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2025 Compare Cities People:
Sioux City, IA vs Johnston, IA

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Highlights
- Johnston is 0% more densely populated than Sioux City.
- People are 28.8% more likely to be married in Johnston.
- The Median Age is 2.9 years older in Johnston.
 Sioux City, IAJohnston, IAUnited States
 Population  Unlock23,418329,725,481
 Female Population50.0%  Unlock50.5%
 Male Population50.0%  Unlock49.5%
 Median Age  Unlock37.738.4
 space3
 Population - 201082,855  Unlock309,327,143
 Population - 2000  Unlock8,649285,036,114
 Population - 199080,505  Unlock251,960,433
 Pop. 2000 to Now  Unlock167.0%15.6%
 Pop. 1990 to Now2.8%  Unlock30.8%
 space4
 Population Density  Unlock1,397.793.4
 Land Area58.4  Unlock3,531,905.4
 Water Area  Unlock1.5264,836.8
 space
 Est. Total Population By Age
 Sioux City, IAJohnston, IAUnited States
 Age 0 to 47.3%  Unlock5.9%
 Age 5 to 9  Unlock8.6%6.1%
 Age 10 to 147.4%  Unlock6.6%
 Age 15 to 17  Unlock5.0%3.9%
 Age 18 to 205.1%  Unlock4.0%
 Age 21 to 24  Unlock3.7%5.2%
 Age 25 to 3413.0%  Unlock13.8%
 Age 35 to 44  Unlock13.5%12.9%
 Age 45 to 5411.8%  Unlock12.6%
 Age 55 to 59  Unlock7.0%6.7%
 Age 60 to 645.5%  Unlock6.3%
 Age 65 to 74  Unlock9.1%9.6%
 Age 75 to 843.9%  Unlock4.5%
 Age 85 and over  Unlock2.0%1.9%
 space1
 Race
 Sioux City, IAJohnston, IAUnited States
 White65.0%  Unlock59.4%
 Black  Unlock9.9%12.2%
 Asian2.9%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.5%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races4.1%  Unlock3.2%
 Hispanic  Unlock3.2%18.4%
 space2
 Marriage & Family
 Sioux City, IAJohnston, IAUnited States
 Married Population47.1%  Unlock49.8%
     Currently Married  Unlock59.4%48.0%
 Married but Separated2.0%  Unlock1.8%
 Single Population  Unlock39.3%50.2%
 Never Married35.8%  Unlock33.8%
 Divorced  Unlock9.3%10.8%
 Widowed5.1%  Unlock5.6%
 space5
 Household Size  Unlock2.502.60
 Households32,051  Unlock124,010,992
 Family Households  Unlock6,29880,755,759
     Married couple, w/children29.9%  Unlock30.5%
     Married couple, no children  Unlock44.1%42.9%
 Non Family Households11,876  Unlock43,255,233
     Single householder, w/children  Unlock16.4%15.8%
     Single householder, no children9.2%  Unlock10.8%
Voting
Reviews for Sioux City    12 Reviews
Maureen · Sioux City, IA
Unclench, Siouxland...
Over 7 years ago

I’ve been here only 4 months and I’m still shocked at how people behave. Not friendly, rude. Can’t tell you how many businesses I’ve been in to where the reception staff  More

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Mike · Sioux City, IA
Sioux City, Woodbury, Iowa
Over 10 years ago

Climate in winter ranges from 10-15 degrees to 85+ in the summer 7% sale tax population @75,000, economy ok  More

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Joshua · Sioux City, IA
Great Place!!!!!!!!!!!!!
Over 14 years ago

Sioux City is an amazing place. Low crime rate, Great Schools, Great People, Most People are friendly and Polite. Just an overall great place to live!!!!!!!!!!!   More

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Reviews for Johnston    2 Reviews
Riana · Johnston, IA
Great Schools
Over 6 years ago

Strong National Guard presence and very family-friendly. The library is the best one that I've ever visited. We moved here for the Army two years ago and will be leaving  More

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Callie · Johnston, IA
the cost of living
Over 16 years ago

Everyone here is rich. Really, really,  More

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Learn More About Sioux City, Iowa
Overview
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Learn More About Johnston, Iowa
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