Geography quiz
Most populous county in every US state
Fifty states, one county each: the one with the most people. Type the county for the highlighted state, or skip and come back.
- Format
- Type them all
- Items
- 50 answers
- Limit
- 10:00
- Level
- Hard
- Checked
- 2026.10.03
- Answers
- 50
- Time limit
- 10:00
- Order
- One at a time, skip allowed
- Matching
- Case and accents ignored
- The highlighted slot is the one to answer.
- Prev and Next skip around; click a slot to jump to it.
- Enter on an empty box skips; the up and down arrow keys step through the slots.
- Pause whenever you like (Esc). The board hides while the clock is stopped.
Name the most populous county of each state.
| State | County | Population |
|---|---|---|
| Alabama | Not found yet | |
| Alaska | Not found yet | |
| Arizona | Not found yet | |
| Arkansas | Not found yet | |
| California | Not found yet | |
| Colorado | Not found yet | |
| Connecticut | Not found yet | |
| Delaware | Not found yet | |
| Florida | Not found yet | |
| Georgia | Not found yet | |
| Hawaii | Not found yet | |
| Idaho | Not found yet | |
| Illinois | Not found yet | |
| Indiana | Not found yet | |
| Iowa | Not found yet | |
| Kansas | Not found yet | |
| Kentucky | Not found yet | |
| Louisiana | Not found yet | |
| Maine | Not found yet | |
| Maryland | Not found yet | |
| Massachusetts | Not found yet | |
| Michigan | Not found yet | |
| Minnesota | Not found yet | |
| Mississippi | Not found yet | |
| Missouri | Not found yet |
| State | County | Population |
|---|---|---|
| Montana | Not found yet | |
| Nebraska | Not found yet | |
| Nevada | Not found yet | |
| New Hampshire | Not found yet | |
| New Jersey | Not found yet | |
| New Mexico | Not found yet | |
| New York | Not found yet | |
| North Carolina | Not found yet | |
| North Dakota | Not found yet | |
| Ohio | Not found yet | |
| Oklahoma | Not found yet | |
| Oregon | Not found yet | |
| Pennsylvania | Not found yet | |
| Rhode Island | Not found yet | |
| South Carolina | Not found yet | |
| South Dakota | Not found yet | |
| Tennessee | Not found yet | |
| Texas | Not found yet | |
| Utah | Not found yet | |
| Vermont | Not found yet | |
| Virginia | Not found yet | |
| Washington | Not found yet | |
| West Virginia | Not found yet | |
| Wisconsin | Not found yet | |
| Wyoming | Not found yet |
About this quiz
The largest county, or county equivalent, in each of the 50 states by the Census Bureau's estimates for 1 July 2024. Type the name without the word county, parish or borough. Usually it holds the state's biggest city, but not always under the same name.
- 2 states have a Jefferson as their largest county.
- Louisiana has parishes and Alaska has boroughs; Connecticut's county equivalents are planning regions.
Sources
- [1]US Census Bureau. County Population Totals and Components of Change: 2020 to 2024 (Vintage 2024).
Note on the data. Counties and populations are from the Census Bureau's Vintage 2024 county estimates for 1 July 2024, read on 3 October 2026. A county means a county or its equivalent as the Bureau counts them: Louisiana's parishes, Alaska's boroughs and census areas, Connecticut's planning regions and the independent cities. The District of Columbia is left out.
Last checked October 3, 2026
More quizzes like this
| No. | Quiz | Section | Format | Items | Added |
|---|---|---|---|---|---|
| 01 | 50 most populous US counties Name the 50 most populous counties in the United States by the 2024 estimates. Each row shows the rank, the state and the population. Geography / Type them all / 50 answers | Geography | Type them all | 50 | 2026.10.03 |
| 02 | US state outline reveal A US state's outline hides under 36 tiles. Every state you type opens one. Name the hidden state with as many tiles left as you can. Geography / Reveal the picture / 50 pictures | Geography | Reveal the picture | 50 | 2026.10.03 |
| 03 | US states map snippet 1 A rectangle cut from the map of the United States and shown blank. Name the 5 states with land inside it before two minutes run out. Geography / Map quiz / 5 on the map | Geography | Map quiz | 5 | 2026.10.03 |