Auto · County · South Carolina
Insurance agencies in Dorchester County, SC
The insurance agencies in Dorchester County, SC, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 79 out of 100: High
Ranked #248 of 2,272 scored counties
#14 of 43 scored counties in South Carolina
- Listings
- 76
- 18 chain locations (24%)
- Official establishments
- 49
- +22.5% since 2019
- Household spending a year
- $163.8M
- On vehicle insurance · $2,592 a household
- Spending per listing
- $2.2M
- 72% above the U.S.
- Listings per 10k households
- 12.0
- 23% below the U.S.
- Population, 2025
- 178,397
- +10.1% since 2020
See the insurance agencies around any address in Dorchester 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 Dorchester County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardSurvey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure
What this means
As of September 2026, map listings count 76 insurance agencies in Dorchester County. 18 of them (24%) are chain locations, against 21% across the U.S. That is 12.0 per 10,000 households, 23% below the U.S. rate of 15.6.
At $2,592 per household (32% above the U.S. average), households in Dorchester County spend about $163.8M a year on vehicle insurance. Spread across 76 insurance agencies, that is $2.2M per agency, 72% above the U.S. figure of $1.3M.
Official counts show 49 businesses with payroll classed as insurance agencies and brokerages in Dorchester County in 2023, up 22.5% from 2019. That is one for every 1,289 households, against one for every 966 across the U.S.
Population estimates put the population change in Dorchester County from 2020 to 2025 at +10.1%, faster than the U.S. (+3.1%). The Groundwork market score for insurance agencies in Dorchester County is 79 (high), #248 of 2,272 scored counties and #14 of 43 scored counties in South Carolina. That puts it in the top quarter of counties.
How Dorchester County compares
The same measures for South Carolina 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.
| Measure | Dorchester County | South Carolina | U.S. |
|---|---|---|---|
| Listings per 10k households | 12.0 | 13.9 | 15.6 |
| Spending per listing | $2.2M | $1.8M | $1.3M |
| Households per official establishment | 1,289 | 1,037 | 966 |
| Official establishment growth, 2019–2023 | +22.5% | +3.0% | −1.0% |
| Population growth, 2020–2025 | +10.1% | +8.5% | +3.1% |
| Spending per household on vehicle insurance | $2,592 | $2,491 | $1,957 |
| Median household income | $78,198 | $69,324 | $80,734 |
| Groundwork market score | 79 | 81 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 40 → 49+22.5% over the period
- Employees, 2023
- 173
- Annual payroll, 2023
- $9.8M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 7618 chain locations
- Listings at the U.S. rate for this spending
- 131The 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 Dorchester 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 Dorchester County
- Population, 2025 estimate
- 178,397+10.1% since 2020
- Households
- 63,179
- Median age
- 38.4
- Homes lived in by their owners
- 76%
- Vehicles per household
- 1.9
- Land area
- 568 sq. mi.
- People per square mile
- 294
- Median household income
- $78,198+24.0% vs. 2015–2019, before inflation
- Average household income
- $100,220
- Median home value
- $329,300
- Jobs located here
- 39,777
- Daytime population
- 129,933Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Dorchester 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 Dorchester County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardInsurance agencies across South Carolina
Every South Carolina market ranked →The highest-scoring counties in South Carolina for insurance agencies, numbered among those based in South Carolina, with Dorchester County marked.
Top counties in South Carolina
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Edgefield County, SC | 96 | 8 | 8.2 | $3.4M | +16.1% | #11 of 2,272 |
| 2Saluda County, SC | 88 | 8 | 10.4 | $2.8M | +4.1% | #85 of 2,272 |
| 3Laurens County, SC | 88 | 26 | 9.6 | $2.8M | +6.2% | #87 of 2,272 |
| 4Abbeville County, SC | 86 | 8 | 8.2 | $3.3M | +2.3% | #111 of 2,272 |
| 5Berkeley County, SC | 86 | 86 | 9.2 | $2.8M | +18.7% | #114 of 2,272 |
| 6Lancaster County, SC | 83 | 42 | 10.5 | $2.4M | +18.3% | #167 of 2,272 |
| 7Oconee County, SC | 81 | 32 | 9.3 | $2.9M | +6.3% | #196 of 2,272 |
| 8Chester County, SC | 81 | 12 | 9.1 | $2.8M | +2.2% | #198 of 2,272 |
| 9Pickens County, SC | 81 | 51 | 9.7 | $2.7M | +5.7% | #201 of 2,272 |
| 10Cherokee County, SC | 81 | 21 | 9.5 | $2.7M | +3.7% | #203 of 2,272 |
| 14Dorchester County, SC | 79 | 76 | 12.0 | $2.2M | +10.1% | #248 of 2,272 |
Other business types in Dorchester County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many insurance agencies are in Dorchester County, SC?
Dorchester County has 76 insurance agencies on map listings as of September 2026. 18 of them (24%) are chain locations. The listings count insurance agencies. Official counts show 49 businesses with payroll classed as insurance agencies and brokerages in 2023, up 22.5% from 2019.
How much do households in Dorchester County, SC spend on vehicle insurance?
About $163.8M a year, or $2,592 per household. That is 32% above the U.S. average (an index of 132, where 100 is the U.S. average). Spread across the 76 insurance agencies on map listings, it comes to $2.2M per agency. It is estimated from the incomes of the 63,179 households in Dorchester County and national spending patterns by income.
How does Dorchester County, SC compare with the U.S. for insurance agencies?
Dorchester County has 12.0 insurance agencies per 10,000 households, 23% below the U.S. rate of 15.6. Spending per agency is $2.2M, 72% above the U.S. figure of $1.3M. At the national ratio of insurance agencies to household spending, Dorchester County would have about 131, against 76 on map listings. There is one business with payroll in the industry for every 1,289 households, against one for every 966 across the U.S. The official count rose 22.5% from 2019 to 2023, against −1.0% for the U.S.
How fast is Dorchester County, SC growing?
Population estimates put Dorchester County at 178,397 people in 2025, up 10.1% since 2020, faster than the U.S. (+3.1%). It has 63,179 households. The median household income in Dorchester County is $78,198 a year, 3% below the U.S. median of $80,734. That rose 24.0% 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. Dorchester County scores 79 for insurance agencies (high), #248 of 2,272 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Dorchester 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 Dorchester County
Screening a site or an acquisition in Dorchester 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 Dorchester 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.