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Insurance agencies in Hamilton County, IA

How Hamilton County, IA compares with other counties and the U.S. for insurance agencies: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 27 out of 100: Lower middle

Ranked #1,890 of 2,272 scored counties
#30 of 71 scored counties in Iowa

Listings
11
3 chain locations (27%)
Official establishments
9
Businesses with payroll, 2023
Household spending a year
$12.4M
On vehicle insurance · $1,925 a household
Spending per listing
$1.1M
10% below the U.S.
Listings per 10k households
17.1
10% above the U.S.
Population, 2025
14,944
−0.5% since 2020

See the insurance agencies around any address in Hamilton County

The site report maps the insurance agencies 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 Hamilton 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

Hamilton County scores 27 (lower middle) on the Groundwork market score for insurance agencies, ranking #1,890 of 2,272 scored counties and #30 of 71 scored counties in Iowa. That puts it in the bottom quarter of counties.

Households in Hamilton County spend about $12.4M a year on vehicle insurance, or $1,925 per household, 2% below the U.S. average. That is about $1.1M of household spending for each agency on map listings, 10% below the U.S. figure of $1.3M.

Hamilton County has 11 insurance agencies on map listings as of September 2026. Chain locations make up 27% of them, against 21% across the U.S. That comes to 17.1 for every 10,000 households, 10% above the U.S. rate of 15.6.

In 2023, official counts showed 9 businesses with payroll in Hamilton County classed as insurance agencies and brokerages. That is one for every 715 households, against one for every 966 across the U.S. Population estimates put the population change in Hamilton County from 2020 to 2025 at −0.5%, against +3.1% for the U.S.

How Hamilton County compares

The same measures for Iowa and the whole U.S. Spending per listing divides a year of household spending on all vehicle insurance by the insurance agencies counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Insurance agencies in Hamilton County, IA compared with Iowa and the U.S.
MeasureHamilton CountyIowaU.S.
Listings per 10k households17.117.715.6
Spending per listing$1.1M$984K$1.3M
Households per official establishment715660966
Official establishment growth, 2019–2023n/a−5.7%−1.0%
Population growth, 2020–2025−0.5%+1.5%+3.1%
Spending per household on vehicle insurance$1,925$1,738$1,957
Median household income$72,432$75,059$80,734
Groundwork market score2720

Official counts and lending

Businesses

Official establishments, 2019 to 2023
9 → 9
Employees, 2023
47
Annual payroll, 2023
$3M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
113 chain locations
Listings at the U.S. rate for this spending
10The 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 insurance agencies and brokerages in Hamilton 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 Hamilton County

Population, 2025 estimate
14,944−0.5% since 2020
Households
6,434
Median age
43.1
Homes lived in by their owners
73%
Vehicles per household
2.1
Land area
577 sq. mi.
People per square mile
26
Median household income
$72,432+18.9% vs. 2015–2019, before inflation
Average household income
$92,073
Median home value
$156,400
Jobs located here
5,890
Daytime population
13,997Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Hamilton 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 insurance agencies on map listings by name and distance.

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

Free10 actions over 3 days, no card

Insurance agencies across Iowa

Every Iowa market ranked →

The highest-scoring counties in Iowa for insurance agencies, numbered among those based in Iowa, with Hamilton County marked.

Top counties in Iowa

Counties in Iowa ranked for insurance agencies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Warren County, IA532512.1$1.6M+9.0%#1,014 of 2,272
2Marion County, IA522015.0$1.3M+2.3%#1,055 of 2,272
3Johnson County, IA51629.8$1.6M+4.6%#1,073 of 2,272
4Madison County, IA48710.5$1.9M+3.8%#1,165 of 2,272
5Benton County, IA461211.8$1.8M+1.8%#1,240 of 2,272
6Mills County, IA45713.0$1.5M+2.6%#1,277 of 2,272
7Jasper County, IA442214.7$1.3M+0.9%#1,329 of 2,272
8Grundy County, IA40611.7$1.6M+0.2%#1,438 of 2,272
9Story County, IA405012.9$1.3M+2.7%#1,457 of 2,272
10Boone County, IA381412.8$1.5M+0.4%#1,522 of 2,272
30Hamilton County, IA271117.1$1.1M−0.5%#1,890 of 2,272

Other business types in Hamilton County

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

Questions

How many insurance agencies are in Hamilton County, IA?

Map listings as of September 2026 show 11 insurance agencies in Hamilton County. 3 of them (27%) are chain locations. The listings count insurance agencies. Official counts show 9 businesses with payroll classed as insurance agencies and brokerages in 2023.

How much do households in Hamilton County, IA spend on vehicle insurance?

About $12.4M a year, or $1,925 per household. That is 2% below the U.S. average (an index of 98, where 100 is the U.S. average). Spread across the 11 insurance agencies on map listings, it comes to $1.1M per agency. It is estimated from the incomes of the 6,434 households in Hamilton County and national spending patterns by income.

How does Hamilton County, IA compare with the U.S. for insurance agencies?

Hamilton County has 17.1 insurance agencies per 10,000 households, 10% above the U.S. rate of 15.6. Spending per agency is $1.1M, 10% below the U.S. figure of $1.3M. At the U.S. ratio of insurance agencies to household spending, Hamilton County would have about 10, against 11 on map listings. There is one business with payroll in the industry for every 715 households, against one for every 966 across the U.S.

How fast is Hamilton County, IA growing?

Population estimates put Hamilton County at 14,944 people in 2025, down 0.5% since 2020, against +3.1% for the U.S. It has 6,434 households. Median household income in Hamilton County is $72,432, 10% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 18.9%, 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. Hamilton County scores 27 for insurance agencies (lower middle), #1,890 of 2,272 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Hamilton County. It maps the insurance agencies 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 insurance agencies · All 56 business types in Hamilton County

Screening a site or an acquisition in Hamilton 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 Hamilton 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.