Groundwork

Home services · County · South Dakota

HVAC and plumbing companies in Day County, SD

The HVAC and plumbing companies in Day County, SD, the household spending behind them and how the market ranks against other counties.

Groundwork market score

Not scored

Counties under 10,000 people aren’t scored, since a few businesses can swing their figures.

Listings
1
0 chain locations (0%)
Official establishments
n/a
Fewer than 3, or not published
Household spending a year
$6.3M
On home repairs, maintenance and insurance · $2,639 a household
Spending per listing
$6.3M
Too few listings to compare
Listings per 10k households
4.2
Too few listings to compare
Population, 2025
5,484
+0.8% since 2020

See the HVAC and plumbing companies around any address in Day County

The site report maps the HVAC and plumbing companies on map listings near the address, by name and distance, and sizes the households and spending around it. Or open the report at the center of Day County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

Household spending on home repairs, maintenance and insurance in Day County comes to about $6.3M a year: $2,639 per household, 13% below the U.S. average. That works out to $6.3M per company. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.

Day County has 1 HVAC or plumbing company on map listings as of September 2026. That is 4.2 per 10,000 households.

Official counts don’t publish a figure for plumbing, heating and air-conditioning contractors in Day County, since they leave out counts under 3.

Population estimates put the population change in Day County from 2020 to 2025 at +0.8%, slower than the U.S. (+3.1%). Counties under 10,000 people aren’t given a market score, since a few businesses can swing their figures.

How Day County compares

The same measures for South Dakota and the whole U.S. Spending per listing divides a year of household spending on all home repairs, maintenance and insurance by the HVAC and plumbing companies counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

HVAC and plumbing in Day County, SD compared with South Dakota and the U.S.
MeasureDay CountySouth DakotaU.S.
Listings per 10k households4.26.56.3
Spending per listing$6.3M$4.1M$4.8M
Households per official establishmentn/a9121,162
Official establishment growth, 2019–2023n/a+9.6%+7.6%
Population growth, 2020–2025+0.8%+5.3%+3.1%
Spending per household on home repairs, maintenance and insurance$2,639$2,698$3,018
Median household income$66,033$75,081$80,734
Groundwork market scoreNot scored34

Official counts and lending

Businesses

Official establishments, 2019 to 2023
n/a
Employees, 2023
n/a
Annual payroll, 2023
n/a
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
10 chain locations
Listings at the U.S. rate for this spending
1The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
0
Amount
$0

SBA-backed loans to businesses classed as plumbing, heating and air-conditioning contractors in Day County, through June 2026, placed by the borrower’s ZIP code. Official establishments are businesses with payroll; the official counts leave out places with fewer than 3.

Population and households in Day County

Population, 2025 estimate
5,484+0.8% since 2020
Households
2,371
Median age
48.2
Homes lived in by their owners
75%
Vehicles per household
2.3
Land area
1,029 sq. mi.
People per square mile
5
Median household income
$66,033
Average household income
$91,552
Median home value
$173,600
Jobs located here
1,813
Daytime population
4,795Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Day County?

These figures cover the whole county. A site report draws rings around one address and counts what’s inside them: households, spending, jobs, and the HVAC and plumbing companies on map listings by name and distance.

Or open the report at the center of Day County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

HVAC and plumbing across South Dakota

Every South Dakota market ranked →

The highest-scoring counties in South Dakota for HVAC and plumbing companies, numbered among those based in South Dakota, with Day County marked.

Top counties in South Dakota

Counties in South Dakota ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Lincoln County, SD7872.5$12.4M+17.5%#74 of 1,707
2Brookings County, SD5385.8$4.5M+9.6%#744 of 1,707
3Minnehaha County, SD53627.3$3.8M+7.6%#762 of 1,707
4Lawrence County, SD5186.6$3.9M+14.0%#830 of 1,707
5Meade County, SD4186.7$4.1M+2.7%#1,163 of 1,707
6Pennington County, SD41398.4$3.2M+6.6%#1,185 of 1,707
7Yankton County, SD3588.3$3.2M+1.5%#1,367 of 1,707
8Davison County, SD2789.0$2.8M+0.6%#1,553 of 1,707
9Codington County, SD261411.2$2.3M+4.3%#1,576 of 1,707
10Lake County, SD23612.7$2.2M−0.2%#1,619 of 1,707
Day County, SDNot scored14.2$6.3M+0.8%

Other business types in Day County

None has a Groundwork market score here. Counties under 10,000 people aren’t scored, since a few businesses can swing their figures.

Questions

How many HVAC and plumbing companies are in Day County, SD?

Map listings as of September 2026 show 1 HVAC or plumbing company in Day County. The listings count heating and air-conditioning companies and plumbers. No official count is published for plumbing, heating and air-conditioning contractors in Day County: counts under 3 are left out.

How much do households in Day County, SD spend on home repairs, maintenance and insurance?

About $6.3M a year, or $2,639 per household. That is 13% below the U.S. average (an index of 87, where 100 is the U.S. average). Spread across the 1 HVAC or plumbing company on map listings, it comes to $6.3M per company. That spending covers all home repairs, maintenance and insurance, which HVAC and plumbing companies share with other businesses in the trade. It is estimated from the incomes of the 2,371 households in Day County and national spending patterns by income.

How does Day County, SD compare with the U.S. for HVAC and plumbing companies?

Day County has 1 HVAC or plumbing company on map listings, too few for a steady comparison with the U.S. rate. The count on map listings matches the U.S. ratio of HVAC and plumbing companies to household spending.

How fast is Day County, SD growing?

Population estimates put Day County at 5,484 people in 2025, up 0.8% since 2020, slower than the U.S. (+3.1%). It has 2,371 households. Median household income in Day County is $66,033, 18% below the U.S. median of $80,734.

What is the Groundwork market score?

The Groundwork market score runs from 0 to 100 and compares a market with others of its kind for one business type: states with states, metro areas with metro areas, small-town markets and counties with their own. It weighs household spending per competitor (35%), households per business with payroll (25%), population growth (20%) and spending power (20%), each ranked against those peers. A higher score means that, taken together, the market has more household spending and more households for each business already there, faster population growth and more spending per household than similar markets. It describes a market, not any one site or deal. The score leaves out counties under 10,000 people, where a handful of businesses would swing it.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Day County. It maps the HVAC and plumbing companies on map listings near the site and sizes the households and spending within the distance you choose. New accounts get 10 actions over 3 days, no card.

How the score works · Top markets for HVAC and plumbing companies · All 56 business types in Day County

Screening a site or an acquisition in Day County?

A site report maps the competitors on map listings near an address and sizes the households and spending around it.

The button opens the report at the center of Day County. Signed out, you see a blurred preview; on an account, each report is one action.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are estimates for research only. Not investment or real estate advice.