• county
  • FIPS 55011
  • Largest town: Mondovi

Buffalo County, Wisconsin

Buffalo County had 13,464 residents in the Census Vintage 2024 estimate, on 675.8 square miles of land. It ranks 67th of 72 in Wisconsin by population and 42nd by land area.

Population
13,464
#67 of 72 in Wisconsin · #2,191 in US
Area
675.8 sq mi
#42 of 72 in Wisconsin · #1,390 in US
Density
20 / sq mi
#63 of 72 in Wisconsin · #2,251 in US
Median household income
$73,869
#23 of 72 in Wisconsin · #737 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Buffalo County within Wisconsin. Pin: Madison.

Buffalo County population, land area and income

Buffalo County had 13,464 residents in the Census Vintage 2024 estimate, on 675.8 square miles of land. It ranks 67th of 72 in Wisconsin by population and 42nd by land area. That works out to 19.9 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Wisconsin has 41,821 residents, so Buffalo County has 32% of the typical county's population.

Its SAIPE 2023 median household income of $73,869 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

13,464

3144th1st

2191st of 3,144 (US)

Land area

676 sq mi

3144th1st

1390th of 3,144 (US)

Density

19.9 / sq mi

3144th1st

2251st of 3,144 (US)

Median household income

$73,869

3143rd1st

737th of 3,143 (US)

Rank within Wisconsin (72)

Population

13,464

72nd1st

67th of 72 (WI)

Land area

676 sq mi

72nd1st

42nd of 72 (WI)

Density

19.9 / sq mi

72nd1st

63rd of 72 (WI)

Median household income

$73,869

72nd1st

23rd of 72 (WI)

How Buffalo County's population changed since 2020

Buffalo County gained 141 residents between the July 2020 and July 2024 estimates, a rise of 1.1%. That ranks 33rd of 72 in Wisconsin for growth. The median Wisconsin county changed by +1.0%, and the state as a whole by +1.1%.

Since the April 2020 estimates base, Buffalo County recorded 537 births and 523 deaths, a natural change of +14. Net international migration added +3 and net domestic migration, people moving to or from other US counties, came to +129. The largest single component was domestic migration, which added 129 people.

13.3k202013.3k202113.4k202213.4k202313.5k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
537
Deaths
523
Net international migration
+3
Net domestic migration
+129
Change, July 2023 to July 2024
+24

Where Buffalo County is

The Census internal point of Buffalo County is at 44.385600, -91.761300. It sits in UTM zone 15N. The map shades Wisconsin's 72 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Buffalo County outlined. Dots are towns of 1,000+ people with residents in it.

Barron County: +0.2%Green County: +0.4%Dunn County: +1.5%Jefferson County: +0.0%Lincoln County: +0.1%Rusk County: -0.1%Fond du Lac County: +0.1%Marquette County: +1.0%Outagamie County: +2.3%Waupaca County: -1.2%Oneida County: +0.8%Eau Claire County: +2.8%Washington County: +1.4%Portage County: +2.3%Menominee County: +0.7%Clark County: +0.5%Monroe County: +0.2%Milwaukee County: -1.5%Buffalo County: +1.1%Lafayette County: +4.2%Ozaukee County: +2.5%Rock County: +1.0%Sheboygan County: +0.2%Green Lake County: +1.8%Waukesha County: +2.3%Calumet County: +2.1%Dodge County: -0.8%Wood County: -0.3%Winnebago County: +0.9%Sawyer County: +4.0%Dane County: +4.6%Sauk County: +1.1%Pepin County: +2.9%Adams County: +3.2%Price County: +0.4%Taylor County: +1.1%Grant County: +0.7%Trempealeau County: -0.0%Vernon County: +2.1%Waushara County: +2.2%Iowa County: +1.0%Crawford County: -0.5%Kenosha County: -0.3%Shawano County: +1.1%Juneau County: -0.7%Jackson County: -0.3%Vilas County: +3.7%Bayfield County: +3.7%Chippewa County: +1.5%Iron County: +1.5%Racine County: +0.3%Door County: +1.3%Ashland County: +1.1%Kewaunee County: +0.9%Polk County: +1.8%Florence County: +2.4%Douglas County: -0.2%Forest County: +3.7%Columbia County: -0.7%Walworth County: +0.7%La Crosse County: +0.1%Manitowoc County: +0.1%Oconto County: +2.5%Langlade County: +0.4%Marathon County: +0.7%Washburn County: +2.2%Brown County: +1.8%Richland County: -0.9%Marinette County: +1.1%St. Croix County: +4.3%Pierce County: +2.7%Burnett County: +3.7%
Change 2020 to 2024
  1. < +0.1%
  2. < +0.7%
  3. < +1.3%
  4. < +2.3%
  5. ≥ +2.3%
no data

Orange pin: Buffalo County internal point. Dark pin: Madison.

Internal point

Decimal
44.385600, -91.761300
DMS
44°23'8.16"N 91°45'40.68"W
UTM
15N 598666.4E 4915448.1N
Geohash
9zysxbjky
Plus code
86PC96PQ+6F

Towns in Buffalo County

2 incorporated places of 1,000+ people have residents in Buffalo County, 3,893 people together, or 29% of the county. Each figure counts only the part of the town inside Buffalo County; towns marked "part" extend into another county. The largest is Mondovi with 2,870.

  1. 01Mondovi2,870
  2. 02Buffalo City1,023
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Buffalo County

The Census 2024 county adjacency file lists 5 neighbors for Buffalo County, including 2 across a state line. The most populous is Eau Claire County, WI, with 108,830 residents. Distances run between Census internal points in a straight line.

Distance to Madison and the nearest big city

Madison is 149.3 miles SE of Buffalo County's internal point in a straight line. The nearest place of 100,000 or more is Rochester, MN (population 123,624), 43.8 miles away. The nearest place of 10,000 or more is Winona, MN (population 26,173), 23.5 miles away.

Buffalo County FIPS code

The FIPS code of Buffalo County is 55011: state code 55 for Wisconsin plus county code 011. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $73,869.

Questions people ask

What is the population of Buffalo County, Wisconsin?

The Census Vintage 2024 estimate for July 1, 2024 is 13,464. That is up 141 people (1.1%) from the July 2020 estimate of 13,323.

What is the FIPS code of Buffalo County?

55011. The first two digits (55) are Wisconsin; the last three (011) identify the county.

What is the largest town in Buffalo County?

Mondovi, with 2,870 residents inside Buffalo County in 2024.

Which counties border Buffalo County?

5 county-equivalents border it in the Census 2024 adjacency file: Eau Claire County, WI; Winona County, MN; Trempealeau County, WI; Wabasha County, MN; Pepin County, WI.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.