2026 Census Gazetteer

Smallest counties by land area

The smallest county equivalents by land area. Independent cities appear alongside counties, so small city jurisdictions can rank ahead of rural counties.

Ranks 1–100

3,222 county equivalents · page 1 of 33

Download the full dataset

What this part of the ranking shows

This page runs from Falls Church city, Virginia at 2.046 mi² of land area to San Germán Municipio, Puerto Rico at 54.444 mi² of land area. The 100 entries represent 9 state-level jurisdictions. Puerto Rico has the most entries on this page (58).

Falls Church city ranks first at 2.046 mi² of land area. The gap to second-place Lexington city is 0.453 mi². Compare the first two entries for separate land and water measurements.

This ranking compares Census county equivalents, including independent cities. It is not a list restricted to jurisdictions whose official name ends in “County.”

Smallest counties by land area, ranks 1 through 100. Areas in square miles.
RankCounty / equivalentStateLand mi²Total mi²Water share
1Falls Church cityVirginia220%
2Lexington cityVirginia2.52.51%
3Manassas Park cityVirginia330%
4Cataño MunicipioPuerto Rico4.8731%
5Covington cityVirginia5.55.73.5%
6Fairfax cityVirginia6.26.30.5%
7Buena Vista cityVirginia6.46.51.3%
8Emporia cityVirginia6.66.70.7%
9Norton cityVirginia7.57.50.5%
10Colonial Heights cityVirginia7.57.83.5%
11Galax cityVirginia8.28.30.5%
12Franklin cityVirginia8.38.41.1%
13Williamsburg cityVirginia8.99.11.8%
14Winchester cityVirginia9.29.20.2%
15Radford cityVirginia9.7103.3%
16Manassas cityVirginia9.89.90.6%
17Charlottesville cityVirginia10.210.30.2%
18Hopewell cityVirginia10.410.84.4%
19Fredericksburg cityVirginia10.510.50.7%
20Martinsville cityVirginia11110.5%
21Hormigueros MunicipioPuerto Rico11.311.30%
22Culebra MunicipioPuerto Rico11.6168.893.1%
23Kalawao CountyHawaii1252.877.3%
24Bristol cityVirginia12.9130.9%
25Rincón MunicipioPuerto Rico14.354.473.7%
26Salem cityVirginia14.514.60.7%
27Alexandria cityVirginia14.915.32.7%
28Waynesboro cityVirginia1515.10.9%
29Arroyo MunicipioPuerto Rico1535.757.9%
30Florida MunicipioPuerto Rico15.215.20.1%
31Poquoson cityVirginia15.478.580.4%
32Harrisonburg cityVirginia17.317.40.3%
33Barceloneta MunicipioPuerto Rico18.73139.7%
34Loíza MunicipioPuerto Rico19.465.670.5%
35Staunton cityVirginia19.9200.3%
36Trujillo Alto MunicipioPuerto Rico20.721.42.9%
37Maunabo MunicipioPuerto Rico21.238.444.8%
38New York CountyNew York22.733.933.1%
39Quebradillas MunicipioPuerto Rico22.734.334%
40Petersburg cityVirginia22.722.91%
41Dorado MunicipioPuerto Rico23.153.857%
42Toa Baja MunicipioPuerto Rico23.341.844.3%
43Bristol CountyRhode Island24.144.746.1%
44Luquillo MunicipioPuerto Rico25.846.544.5%
45Arlington CountyVirginia2626.10.4%
46Juncos MunicipioPuerto Rico26.526.60.5%
47Toa Alta MunicipioPuerto Rico2727.62.1%
48Naranjito MunicipioPuerto Rico27.427.71.1%
49Guaynabo MunicipioPuerto Rico27.627.70.7%
50Vega Alta MunicipioPuerto Rico27.737.526.1%
51Gurabo MunicipioPuerto Rico27.928.31.5%
52Comerío MunicipioPuerto Rico28.428.60.5%
53Ceiba MunicipioPuerto Rico29158.881.7%
54Fajardo MunicipioPuerto Rico29.9105.371.6%
55Aguas Buenas MunicipioPuerto Rico30.130.10%
56Aguada MunicipioPuerto Rico30.845.532.2%
57Aibonito MunicipioPuerto Rico31.331.30.1%
58Canóvanas MunicipioPuerto Rico32.9330.4%
59Broomfield CountyColorado3333.51.7%
60Portsmouth cityVirginia33.346.728.7%
61Las Piedras MunicipioPuerto Rico33.933.90%
62Santa Isabel MunicipioPuerto Rico34.17755.7%
63Barranquitas MunicipioPuerto Rico34.234.20%
64Villalba MunicipioPuerto Rico35.6373.8%
65Cidra MunicipioPuerto Rico3636.41.2%
66Sabana Grande MunicipioPuerto Rico36.336.30%
67Aguadilla MunicipioPuerto Rico36.575.651.6%
68Maricao MunicipioPuerto Rico36.636.60%
69Guánica MunicipioPuerto Rico37.179.553.3%
70Morovis MunicipioPuerto Rico38.938.90.1%
71Añasco MunicipioPuerto Rico39.344.912.5%
72Hatillo MunicipioPuerto Rico41.758.728.9%
73Bronx CountyNew York42.257.426.4%
74Guayanilla MunicipioPuerto Rico42.264.234.2%
75Roanoke cityVirginia42.542.90.8%
76Corozal MunicipioPuerto Rico42.542.50%
77Danville cityVirginia42.843.72.1%
78Bayamón MunicipioPuerto Rico44.444.60.3%
79Jayuya MunicipioPuerto Rico44.544.50%
80Peñuelas MunicipioPuerto Rico44.767.934.2%
81Humacao MunicipioPuerto Rico44.771.437.4%
82Manatí MunicipioPuerto Rico44.770.636.6%
83Carolina MunicipioPuerto Rico45.460.324.8%
84Vega Baja MunicipioPuerto Rico45.968.232.8%
85Nantucket CountyMassachusetts46.2303.784.8%
86Hudson CountyNew Jersey46.262.325.9%
87Las Marías MunicipioPuerto Rico46.446.50.2%
88Camuy MunicipioPuerto Rico46.46225.1%
89Patillas MunicipioPuerto Rico46.675.238%
90San Francisco CountyCalifornia46.7231.979.9%
91San Juan MunicipioPuerto Rico47.97737.8%
92Lynchburg cityVirginia48.949.51.1%
93Moca MunicipioPuerto Rico50.450.40%
94Vieques MunicipioPuerto Rico50.826480.8%
95Hampton cityVirginia51.5136.362.2%
96Naguabo MunicipioPuerto Rico51.772.328.5%
97Cayey MunicipioPuerto Rico51.951.90.1%
98San Lorenzo MunicipioPuerto Rico53.153.20.2%
99Norfolk cityVirginia53.396.444.7%
100San Germán MunicipioPuerto Rico54.454.50%

Read the differences behind ranks 1–100

The median land area among these 100 entries is 27.784 mi². The first and last entries span 52.398 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

  • Puerto Rico58 entries · 58% of this page
  • Virginia34 entries · 34% of this page
  • New York2 entries · 2% of this page
  • California1 entry · 1% of this page
  • Colorado1 entry · 1% of this page
  • Hawaii1 entry · 1% of this page

The remaining 3 jurisdictions contribute 3 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.

Find a county

Browse by state for a complete state ranking.

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.