Sioux City, IA Profile: Facts, Map & Data


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Sioux City, Iowa - Basic Facts

The City of Sioux City is the 4th largest city in Iowa with a population of 84,088 as of July 1, 2017. Sioux City ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Iowa. See peer rankings below.

The primary coordinate point for Sioux City is located at latitude 42.4957 and longitude -96.3905 in Woodbury County. The formal boundaries for the City of Sioux City (see map below) encompass a land area of 58.07 sq. miles and a water area of 1.16 sq. miles. Woodbury County is in the Central time zone (GMT -6). The elevation is 1,201 feet.

The City of Sioux City (GNIS ID: 468720) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Sioux City is located within , a minor civil division (MCD) of Woodbury County.

Beneath the boundary map are tables with Sioux City population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of Sioux City, IA Boundary Map

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Sioux City, IA Data & Demographics (As of July 1, 2017)


Total Population 84,088
Daytime Population: Workers 46,609
Daytime Population: Residents 42,508
Total Daytime Population (TDP) 89,117
Ratio TDP/Total Population1 1.06
Population in Households 81,529
Population in Familes 63,610
Population in Group Qrtrs 2,559
Population Density2 1,448
Diversity Index3 60


Median Household Income $46,599
Average Household Income $60,297
Per Capita Income $23,296


Total Housing Units 33,863 (100%)
Owner Occupied HU 19,903 (58.8%)
Renter Occupied HU 12,026 (35.5%)
Vacant Housing Units 1,934 ( 5.7%)
Median Home Value $96,909
Average Home Value $128,011


Total Households 31,929
Average Household Size 2.55
Family Households 20,099
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.24% 0.19%
Households 0.16% 0.15%
Families -0.02% 0.02%
Median Household Income   1.39%
Per Capita Income   1.78%

Sioux City, IA - Peer Comparisons by Rank and Percentile

The table below compares Sioux City to the other 1,009 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 4 100th
Population Density # 112 89th
Diversity Index # 12 99th
Median Household Income # 797 21st
Per Capita Income # 879 13th

Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.

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