County Maps US

Lawrence County, South Dakota

A county in South Dakota, ranked 8 of 66 by population.

CountyFIPS 46081

Within South Dakota
Lawrence County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Deadwood, the county seat, located via the 2025 Census Gazetteer.

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Population
29,459
+3,612 (+14.0%) since 2020
Land area
800.1
square miles. A further 0.0% of the total area is water
Population density
36.8
people per square mile, computed rather than published
County seat
Deadwood
Seat of county government.
Established
1875
150 years ago
Largest city
Spearfish city
Population 14,154.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Lawrence County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Lawrence County, South Dakota from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 750 by 800 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Lawrence County ranks

Position among the 66 counties of South Dakota, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn South DakotaNationally
Population29,4598th of 661,463rd of 3,144
Land area800.1 sq mi41st of 661,066th of 3,144
Population density36.8 per sq mi9th of 661,754th of 3,144
Median household income$73,38430th of 66950th of 3,143

Full data for Lawrence County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population29,459Vintage 2025 Population Estimates
Population in 202025,847Vintage 2025 Population Estimates
2020 estimates base?25,771Vintage 2025 Population Estimates
Land area800.1 sq mi2025 Gazetteer Files
Water area0.26 sq mi2025 Gazetteer Files
Total area800.3 sq mi2025 Gazetteer Files
Population density?36.8 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$73,384American Community Survey 2020-2024 5-Year Estimates
Median home value$346,500American Community Survey 2020-2024 5-Year Estimates
Median age44.8American Community Survey 2020-2024 5-Year Estimates
Households12,054American Community Survey 2020-2024 5-Year Estimates
Housing units14,840American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-82
184 births, 266 deaths
Net migration
+841
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 5 areas bordering Lawrence County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Butte CountySouth Dakota39 mi10,856
Meade CountySouth Dakota38 mi30,711
Pennington CountySouth Dakota30 mi116,792
Crook CountyWyoming27 mi7,852
Weston CountyWyoming2.7 mi6,840

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 66 counties of South Dakota

Open the interactive South Dakota county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.