy set? Those two dates are when public comment carries the most weight.

Why county elections are worth your attention

County races are often the lowest-information contests on the ballot. Many are held in off-cycle or primary elections, candidates rarely have money for advertising, and the offices sound technical enough that voters skip them.

Yet the decisions are concrete. Whether your county jail holds people pretrial because they cannot post a few hundred dollars, whether the assessor reassesses your neighborhood this year, whether the health department keeps a clinic open in a rural township, whether the road in front of your house gets resurfaced in this five-year plan — these are county calls.

Three practical steps:

1. Find your county board district. Use My District to identify your supervisor or commissioner and their contact information.
2. Read one budget and one agenda packet. County budgets are long, but the transmittal letter and department summaries are readable in an hour and tell you what changed.
3. Show up to the right meeting. Many counties hold board meetings during business hours, but budget hearings and public health or jail oversight committees often meet in the evening.

If a county record is what you need — a contract, an inspection report, jail population data — file a request. Our guide to public records requests walks through the language that works.

What you can do next

• Identify your county board member and your county’s row officers with My District, then find the county’s contact page in the directory.
• Put the next county board meeting and the county budget hearing on your calendar using the town hall calendar.
• Bring an issue that crosses city lines — jail conditions, transit, public health, road funding — to a public discussion by starting a debate.
• Gather neighbors behind a specific county decision with an initiative or petition.
• Fill in the rest of the map with how local government works, school boards explained, and how to write to elected officials.