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.
14,933
Population
-0.03%
Annual growth
25
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 distinguished by its share of foreign-born residents, 12.8% of the population. With 14,933 residents, Sibley County is a county in Minnesota.
Median household income is $76,082, near the US median of $78,538. The poverty rate, 4.9%, is on the lower side for US counties and below the national 12.4%. The typical home is valued at $215,000, with typical rent around $858.
18.6% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Around 9.9% of workers work from home, below the national 14.0%, and the average commute runs about 27 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 |
|---|---|
| 2010 | 15,257 |
| 2011 | 15,167 |
| 2012 | 15,082 |
| 2013 | 15,057 |
| 2014 | 14,933 |
| 2015 | 14,893 |
| 2016 | 14,832 |
| 2017 | 14,916 |
| 2018 | 15,024 |
| 2019 | 14,868 |
| 2020 | 14,801 |
| 2021 | 14,935 |
| 2022 | 14,964 |
| 2023 | 15,131 |
| 2024 | 15,194 |
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
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
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
Other counties in Minnesota
Part of Minnesota
Metro areas in Minnesota
County 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.
Sibley County, MN Climate
Sibley County, MN has an average annual temperature of 7°C (45°F) and receives about 736 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
7°C
Avg Temp
736
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -11° / 12° | 19 mm |
| February | -7° / 19° | 17 mm |
| March | 0° / 31° | 46 mm |
| April | 8° / 46° | 65 mm |
| May | 15° / 60° | 85 mm |
| June | 20° / 69° | 113 mm |
| July | 22° / 72° | 100 mm |
| August | 21° / 69° | 99 mm |
| September | 16° / 60° | 72 mm |
| October | 9° / 48° | 56 mm |
| November | 0° / 32° | 43 mm |
| December | -8° / 17° | 21 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Sibley County, MN
The most comfortable months to visit Sibley County, MN are typically August, June and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -16°C low). June is usually the wettest month.
Where to stay near Sibley County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.