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2026 Census Gazetteer

Largest counties by land area

All counties and county equivalents, including Alaska and Puerto Rico, ranked by land area. Alaska’s boroughs and census areas are included because they serve the same statistical level as counties.

Ranks 401–500

3,222 county equivalents · page 5 of 33

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What this part of the ranking shows

This page runs from Deaf Smith County, Texas at 1,496.822 mi² of land area to Costilla County, Colorado at 1,227.593 mi² of land area. The 100 entries represent 22 state-level jurisdictions. Texas has the most entries on this page (17).

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.

Largest counties by land area, ranks 401 through 500. Areas in square miles.
RankCounty / equivalentStateLand mi²Total mi²Water share
401Deaf Smith CountyTexas1,496.81,498.30.1%
402Stanislaus CountyCalifornia1,496.21,514.11.2%
403Barnes CountyNorth Dakota1,491.61,513.41.4%
404Lake CountyMontana1,490.51,6549.9%
405Cavalier CountyNorth Dakota1,489.11,509.81.4%
406La Salle CountyTexas1,486.71,494.20.5%
407Carbon CountyUtah1,479.31,485.30.4%
408Bayfield CountyWisconsin1,477.92,041.727.6%
409Hartley CountyTexas1,4621,463.10.1%
410Kenedy CountyTexas1,458.61,945.825%
411Sutton CountyTexas1,453.91,454.40%
412Washington CountyIdaho1,452.91,473.41.4%
413Cook CountyMinnesota1,452.63,339.856.5%
414Mariposa CountyCalifornia1,448.81,462.81%
415Stanley CountySouth Dakota1,444.41,517.24.8%
416Delaware CountyNew York1,442.61,467.41.7%
417Hand CountySouth Dakota1,436.61,440.20.2%
418Grand Forks CountyNorth Dakota1,436.21,439.40.2%
419Richland CountyNorth Dakota1,435.71,445.30.7%
420Liberty CountyMontana1,4301,447.11.2%
421Butler CountyKansas1,429.71,446.51.2%
422Daniels CountyMontana1,426.31,426.70%
423Morrill CountyNebraska1,423.71,430.10.4%
424Wheatland CountyMontana1,422.51,427.50.4%
425Pine CountyMinnesota1,411.31,434.61.6%
426Herkimer CountyNew York1,410.61,457.13.2%
427Placer CountyCalifornia1,407.41,502.26.3%
428Curry CountyNew Mexico1,405.51,408.60.2%
429Power CountyIdaho1,403.81,442.12.7%
430Pend Oreille CountyWashington1,400.21,425.51.8%
431Marinette CountyWisconsin1,399.51,5509.7%
432Dawes CountyNebraska1,396.41,4010.3%
433Pushmataha CountyOklahoma1,395.61,422.61.9%
434San Joaquin CountyCalifornia1,392.31,426.62.4%
435Kings CountyCalifornia1,3911,392.20.1%
436Steuben CountyNew York1,390.51,4041%
437San Benito CountyCalifornia1,388.71,390.50.1%
438Todd CountySouth Dakota1,388.61,390.90.2%
439Benson CountyNorth Dakota1,388.61,439.43.5%
440Brazoria CountyTexas1,363.31,608.715.3%
441Adams CountyIdaho1,362.81,369.50.5%
442Kinney CountyTexas1,360.51,365.10.3%
443Kidder CountyNorth Dakota1,351.11,432.85.7%
444Archuleta CountyColorado1,350.11,355.40.4%
445Stearns CountyMinnesota1,342.91,389.93.4%
446Stark CountyNorth Dakota1,334.91,340.30.4%
447Dimmit CountyTexas1,328.91,334.50.4%
448Osceola CountyFlorida1,327.31,50611.9%
449Vernon ParishLouisiana1,326.71,340.31%
450Medina CountyTexas1,325.41,334.50.7%
451Rapides ParishLouisiana1,324.11,361.52.7%
452Tuscaloosa CountyAlabama1,320.91,351.22.2%
453Becker CountyMinnesota1,3151,445.29%
454Glenn CountyCalifornia1,313.91,3271%
455Ontonagon CountyMichigan1,3113,740.465%
456Schleicher CountyTexas1,310.61,310.70%
457Cattaraugus CountyNew York1,308.21,322.41.1%
458Mellette CountySouth Dakota1,307.31,310.90.3%
459Pittsburg CountyOklahoma1,305.51,377.95.3%
460Douglas CountyWisconsin1,304.31,479.711.9%
461Finney CountyKansas1,3021,302.70.1%
462Lake of the Woods CountyMinnesota1,297.71,779.827.1%
463Zavala CountyTexas1,297.41,301.70.3%
464Santa Clara CountyCalifornia1,291.11,304.11%
465Cameron ParishLouisiana1,290.71,936.733.4%
466Conejos CountyColorado1,287.41,2910.3%
467San Miguel CountyColorado1,286.71,288.70.2%
468Woods CountyOklahoma1,286.51,2900.3%
469Walsh CountyNorth Dakota1,281.61,2941%
470Morgan CountyColorado1,280.51,293.91%
471Maverick CountyTexas1,279.51,291.81%
472Caddo CountyOklahoma1,277.81,290.11%
473Lewis CountyNew York1,276.31,291.61.2%
474Wells CountyNorth Dakota1,270.51,290.31.5%
475Walla Walla CountyWashington1,2701,2992.2%
476Boundary CountyIdaho1,268.71,278.10.7%
477Jefferson CountyNew York1,267.91,856.631.7%
478Coleman CountyTexas1,2631,281.41.4%
479Otero CountyColorado1,261.91,269.70.6%
480Divide CountyNorth Dakota1,261.11,294.62.6%
481Beadle CountySouth Dakota1,258.71,264.80.5%
482Sawyer CountyWisconsin1,257.61,350.26.9%
483Reno CountyKansas1,255.31,272.11.3%
484Lake CountyCalifornia1,255.11,328.15.5%
485Price CountyWisconsin1,254.11,2781.9%
486Natchitoches ParishLouisiana1,2531,299.63.6%
487Kimble CountyTexas1,2511,251.20%
488Woodward CountyOklahoma1,242.81,246.50.3%
489Franklin CountyWashington1,241.61,2651.8%
490Upton CountyTexas1,241.31,241.50%
491Bexar CountyTexas1,240.51,256.11.2%
492Clarke CountyAlabama1,238.41,252.61.1%
493Kootenai CountyIdaho1,237.81,3095.4%
494Santa Cruz CountyArizona1,236.31,237.40.1%
495Ellis CountyOklahoma1,231.51,231.80%
496Houston CountyTexas1,2311,236.60.5%
497Terrebonne ParishLouisiana1,229.92,082.240.9%
498Mobile CountyAlabama1,229.41,644.125.2%
499Lycoming CountyPennsylvania1,228.91,243.91.2%
500Costilla CountyColorado1,227.61,2310.3%

Read the differences behind ranks 401–500

The median land area among these 100 entries is 1,324.723 mi². The first and last entries span 269.229 square miles. This median describes the entries on this page, not the full national dataset. Pagination is a browsing boundary, not a distinct geographic region.

A difference of one position means only that two entries are adjacent in this ordering. Their actual size difference can be tiny or substantial. Compare the measurements as well as the rank, and use the original square-meter fields when rounded labels appear equal.

Where the entries on this page are located

  • Texas17 entries · 17% of this page
  • North Dakota10 entries · 10% of this page
  • California9 entries · 9% of this page
  • Colorado6 entries · 6% of this page
  • New York6 entries · 6% of this page
  • Oklahoma6 entries · 6% of this page

The remaining 16 jurisdictions contribute 46 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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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.