Sibley County, Minnesota Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 56th-largest in Minnesota

The population of Sibley County, Minnesota is 14,933 as of the 2023 American Community Survey, making it the 56th-largest county in Minnesota. The median household income is $76,082, the median home value is $215,000, and the median age is 42.2.

The population of Sibley County has declined 0.4% since 2010 (15,257 → 15,194), a -0.03% annualized rate.

Sibley County within Minnesota · Source: US Census TIGER/Line via us-atlas

14,933

Population

-0.03%

Annual growth

People / sq mi

$76,082

Median Income

$215,000

Median Home Value

Sibley County covers 589 sq mi of land at 25.4 people per square mile.

About Sibley County, MN

Sibley County is a county in Minnesota with a population of 14,933. It ranks #56 among counties in Minnesota by population. The median age is 42.2, older than the national median. The population is 51.5% male and 48.5% female.

The median household income in Sibley County is $76,082, near the US median of $74,580. 4.9% of residents live below the federal poverty level. Home values sit at a median of $215,000, with monthly rent averaging $858. The homeownership rate of 81.3% is higher than the national rate of 64.8%.

Educational attainment in Sibley County reflects 18.6% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 9.9% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 27.3 minutes each way.

Sibley County Population History (2010-2024)

The county of Sibley County had a population of 15,257 in 2010 and 15,194 in 2024, a -0.4% growth over 14 years. The peak was 15,257 in 2010. Average annual growth rate: -0.03%.

15,194

Population (2024)

15,257

Population (2010)

15,257

Peak (2010)

-0.03%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	15,257	-	-	estimate
2011	15,167	-90	-0.59%	estimate
2012	15,082	-85	-0.56%	estimate
2013	15,057	-25	-0.17%	estimate
2014	14,933	-124	-0.82%	estimate
2015	14,893	-40	-0.27%	estimate
2016	14,832	-61	-0.41%	estimate
2017	14,916	+84	+0.57%	estimate
2018	15,024	+108	+0.72%	estimate
2019	14,868	-156	-1.04%	estimate
2020	14,801	-67	-0.45%	estimate
2021	14,935	+134	+0.91%	estimate
2022	14,964	+29	+0.19%	estimate
2023	15,131	+167	+1.12%	estimate
2024	15,194	+63	+0.42%	estimate

Race & Ethnicity

White	89.4%
Black or African American	1.0%
Asian	0.0%
Hispanic or Latino (any race)	0.7%
Two or More Races	0.0%

Age & Sex

42.2

Median Age

48.5%

Female

51.5%

Male

19.0%

Age 65+

Age Distribution

Under 5

5.8%

5–9

6.3%

10–14

6.7%

15–19

6.1%

20–24

5.1%

25–34

11.8%

35–44

11.9%

45–54

11.9%

55–59

7.5%

60–64

7.9%

65–74

10.6%

75–84

5.3%

85+

3.1%

Children (under 15): 18.8% · Seniors (65+): 19.0%

Income & Poverty

Median household income	$76,082$-11,474 vs state
Mean household income	$95,336
Per-capita income	$38,862
Poverty rate	4.9%-0.6% vs state
Unemployment rate	2.6%
Employment-to-population	64.5%

Top Industries by Employment

Professional & business services

21.5%

Manufacturing

20.2%

Construction

9.5%

Agriculture

9.3%

Finance & real estate

6.5%

Education & health care

5.3%

Retail trade

4.4%

Information

4.4%

The largest employment sector in Sibley County is professional & business services, accounting for 21.5% of workers.

How residents commute

0.1%

Drive alone

2.9%

Carpool

79.1%

Public transit

9.9%

Work from home

27.3 min

Avg commute

Housing

$215,000$-90,500 vs state

Median home value

$858

Median rent

81.3%

Homeownership rate

6,482

Total housing units

90.8%

Occupied

9.2%

Vacant

18.7%

Renter-occupied

Social & access

95.8%

With health insurance

92.3%

With broadband internet

12.8%

Foreign-born

5.6%

Veterans (18+)

13.5%

With a disability

92.2%

Speak language other than English at home

Education

92.5%

High School+

18.6%

Bachelor's+

Largest cities in Minnesota

Minneapolis (426,845)St. Paul (307,762)Rochester (121,638)Bloomington (88,838)Duluth (86,863)Brooklyn Park (84,349)Plymouth (79,526)Woodbury (76,945)Lakeville (72,480)Blaine (71,261)All Minnesota cities →

Other counties in Minnesota

Hennepin County (1,268,903)Ramsey County (544,438)Dakota County (442,204)Anoka County (367,095)Washington County (272,298)St. Louis County (200,056)Olmsted County (163,425)Stearns County (159,358)Scott County (152,957)Wright County (145,270)All Minnesota counties →

Part of Minnesota

Minnesota demographic profile All Minnesota data →

Metro areas in Minnesota

Minneapolis (3,693,351)Sioux Falls (293,107)Duluth (280,710)Fargo (254,914)Rochester (227,252)St. Cloud (200,816)La Crosse (169,945)Mankato (103,736)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All rankings →

Frequently Asked Questions

Sibley County, Minnesota has a population of 14,933 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 56th-largest county in Minnesota. Population density is 25 people per square mile.

The population of Sibley County has declined 0.4% since 2010 (15,257 → 15,194), a -0.03% annualized rate.

The median household income in Sibley County, Minnesota is $76,082, with mean (average) household income of $95,336 and per-capita income of $38,862. 4.9% of residents live below the federal poverty level.

In Sibley County, the largest racial and ethnic groups are White (89.4%), Black or African American (1.0%), Hispanic or Latino (0.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Sibley County, Minnesota is 42.2 years. Residents are 48.5% female and 51.5% male.

The median home value in Sibley County is $215,000 and median monthly rent is $858. 81.3% of occupied housing units are owner-occupied. The county has 6,482 total housing units, 9.2% of which are vacant.

The largest employment sector in Sibley County, Minnesota is professional, scientific, and management services, employing 21.5% of workers. The unemployment rate is 2.6%.

Minneapolis is among the largest cities associated with Sibley County, Minnesota, with a population of 426,845.