• county
  • FIPS 55043
  • Largest town: Platteville

Grant County, Wisconsin

Grant County had 52,330 residents in the Census Vintage 2024 estimate, on 1,147.6 square miles of land. It ranks 28th of 72 in Wisconsin by population and 9th by land area.

Population
52,330
#28 of 72 in Wisconsin · #980 in US
Area
1,147.6 sq mi
#9 of 72 in Wisconsin · #538 in US
Density
46 / sq mi
#39 of 72 in Wisconsin · #1,561 in US
Median household income
$63,246
#59 of 72 in Wisconsin · #1,539 in US

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

Grant County within Wisconsin. Pin: Madison.

Measure from here

Tools and pages that start from Grant County

Grant County population, land area and income

Grant County had 52,330 residents in the Census Vintage 2024 estimate, on 1,147.6 square miles of land. It ranks 28th of 72 in Wisconsin by population and 9th by land area. That works out to 45.6 people per square mile, below the US average of 96.3, and above the national county median.

The median county-equivalent in Wisconsin has 41,821 residents; Grant County is somewhat larger.

Its SAIPE 2023 median household income of $63,246 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

52,330

3144th1st

980th of 3,144 (US)

Land area

1,148 sq mi

3144th1st

538th of 3,144 (US)

Density

45.6 / sq mi

3144th1st

1561st of 3,144 (US)

Median household income

$63,246

3143rd1st

1539th of 3,143 (US)

Rank within Wisconsin (72)

Population

52,330

72nd1st

28th of 72 (WI)

Land area

1,148 sq mi

72nd1st

9th of 72 (WI)

Density

45.6 / sq mi

72nd1st

39th of 72 (WI)

Median household income

$63,246

72nd1st

59th of 72 (WI)

How Grant County's population changed since 2020

Grant County gained 351 residents between the July 2020 and July 2024 estimates, a rise of 0.7%. That ranks 45th 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, Grant County recorded 2,428 births and 2,311 deaths, a natural change of +117. Net international migration added +144 and net domestic migration, people moving to or from other US counties, came to +164. The largest single component was domestic migration, which added 164 people.

52.0k202051.3k202151.3k202251.9k202352.3k2024
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
2,428
Deaths
2,311
Net international migration
+144
Net domestic migration
+164
Change, July 2023 to July 2024
+436

Where Grant County is

The Census internal point of Grant County is at 42.870000, -90.694200. 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 Grant 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: Grant County internal point. Dark pin: Madison.

Internal point

Decimal
42.870000, -90.694200
DMS
42°52'12.00"N 90°41'39.12"W
UTM
15N 688341.6E 4748957.7N
Geohash
9zxebhnrz
Plus code
86JFV8C4+28

Towns in Grant County

8 incorporated places of 1,000+ people have residents in Grant County, 27,237 people together, or 52% of the county. Each figure counts only the part of the town inside Grant County; towns marked "part" extend into another county. The largest is Platteville with 11,833.

  1. 01Platteville11,833
  2. 02Lancaster4,042
  3. 03Boscobel3,265
  4. 04Fennimore2,775
  5. 05Cuba City (part)1,835
  6. 06Muscoda (part)1,246
  7. 07Hazel Green (part)1,154
  8. 08Dickeyville1,087
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Grant County

The Census 2024 county adjacency file lists 7 neighbors for Grant County, including 3 across a state line. The most populous is Dubuque County, IA, with 99,242 residents. Distances run between Census internal points in a straight line.

Distance to Madison and the nearest big city

Madison is 67.7 miles ENE of Grant County's internal point in a straight line. The nearest place of 100,000 or more is Madison, WI (population 285,300), 65.7 miles away. The nearest place of 10,000 or more is Platteville, WI (population 11,833), 15.1 miles away.

Grant County FIPS code

The FIPS code of Grant County is 55043: state code 55 for Wisconsin plus county code 043. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $63,246.

Questions people ask

What is the population of Grant County, Wisconsin?

The Census Vintage 2024 estimate for July 1, 2024 is 52,330. That is up 351 people (0.7%) from the July 2020 estimate of 51,979.

What is the FIPS code of Grant County?

55043. The first two digits (55) are Wisconsin; the last three (043) identify the county.

What is the largest town in Grant County?

Platteville, with 11,833 residents inside Grant County in 2024.

Which counties border Grant County?

7 county-equivalents border it in the Census 2024 adjacency file: Dubuque County, IA; Iowa County, WI; Jo Daviess County, IL; Lafayette County, WI; Richland County, WI; Clayton County, IA; Crawford 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.