Sidney, Montana Population 2020

5,808

Sidney is a city located in Montana. With a 2020 population of 5,808, it is the 16th largest city in Montana and the 4366th largest city in the United States. Sidney is currently declining at a rate of -3.63% annually but its population has increased by 11.89% since the most recent census, which recorded a population of 5,191 in 2010. Sidney reached it's highest population of 6,825 in 2015. Spanning over 3 miles, Sidney has a population density of 1,766 people per square mile.

The average household income in Sidney is $76,784 with a poverty rate of 4.72%. The median rental costs in recent years comes to $819 per month, and the median house value is $213,000. The median age in Sidney is 35.8 years, 34.8 years for males, and 38 years for females. For every 100 females there are 99.4 males.

Sidney Demographics

According to the most recent ACS, the racial composition of Sidney was:

  • White: 93.73%
  • Native American: 3.20%
  • Two or more races: 2.72%
  • Other race: 0.36%
  • Black or African American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Sidney, Montana is 5,808, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 6,246.The last official US Census in 2010 recorded the population at 5,191.

Sidney, Montana Population 2020

Population by Race

Race Population Percentage
White6,06993.73%
American Indian and Alaska Native2073.20%
Two or More Races1762.72%
Some Other Race230.36%

Sidney Population Pyramid 2020

Sidney Median Age

35.8


Total

34.8


Male

38


Female

Sidney Adults

There are 4,855 adults, (841 of whom are seniors) in Sidney.

Sidney Age Dependency

61.3

Age Dependency Ratio

21

Old Age Dependency Ratio

40.4

Child Dependency Ratio

Sidney Sex Ratio

Female

3,247

50.15%

Male

3,228

49.85%

Sidney Households and Families

Sidney Renter vs Owner Occupied by Household Type

Sidney Household Types

Type Owner Renter
Married75.4%24.6%
Female60.4%39.6%
All58.3%41.7%
Male50.3%49.7%
Non Family41.1%58.9%

58.3%

Rate of Home Ownership

Type Count Average Size Owned
All2,5432.5258.3
Married1,0993.5475.4
Non Family1,0411.2341.1
Female2302.8460.4
Male1733.3950.3

3.32

Average Family Size

2.52

Average Household Size

9.8%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Sidney Education

Education Attained Count Percentage
Less Than 9th Grade1643.87%
9th to 12th Grade2044.81%
High School Graduate1,56336.88%
Some College1,12626.57%
Associates Degree4179.84%
Bachelors Degree57413.54%
Graduate Degree1904.48%

Sidney Educational Attainment by Race

Name Total High School Bachelors
White3,7543,500697
Hispanic26515129
Native American13913438
Multiple Races8585
Other Race2323

The highest rate of high school graduation is among other race people with a rate of 100.00%.

The highest rate of bachelors degrees is among native american people with a rate of 27.34%.

Name Average Male Female
Overall$40,515$52,593$32,399
Less Than High School$25,972$46,545$
High School Grad$34,401$38,346$27,170
Some College$42,279$60,887$31,979
Bachelors Degree$46,771$70,550$37,353
Graduate Degree$50,489$50,417$50,515

$40,515

Average Earnings

$52,593

Average Male

$32,399

Average Female

Sidney Language

Sidney Language by Age

Sidney Language

92.87% of Sidney residents speak only English, while 7.13% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.10% of the population.

Sidney Poverty

Sidney Poverty by Race

Name Total In Poverty Poverty Rate
White5,6182995.32%
Hispanic44951.11%
Native20752.42%

4.72%

Overall Poverty Rate

4.18%

Male Poverty Rate

5.25%

Female Poverty Rate

Poverty in Sidney

The race most likely to be in poverty in Sidney is White, with 5.32% below the poverty level.

The race least likely to be in poverty in Sidney is Hispanic, with 1.11% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.00%. Among those working part-time, it was 5.17%, and for those that did not work, the poverty rate was 14.17%.

Name Poverty
Less Than High School7.34%
High School5.12%
Bachelors or Greater3.80%
Some College3.37%
Name Poverty
Male Unemployed29.41%
Female Employed1.07%
Male Employed1.02%
Female Unemployed0.00%

Sidney Income

Sidney Income by Household Type

Name Median Mean
Households$60,716$76,784
Families$74,921$96,600
Married Families$84,943-
Non Families$36,039$43,066

Sidney Marital Status

Sidney Marital Status

Marriage Rates

46.6%

Overall Marriage Rate

44.3%

Male Marriage Rate

48.9%

Female Marriage Rate

Sidney Married by Age and Sex

Sidney Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Sidney Marital Status by Race

Sidney Veterans

378

Number of Veterans

365

Male Veterans

13

Female Veterans

War Veterans
Vietnam168
First Gulf War66
Second Gulf War54
Korea17
World War II4

$Sidney Veterans by Education

1.85%

Veteran Poverty Rate

19.58%

Veteran Disability Rate

Sidney Employment Status

71.1%

Labor Force Participation

70%

Employment Rate

1.6%

Unemployment Rate

Sidney Place of Birth

Origin of Non-Citizens

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

52.02%

Born in Montana

97.05%

Native Born

2.95%

Foreign Born

2.21%

Non Citizen

Place of Birth

97.05% of Sidney residents were born in the United States, with 52.02% having been born in Montana. 2.21% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Year Population Growth Annual Growth Rate
20205,808-219-3.63%
20196,027-219-3.51%
20186,246-83-1.31%
20176,329-219-3.34%
20166,548-277-4.06%
20156,8253355.16%
20146,4901983.15%
20136,2922914.85%
20126,0014267.64%
20115,5752444.58%
20105,3315571.11%
20004,774-443-0.88%
19905,217-509-0.93%
19805,7261,1832.34%
19704,543-21-0.05%
19604,5645771.36%
19503,9871,0092.96%
19402,9780.00%