洛克黑文：修订间差异

|area_footnotes = <ref name="CenPopGazetteer2019">{{cite web|title=2019 U.S. Gazetteer Files|url=https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2019_Gazetteer/2019_gaz_place_42.txt|publisher=United States Census Bureau|access-date=July 28, 2020|archive-date=2020-01-16|archive-url=https://web.archive.org/web/20200116050212/https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2019_Gazetteer/2019_gaz_place_42.txt|dead-url=no}}</ref>

|population_footnotes = <ref name="USCensusEst2020-2021">{{cite web |last1=Bureau |first1=US Census |title=City and Town Population Totals: 2020—2021 |url=https://www.census.gov/data/tables/time-series/demo/popest/2020s-total-cities-and-towns.html |website=Census.gov |publisher=US Census Bureau |access-date=July 26, 2022 |archive-date=2022-07-11 |archive-url=https://web.archive.org/web/20220711040810/https://www.census.gov/data/tables/time-series/demo/popest/2020s-total-cities-and-towns.html |dead-url=no }}</ref>

洛克黑文是克林顿县的县城<ref>{{cite web|title=Find a County |publisher=National Association of Counties |year=2005 |url=http://www.naco.org/Template.cfm?Section=Find_a_County&Template=/cffiles/counties/usamap.cfm |access-date=May 11, 2009 |archive-url=https://web.archive.org/web/20080626200900/http://www.naco.org/Template.cfm?Section=Find_a_County&Template=%2Fcffiles%2Fcounties%2Fusamap.cfm |archive-date=June 26, 2008 |url-status=dead }}。</ref>根据[[美国普查局]]的数据，该市总面积为2.7平方英里（7.0平方公里），其中2.5平方英里（6.5平方公里）为陆地，约0.5平方公里（6%）是水域。<ref>{{cite web | title = United States Gazetteer files: 2014 (places) | url = http://www2.census.gov/geo/docs/maps-data/data/gazetteer/2014_Gazetteer/2014_gaz_place_42.txt | publisher = United States Census Bureau | access-date = April 21, 2015 | archive-date = 2022-09-28 | archive-url = https://web.archive.org/web/20220928212024/https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2014_Gazetteer/2014_gaz_place_42.txt | dead-url = no }}</ref>。