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

Change Cities
Highlights
- Mason City is 0% more densely populated than Sioux City.
- People are 10.1% more likely to be married in Mason City.
- The Median Age is 7.7 years older in Mason City.
 Sioux City, IAMason City, IAUnited States
 Population  Unlock27,385329,725,481
 Female Population50.0%  Unlock50.5%
 Male Population50.0%  Unlock49.5%
 Median Age  Unlock42.538.4
 space3
 Population - 201082,855  Unlock309,327,143
 Population - 2000  Unlock29,172285,036,114
 Population - 199080,505  Unlock251,960,433
 Pop. 2000 to Now  Unlock-8.5%15.6%
 Pop. 1990 to Now2.8%  Unlock30.8%
 space4
 Population Density  Unlock985.393.4
 Land Area58.4  Unlock3,531,905.4
 Water Area  Unlock0.3264,836.8
 space
 Est. Total Population By Age
 Sioux City, IAMason City, IAUnited States
 Age 0 to 47.3%  Unlock5.9%
 Age 5 to 9  Unlock5.1%6.1%
 Age 10 to 147.4%  Unlock6.6%
 Age 15 to 17  Unlock3.2%3.9%
 Age 18 to 205.1%  Unlock4.0%
 Age 21 to 24  Unlock4.4%5.2%
 Age 25 to 3413.0%  Unlock13.8%
 Age 35 to 44  Unlock11.1%12.9%
 Age 45 to 5411.8%  Unlock12.6%
 Age 55 to 59  Unlock6.4%6.7%
 Age 60 to 645.5%  Unlock6.3%
 Age 65 to 74  Unlock11.7%9.6%
 Age 75 to 843.9%  Unlock4.5%
 Age 85 and over  Unlock3.3%1.9%
 space1
 Race
 Sioux City, IAMason City, IAUnited States
 White65.0%  Unlock59.4%
 Black  Unlock2.6%12.2%
 Asian2.9%  Unlock5.6%
 Native American  Unlock0.4%0.6%
 Hawaiian, Pacific Islander0.5%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races4.1%  Unlock3.2%
 Hispanic  Unlock6.1%18.4%
 space2
 Marriage & Family
 Sioux City, IAMason City, IAUnited States
 Married Population47.1%  Unlock49.8%
     Currently Married  Unlock50.7%48.0%
 Married but Separated2.0%  Unlock1.8%
 Single Population  Unlock48.1%50.2%
 Never Married35.8%  Unlock33.8%
 Divorced  Unlock12.0%10.8%
 Widowed5.1%  Unlock5.6%
 space5
 Household Size  Unlock2.092.60
 Households32,051  Unlock124,010,992
 Family Households  Unlock7,26480,755,759
     Married couple, w/children29.9%  Unlock30.5%
     Married couple, no children  Unlock51.4%42.9%
 Non Family Households11,876  Unlock43,255,233
     Single householder, w/children  Unlock16.5%15.8%
     Single householder, no children9.2%  Unlock10.8%
Reviews for Sioux City    12 Reviews

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

   |    Reply

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

   |    Reply

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

   |    Reply

Start Your Review of Sioux City

Reviews for Mason City    8 Reviews

I am from the area originally and have lived several places. I recently moved back from Arizona. I moved back to help with my elderly parents. If I did not have  More

   |    Reply

Over 13 years ago

Where to begin?? Murder,arson,abductions,beastialty,gang killings,meth labs,pantie thiefs. High utility bills, no jobs, corrupt police, evil judges, minus 40 below wind  More

   |    Reply

Over 14 years ago

Unless you have a tie to Mason City, such as family, don't even consider this desolate town. The population is declining rapidly for a reason. You are on an island,  More

   |    Reply

Start Your Review of Mason City


Premium Subscription
Includes Cost of Living compares for child care, utilities, transportation, health, taxes, housing for home owners vs renters, weather, insurance premiums and so much more.


The premier source for comprehensive city data for over 30 years.

© Best Places. All rights reserved.