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HVAC and plumbing companies in Linn County, IA

Competitor counts, household spending and official business counts for HVAC and plumbing companies in Linn County, IA, set against other counties and the U.S.

Groundwork market score · out of 100

Score 61 out of 100: Upper middle

Ranked #463 of 1,707 scored counties
#5 of 42 scored counties in Iowa

Listings
54
4 chain locations (7%)
Official establishments
69
−1.4% since 2019
Household spending a year
$267.4M
On home repairs, maintenance and insurance · $2,797 a household
Spending per listing
$5M
4% above the U.S.
Listings per 10k households
5.6
11% below the U.S.
Population, 2025
232,028
+0.7% since 2020

See the HVAC and plumbing companies around any address in Linn 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 Linn County. Signed out, you see a blurred preview; on an account, each report is one action.

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

What this means

Map listings as of September 2026 show 54 HVAC and plumbing companies in Linn County. Chain locations make up 7% of them, against 4% across the U.S. That comes to 5.6 for every 10,000 households, 11% below the U.S. rate of 6.3.

At $2,797 per household (7% below the U.S. average), households in Linn County spend about $267.4M a year on home repairs, maintenance and insurance. Spread across 54 HVAC and plumbing companies, that is $5M per company, 4% above the U.S. figure of $4.8M. That spending covers all home repairs, maintenance and insurance, which HVAC and plumbing companies share with other businesses in the trade.

Official counts show 69 businesses with payroll classed as plumbing, heating and air-conditioning contractors in Linn County in 2023, down 1.4% from 2019. That is one for every 1,386 households, against one for every 1,162 across the U.S.

Population estimates put the population change in Linn County from 2020 to 2025 at +0.7%, slower than the U.S. (+3.1%). The Groundwork market score for HVAC and plumbing companies in Linn County is 61 (upper middle), #463 of 1,707 scored counties and #5 of 42 scored counties in Iowa.

How Linn County compares

The same measures for Iowa 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 Linn County, IA compared with Iowa and the U.S.
MeasureLinn CountyIowaU.S.
Listings per 10k households5.66.16.3
Spending per listing$5M$4.5M$4.8M
Households per official establishment1,3861,1871,162
Official establishment growth, 2019–2023−1.4%+3.6%+7.6%
Population growth, 2020–2025+0.7%+1.5%+3.1%
Spending per household on home repairs, maintenance and insurance$2,797$2,714$3,018
Median household income$77,649$75,059$80,734
Groundwork market score6138

Official counts and lending

Businesses

Official establishments, 2019 to 2023
70 → 69−1.4% over the period
Employees, 2023
1,632
Annual payroll, 2023
$132.2M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
544 chain locations
Listings at the U.S. rate for this spending
56The 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 Linn 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 Linn County

Population, 2025 estimate
232,028+0.7% since 2020
Households
95,600
Median age
39.8
Homes lived in by their owners
74%
Vehicles per household
1.9
Land area
717 sq. mi.
People per square mile
321
Median household income
$77,649+19.6% vs. 2015–2019, before inflation
Average household income
$104,478
Median home value
$214,300
Jobs located here
130,525
Daytime population
248,541Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Linn 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 Linn County. Signed out, you see a blurred preview; on an account, each report is one action.

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HVAC and plumbing across Iowa

Every Iowa market ranked →

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

Top counties in Iowa

Counties in Iowa ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Dallas County, IA91174.0$8.2M+17.8%#5 of 1,707
2Polk County, IA731155.6$5.2M+4.8%#158 of 1,707
3Johnson County, IA69365.7$4.9M+4.6%#241 of 1,707
4Black Hawk County, IA66213.8$6.7M+0.4%#287 of 1,707
5Linn County, IA61545.6$5M+0.7%#463 of 1,707
6Bremer County, IA5866.2$4.5M+1.1%#573 of 1,707
7Scott County, IA58466.3$4.4M+0.4%#578 of 1,707
8Warren County, IA58157.3$4.1M+9.0%#587 of 1,707
9Story County, IA54215.4$5M+2.7%#701 of 1,707
10Dickinson County, IA5355.7$5M+1.7%#737 of 1,707

Other business types in Linn County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many HVAC and plumbing companies are in Linn County, IA?

There are 54 HVAC and plumbing companies on map listings in Linn County as of September 2026. 4 of them (7%) are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 69 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, down 1.4% from 2019.

How much do households in Linn County, IA spend on home repairs, maintenance and insurance?

About $267.4M a year, or $2,797 per household. That is 7% below the U.S. average (an index of 93, where 100 is the U.S. average). Spread across the 54 HVAC and plumbing companies on map listings, it comes to $5M per company. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies. It is estimated from the incomes of the 95,600 households in Linn County and national spending patterns by income.

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

Linn County has 5.6 HVAC and plumbing companies per 10,000 households, 11% below the U.S. rate of 6.3. Spending per company is $5M, 4% above the U.S. figure of $4.8M. At the national ratio of HVAC and plumbing companies to household spending, Linn County would have about 56, against 54 on map listings. There is one business with payroll in the industry for every 1,386 households, against one for every 1,162 across the U.S. The official count fell 1.4% from 2019 to 2023, against +7.6% for the U.S.

How fast is Linn County, IA growing?

Population estimates put Linn County at 232,028 people in 2025, up 0.7% since 2020, slower than the U.S. (+3.1%). It has 95,600 households. The median household income in Linn County is $77,649 a year, 4% below the U.S. median of $80,734. That rose 19.6% from the 2015–2019 survey, before inflation.

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. Linn County scores 61 for HVAC and plumbing companies (upper middle), #463 of 1,707 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Linn 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 Linn County

Screening a site or an acquisition in Linn 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 Linn 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.