Geography quiz
50 most populous US counties
Fifty counties, largest first, with the state and the population showing. Type the county names in any order.
- Format
- Type them all
- Items
- 50 answers
- Limit
- 10:00
- Level
- Hard
- Checked
- 2026.10.03
- Answers
- 50
- Time limit
- 10:00
- Order
- Any order
- Matching
- Case and accents ignored
- Type an answer; it files itself the moment it matches.
- One answer can fill several slots.
- Give up at any time to see what you missed.
- Pause whenever you like (Esc). The board hides while the clock is stopped.
Name the county in each row.
| Rank | State | Population | County |
|---|---|---|---|
| 1 | California | 9,757,179 | Not found yet |
| 2 | Illinois | 5,182,617 | Not found yet |
| 3 | Texas | 5,009,302 | Not found yet |
| 4 | Arizona | 4,673,096 | Not found yet |
| 5 | California | 3,298,799 | Not found yet |
| 6 | California | 3,170,435 | Not found yet |
| 7 | Florida | 2,838,461 | Not found yet |
| 8 | Texas | 2,656,028 | Not found yet |
| 9 | New York | 2,617,631 | Not found yet |
| 10 | California | 2,529,933 | Not found yet |
| 11 | Nevada | 2,398,871 | Not found yet |
| 12 | Washington | 2,340,211 | Not found yet |
| 13 | New York | 2,316,841 | Not found yet |
| 14 | Texas | 2,230,708 | Not found yet |
| 15 | California | 2,214,281 | Not found yet |
| 16 | Texas | 2,127,737 | Not found yet |
| 17 | Florida | 2,037,472 | Not found yet |
| 18 | California | 1,926,325 | Not found yet |
| 19 | Michigan | 1,771,063 | Not found yet |
| 20 | Massachusetts | 1,668,956 | Not found yet |
| 21 | New York | 1,660,664 | Not found yet |
| 22 | California | 1,649,060 | Not found yet |
| 23 | California | 1,611,231 | Not found yet |
| 24 | Florida | 1,582,055 | Not found yet |
| 25 | Florida | 1,581,426 | Not found yet |
| Rank | State | Population | County |
|---|---|---|---|
| 26 | Pennsylvania | 1,573,916 | Not found yet |
| 27 | New York | 1,535,909 | Not found yet |
| 28 | Florida | 1,533,646 | Not found yet |
| 29 | New York | 1,392,438 | Not found yet |
| 30 | New York | 1,384,724 | Not found yet |
| 31 | Texas | 1,363,767 | Not found yet |
| 32 | Ohio | 1,356,303 | Not found yet |
| 33 | Michigan | 1,296,888 | Not found yet |
| 34 | Minnesota | 1,273,334 | Not found yet |
| 35 | Texas | 1,254,658 | Not found yet |
| 36 | Ohio | 1,240,594 | Not found yet |
| 37 | North Carolina | 1,232,444 | Not found yet |
| 38 | Pennsylvania | 1,231,814 | Not found yet |
| 39 | Utah | 1,216,274 | Not found yet |
| 40 | North Carolina | 1,206,285 | Not found yet |
| 41 | California | 1,172,607 | Not found yet |
| 42 | Virginia | 1,160,925 | Not found yet |
| 43 | Georgia | 1,090,354 | Not found yet |
| 44 | Maryland | 1,082,273 | Not found yet |
| 45 | Arizona | 1,080,149 | Not found yet |
| 46 | Florida | 1,055,159 | Not found yet |
| 47 | Texas | 1,045,120 | Not found yet |
| 48 | California | 1,024,125 | Not found yet |
| 49 | New York | 1,006,447 | Not found yet |
| 50 | Georgia | 1,003,869 | Not found yet |
About this quiz
The 50 largest counties by the Census Bureau's estimates for 1 July 2024. Type the name without the word county.
- The largest has 9,757,179 people, more than most states.
- 10 of the 50 are in California and 7 in Texas.
- A name that appears twice on the list fills both rows at once.
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
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