US County Area home

Most populous counties

County equivalents ranked by the Census Bureau’s latest July 1 population estimate. Land area and density are shown alongside, because a populous county is not necessarily a dense one.

Ranks 201–300

Vintage 2025 population estimates · 2026 Gazetteer land area · 3,222 county equivalents · page 3 of 33

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What this part of the ranking shows

This page runs from Lehigh County, Pennsylvania at 384,383 residents to New Hanover County, North Carolina at 245,959 residents. The 100 entries represent 37 state-level jurisdictions. Texas has the most entries on this page (9).

Rank numbers continue across pages and describe the full selected ranking. They are not state ranks. Start at rank 1 for the leading entries, or open a county profile for its state rank and median comparisons.

Most populous counties, ranks 201 through 300. Population is the July 1, 2025 estimate; density is per square mile of land.
RankCounty / equivalentStatePopulationPer mi²Land mi²
201Lehigh CountyPennsylvania384,3831,113345.3
202Anoka CountyMinnesota381,605904422
203Lane CountyOregon381,584844,554.1
204Davis CountyUtah381,2271,173324.9
205Spartanburg CountySouth Carolina380,857471808.4
206Weld CountyColorado378,426953,985
207Larimer CountyColorado377,2921452,595.7
208Stark CountyOhio373,771650574.9
209Galveston CountyTexas372,207981379.4
210Washtenaw CountyMichigan370,214524706
211Orleans ParishLouisiana362,1542,136169.6
212Rockland CountyNew York357,3972,058173.7
213Somerset CountyNew Jersey356,4861,181301.9
214Marion CountyOregon355,7773011,180.8
215Nueces CountyTexas352,992421839.4
216Westmoreland CountyPennsylvania349,3243401,027.7
217Durham CountyNorth Carolina347,2401,208287.6
218St. Johns CountyFlorida346,328577600.7
219Henrico CountyVirginia342,7751,467233.7
220Howard CountyMaryland339,1831,352251
221Cumberland CountyNorth Carolina338,473519652.6
222Greater Bridgeport Planning RegionConnecticut337,6972,409140.2
223Lancaster CountyNebraska334,049399837.6
224Escambia CountyFlorida333,834508657
225Benton CountyArkansas332,554392847.7
226Luzerne CountyPennsylvania332,126373889.9
227Fayette CountyKentucky329,7511,162283.9
228San Juan MunicipioPuerto Rico329,7376,88347.9
229Lubbock CountyTexas328,906367895.6
230Boulder CountyColorado328,560452726.4
231Northampton CountyPennsylvania324,411877369.8
232Rockingham CountyNew Hampshire324,077466695.6
233Lorain CountyOhio323,219659490.5
234Albany CountyNew York321,225614522.9
235McHenry CountyIllinois317,751527603.4
236Lexington CountySouth Carolina317,588455698.5
237Cumberland CountyMaine317,222379836.2
238Gloucester CountyNew Jersey312,638971322
239Chatham CountyGeorgia311,855721432.8
240Greene CountyMissouri309,286458675.3
241Ottawa CountyMichigan308,459547563.5
242York CountySouth Carolina306,887451680.6
243Hays CountyTexas304,390450676.9
244Thurston CountyWashington304,261421722.5
245Cleveland CountyOklahoma303,973564538.9
246Frederick CountyMaryland302,883458660.7
247Dutchess CountyNew York300,708378795.6
248Cherokee CountyGeorgia299,273711421
249Leon CountyFlorida299,048447668.4
250Clayton CountyGeorgia297,4712,099141.7
251Merced CountyCalifornia297,2601531,938
252Dauphin CountyPennsylvania293,351559524.9
253Alachua CountyFlorida290,028331875.7
254Ingham CountyMichigan289,709521556.1
255Anchorage MunicipalityAlaska287,1551681,706.8
256Washington CountyMinnesota286,895746384.8
257Southeastern Connecticut Planning RegionConnecticut284,015475598.1
258Winnebago CountyIllinois283,674553513
259Kitsap CountyWashington283,374717395.1
260Forsyth CountyGeorgia282,8051,259224.6
261San Luis Obispo CountyCalifornia282,367863,300.8
262Webb CountyTexas281,224843,361.5
263St. Tammany ParishLouisiana279,108330845.3
264Atlantic CountyNew Jersey278,657502555.6
265Weber CountyUtah278,174455611
266St. Louis cityMissouri278,1444,50761.7
267Buncombe CountyNorth Carolina277,417423656.5
268Cumberland CountyPennsylvania277,270508545.5
269Sussex CountyDelaware277,140296936.2
270Brown CountyWisconsin275,803520530.1
271Canyon CountyIdaho275,123469587
272Berkeley CountySouth Carolina274,6662491,103.6
273St. Joseph CountyIndiana272,861596457.8
274Williamson CountyTennessee272,061467582.9
275McLennan CountyTexas272,0202621,036.7
276Washington CountyArkansas271,213288941.5
277Baldwin CountyAlabama267,7611681,589.9
278Union CountyNorth Carolina267,674423632.7
279Harford CountyMaryland266,446610437.1
280Erie CountyPennsylvania265,832333799
281Clay CountyMissouri265,032666397.7
282Henry CountyGeorgia264,922831318.7
283Kalamazoo CountyMichigan263,795469562
284Madison CountyIllinois263,110368715.5
285Yakima CountyWashington259,185604,294.5
286Santa Cruz CountyCalifornia258,852582445.1
287Lafayette ParishLouisiana257,949960268.8
288Warren CountyOhio257,181641401.4
289Johnston CountyNorth Carolina256,448324792
290Chesapeake cityVirginia255,332754338.5
291Jefferson CountyTexas254,321290876.7
292Marin CountyCalifornia253,694488520.1
293Yavapai CountyArizona252,552318,122.9
294Smith CountyTexas252,549274921.5
295St. Clair CountyIllinois250,708381657.7
296Montgomery CountyTennessee249,935464539.2
297Cabarrus CountyNorth Carolina249,725691361.3
298Brazos CountyTexas249,088425586.2
299Gaston CountyNorth Carolina246,558693355.8
300New Hanover CountyNorth Carolina245,9591,279192.3

Read the differences behind ranks 201–300

The median population among these 100 entries is 297,366. The first and last entries span 138,424 residents. This median describes the entries on this page, not the full national dataset. Pagination is a browsing boundary, not a distinct geographic region.

Adjacent ranks can differ by a handful of residents or by many thousands. Open a county profile for its population trend since 2020, land area, and state comparisons.

Where the entries on this page are located

  • Texas9 entries · 9% of this page
  • North Carolina8 entries · 8% of this page
  • Pennsylvania7 entries · 7% of this page
  • Georgia5 entries · 5% of this page
  • California4 entries · 4% of this page
  • Florida4 entries · 4% of this page

The remaining 31 jurisdictions contribute 63 entries. The list above shows the six most represented, with alphabetical ordering when counts tie.

These counts describe representation in this slice of the ranking. They do not measure a state’s share of national land or population. Compare the first and last county equivalents on this page to inspect land, water, and total area separately.

Read the geographic explanation behind this ranking, or return to the ranking overview for the national distribution and guidance on selecting a measurement.

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Browse by state for a complete state ranking.

Population rankings use Census Bureau Vintage 2025 estimates; density rankings divide them by original ALAND square meters. Land rankings use original ALAND square meters; total-area rankings use ALAND + AWATER. Exact ties use ascending GEOID. Displayed square-mile values are rounded. Read the methodology.