Sioux City metropolitan area#Metropolitan Statistical Area

{{Use mdy dates|date=June 2023}}

{{Infobox settlement

| official_name = Sioux City Metropolitan Area

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| settlement_type = Metropolitan Statistical Area

| motto =

| image_skyline = Sioux City, Iowa .jpg

| image_alt =

| imagesize = 300px

| image_caption = Skyline of Sioux City

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| image_map = {{maplink|frame=yes|plain=yes|frame-align=center|frame-width=290|frame-height=240|zoom=8|frame-coord={{coord|42.6000|-96.4100}}

| type1=shape|id1=Q486006|title1=Woodbury County, IA|stroke-color1=#83AE46|stroke-width1=0.5|fill1=#83AE46|fill-opacity1=0.4

| type2=shape|id2=Q490683|title2=Dakota County, NE|stroke-color2=#83AE46|stroke-width2=0.5|fill2=#83AE46|fill-opacity2=0.4

| type3=shape|id3=Q490710|title3=Dixon County, NE|stroke-color3=#83AE46|stroke-width3=0.5|fill3=#83AE46|fill-opacity3=0.4

| type4=shape|id4=Q495216|title4=Union County, SD|stroke-color4=#83AE46|stroke-width4=0.5|fill4=#83AE46|fill-opacity4=0.4

| type5=shape|id5=Q485710|title5=Plymouth County, IA|stroke-color5=#FFA500|stroke-width5=0.5|fill5=#FFA500|fill-opacity5=0.4

| type6=shape|id6=Q489255|title6=Sioux City, IA|stroke-color6=#007272|stroke-width6=0.5|fill6=#007272|fill-opacity6=0.4

| type7=shape|id7=Q966911|title7=South Sioux City, NE|stroke-color7=#32CD32|stroke-width7=0.5|fill7=#32CD32|fill-opacity7=0.4

| type8=shape|id8=Q3243570|title8=North Sioux City, SD|stroke-color8=#9FE2BF|stroke-width8=0.5|fill8=#9FE2BF|fill-opacity8=0.4

}}

| map_caption = Map of Sioux City–Le Mars, IA–NE–SD CSA

{{Col-begin}}

{{Col-break}}

{{leftlegend|#007272|Sioux City}}

{{leftlegend|#83AE46|Sioux City, IA–NE–SD MSA}}

{{leftlegend|#FFA500|Le Mars, IA µSA}}

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| subdivision_type = Country

| subdivision_name = File:Flag of United States.svg United States

| subdivision_type1 = State

| subdivision_name1 = File:Flag of Iowa.svg Iowa
File:Flag of Nebraska.svg Nebraska
File:Flag of South Dakota.svg South Dakota

| subdivision_type2 = Principal city

| subdivision_name2 = Sioux City

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| timezone = CST

| utc_offset = −6

| timezone_DST = CDT

| utc_offset_DST = −5

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}}

The Sioux City metropolitan statistical area, as defined by the United States Census Bureau, is an area consisting of four counties in three states – Iowa, Nebraska, and South Dakota, anchored by the city of Sioux City, Iowa. As of the 2020 census, the MSA had a population of 145,940.{{cite web | url = https://data.census.gov/table?q=total&t=Population+Total&g=310XX00US43580$0500000&tid=DECENNIALDHC2020.P1| title = Total Population| work = U.S. Census Bureau}} Plymouth County, Iowa, was removed from the definition of the MSA prior to the 2020 census.{{cite web|url=https://bidenwhitehouse.archives.gov/wp-content/uploads/2020/03/Bulletin-20-01.pdf|title=Revised Delineations of Metropolitan Statistical Areas, Micropolitan Statistical Areas, and Combined Statistical Areas, and Guidance on Uses of the Delineations of These Areas|work=Office of Management and Budget|date=March 6, 2020}}