← Map/← Maryland/Counties/Carroll

Carroll
Maryland

173K

Population

$112K

Median Income

$495K

Median Home

R+45

Politics

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What stands out

Against every county in America, Carroll County is unusual in three ways: the uninsured rate is among the lowest in America (4.4%), the median household income is in the top 2% of American counties ($111,672), and the average commute is in the top 6% of American counties (31 minutes). Within Maryland it ranks 3rd of 24 counties for the uninsured rate, counting from the bottom.

Where you are

You live in Carroll County, Maryland. 173,225 people live here with you. The population grew 0.7% last year, and more Americans moved in than out (net +944).

Maryland is the only state that levies both an estate tax and an inheritance tax, and its counties add their own income taxes of up to 3.2% on top of the state rate. Household income is the highest in the country, concentrated in the Washington suburbs of Montgomery and Howard counties. Social Security is not taxed and there is a pension exclusion for residents 65 and over.

Money

The typical household here brings in $111,672 a year, higher than 98% of American counties. Employers pay an average wage of $57,405. Unemployment runs 2.7%, lower than 77% of American counties. 14% of workers work from home; for the rest the average commute is 31 minutes each way.

Maryland takes 4.7% of that median income in state income tax, about $5,281 a year.

Home

The median home costs $498K, pricier than 93% of American counties, about 2.9 years of the median household's income. A two-bedroom rents for around $1,313 a month. Property tax is 0.96% of home value, roughly $3,751 a year on that median home, higher than 57% of American counties. 83% of households own rather than rent.

Safety and health

Violent crime here is 3.0 per 1,000 residents, lower than 92% of American counties. Drug overdoses killed 13 people per 100,000 in 2024.

A child born here can expect to live 78.3 years, longer than 78% of American counties. There are 252 active physicians in the county, about 14.5 per 10,000 people. Medicare rates the local hospitals 3.0 of 5 stars. 4.4% of people under 65 have no health insurance.

School

94% of adults finished high school.

Neighbors and politics

In 2024 your neighbors voted Republican by 45 points, among the most lopsided counties in the country. 78% of eligible voters turned out. Under Maryland law you need local approval to carry a concealed handgun, abortion is protected by state law, and marijuana is legal for adults.

Weather and risk

The year averages 54°F, highs near 64 and lows near 44, colder than 57% of American counties. About 37 inches of rain and snow fall a year. FEMA puts natural-hazard risk at 63 out of 100, riskier than 63% of American counties; the county has had 19 federal disaster declarations since 1953.

Getting around, going out

Home internet averages 281 Mbps down, faster than 90% of American counties. There are 11 airports in the county, counting general aviation. For a night or a weekend out: 0.6 full-service restaurants per 1,000 people, 10 breweries.

Written from the figures below. Percentiles compare this county with every other county that reports the same figure; missing figures are left out rather than guessed.

Economy

Median Household Income$112K
This county
national avg ~$75K
Poverty Rate5.5%
This county
national avg ~11.5%
Unemployment Rate2.7%
This county
national avg ~3.8%
GDP per Capita$47,485
Federal Spending per Capita$586
Median Individual Earnings$60K
This county
national avg $45K
Professional/Management Workers49.0%
Average Adjusted Gross Income$99K
Avg Credit Score708
Work From Home %13.7%
This county
national avg 17.0%
Population Under 1821.7%
This county
national avg 22.0%
Single-Person Households21.6%
This county
national avg 28.0%
Banks & Finance Firms75
Income (20th Percentile)$49K
Income (80th Percentile)$196K
Income (95th Percentile)$250K
Bachelor's Degree or Higher38.8%
This county
national avg 34.3%
Less Than High School5.8%
This county
national avg 11.0%
Knowledge Economy GDP %14.3%
Dependency Ratio0.64
Medicare Spending / Person$2,703
SS Benefits / Person$4,035
Education Wage Premium1.96x
Median Earnings (Bachelor's)$80K
Median Earnings (Graduate)$94K
Median Earnings (HS Diploma)$48K
Public Assistance Recipients1.0%
Average Annual Wage$57K
Professional Services Concentration0.67x national
This county
1.0 = national average share
Federal Government Jobs Located Here531
Federal Share of Jobs Located Here0.9%
Residents Who Work for the Federal Government5.9%
Federal Civilian Share of Earnings2.0%
Federal Contract Dollars Performed Here (FY2025)$59M
Contract Dollars Relative to Local Wages0.02x wages
Largest Award's Share of Contract Dollars24%

Housing

Sources: Zillow ZHVI · Census ACS 2022 · Tax Foundation 2023 (effective rates)

Median Home Value$495K
This county
$420K state avg
$303K national
Median Sale Price$440K
This county
$303K national
Market Rent (ZORI)$1836/mo
This county
$1950/mo state avg
$1400/mo national
Property Tax Rate0.96%
This county
0.97% state avg
1.10% national

Annual tax on median home: $3,751

Affordability & Supply

HUD Fair Market Rent (2BR)$1,857/mo
Home Price Change (1 yr)+1.7%−+6.4% since 2024
Home Value to Income Ratio2.9x income
Severely Cost-Burdened Households8.4%
Homeownership Rate83.0%
This county
national avg ~65%

Market Activity

Sources: Zillow Research monthly · Redfin

Sale-to-List Ratio— Buyers market — homes selling below list
99.9%
Listings with Price Cuts— Low — market moving fast
22.5%
Sold Above List Price
40.7%
Median Days to Close
29 days
Active Listings
345
New Listings / Month
173

Source: Zillow Research · Updated monthly

Days on Market (Redfin)— Average pace
21 days
Months of Supply (Redfin)— Low inventory — sellers market
1.7 mo
Sold Above List (Redfin)— Competitive — many homes bid up
48.7%

Sale-to-List Cross-Reference

Zillow 99.9%  ·  Redfin 101.0%

Source: Redfin · Updated monthly

Health

Life Expectancy78.3 yrs
This county
national avg ~78.5 years
Hospital Rating3.0 / 5
This county
national avg 3.0 stars
Food Insecurity8.8%
This county
national avg ~11%
Food Environment Index8.7 / 10
This county
higher = better access
Primary Care Shortage Score15
This county
national avg 5
Mental Health Shortage Score16
Dental Care Shortage Score0
Healthcare Shortage Score10.3
Healthcare Offices342
Obesity Rate (BRFSS)37.4%
This county
national avg 32.0%
Smoking Rate (BRFSS)11.0%
This county
national avg 14.0%
Poor Health Rate (BRFSS)13.4%
This county
national avg 18.0%
Physical Inactivity (BRFSS)22.0%
This county
national avg 24.0%
High Blood Pressure (BRFSS)29.8%
This county
national avg 32.0%
Active Physicians252
Nursing Home Rating3.2 / 5
This county
national avg ~3 stars
ER Visits per 1,000 Medicare Patients506 / 1,000
Medicare Cost per Beneficiary$12,077
Uninsured (under 65)4.4%
This county
national avg ~10%
Adults with Depression23.5%

Education

HS Diploma Holders30,512
Bachelor's Degree Holders28,729
HS Completion Rate94.2%
This county
national avg ~85%
Private Schools63

Safety

Violent Crime Rate3.0 / 1,000
This county
national avg ~4.0
Firearm Fatality Rate7.4 / 100K
This county
national avg ~13.6/100K
Homicide Rate1.4 / 100K
This county
national avg ~7.5/100K
Drug Overdose Rate39.5 / 100K
This county
national avg ~21/100K
Traffic Fatalities12
Social Vulnerability (CDC SVI)3th pct
Drug Overdose Deaths (2024)12.5 / 100K
Suicide Rate12.7 / 100K
This county
national avg ~14/100K

Climate & Air Quality

Natural Amenity Scale-1.3
January Sunshine-0.17
January Temperature-0.12
Average Temp54°F+0.4% since 2022
Avg High Temp64°F-0.2% since 2022
Avg Low Temp44°F+1.2% since 2022
Median AQIAQI 44
Good Air Days183 days/yr
Unhealthy Air Days4 days/yr
Annual Precipitation36.8 in/yr-16% since 2022
Avg Storm Events31.8 storms/yr
Avg Annual Storm Damage$7M
Ozone Days244 days/yr
This county
national avg 50 days/yr
Drought Index (2022)0.00
Heating Degree Days5,001 HDD/yr
This county
national avg ~4,500 HDD/yr
Cooling Degree Days990 CDD/yr
This county
national avg ~1,200 CDD/yr
Heating Degree Days (1901–2000 Baseline)5,517 HDD/yr
Cooling Degree Days (1901–2000 Baseline)734 CDD/yr
Avg Tornadoes / Year1.2
Avg Flood Events / Year3.8
Avg Hail Events / Year0.8
Avg Hurricane Events / Year0.00
Avg Wildfire Events / Year0.0
Avg Winter Storms / Year0.0
Avg Heat Events / Year0.0
Natural Hazard Risk (FEMA)63 / 100
Community Resilience (FEMA)84 / 100
Federal Disaster Declarations19 since 1953
Fine Particulate Pollution (PM2.5)7.9 µg/m³
This county
EPA standard 9 µg/m³

Outdoor & Recreation

Historic Places (NRHP)61 properties
FAA-Registered Airports13 total
Airports (excl. heliports)11 airports

Brewery Scene

Total Breweries10 breweries
Microbreweries5 microbreweries
Brewpubs2 brewpubs

Internet & Remote Work

Download Speed281 Mbps
This county
national avg ~120 Mbps
Upload Speed47 Mbps
Fixed Internet (Q1 2026)415 Mbps
Mobile Internet (Q1 2026)267 Mbps
Mobile Upload (Q1 2026)37 Mbps
Mobile Latency (Q1 2026)25 ms
Households with 100Mbps+96.1%
This county
national avg 75.0%
Cellular-Only Internet14.2%
This county
national avg 8.0%
Fixed Upload Speed (Q1 2026)137 Mbps

EV Infrastructure

EV Charging Stations21 stations
DC Fast Chargers16 chargers
Level 2 EV Chargers56

Commute & Transit

Remote Workers12,341 workers
Public Transit Commuters453 workers
Walk to Work (workers)882 workers
Extreme Commutes (90+ min)3,423 workers
Avg Commute Time30.5 min
This county
national avg ~27 min
Bike Commuters0.0%
Walk to Work1.0%

Families & Childcare

Childcare Cost Burden21.3%
This county
national median ~27% of household income
Childcare Centers7.2 per 10K residents
Childcare Facilities53

Civic & Community

Voter Turnout77.8%
This county
national avg ~55%
Volunteering Rate1.0%
Income Inequality (Gini)4.023
Nonprofit Organizations849
Veterans Share7.4%
This county
national avg 7.0%
Married Adults58.9%
Never-Married Adults26.4%
Divorced Adults8.5%
Religious Organizations109
Asian Population2.2%
Native American Population0.2%
Membership Associations9.6 per 10K residents

Lifestyle & Services

Full-Service Restaurants0.58 per 1K residents
Colleges & Universities2
Nursing & Care Facilities78
Grocery Stores41
Arts & Entertainment Venues12
Hotels & Lodging12
Recreation Businesses41
Professional Services Firms515
Veterinary Practices66
Real Estate Firms161
Debt Burden
Avg Mortgage Balance$118K
Avg Student Loan Balance$8K
Avg Credit Card Balance$5K
Loan Delinquency Rate34.6%
This county
national avg 4.0%

Innovation

Inventor Rate0.22%

Politics

R+45

2024 Presidential · Maryland was D+24 statewide

vs Maryland State

Income tax
5.75%Same (state law)
Property tax
0.96%0.97% state avg
Politics
R+45D+24
COL Index
116state index (no county figure)

Population & Migration

Net Domestic Migration 2023

↑ +944

More people arriving than leaving

IRS Wealth Migration

Lower-income migration pattern (IRS: 0.87x avg income)

Economic Mobility

46%

chance a low-income child reaches the middle class

Source: Opportunity Insights

Real Estate

Find Homes in Carroll County

Median home value: $498K

View on Zillow →View on Realtor.com →

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Explore Other Maryland Counties

Allegany County, MarylandBaltimore County, MarylandCalvert County, MarylandCaroline County, MarylandCecil County, MarylandCharles County, MarylandDorchester County, MarylandFrederick County, MarylandGarrett County, MarylandHarford County, MarylandHoward County, MarylandKent County, MarylandAll Maryland counties →

Full Maryland profile

Taxes, cost of living, crime, schools, gun laws and more.

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Data: Census ACS, BLS, Zillow, USDA Natural Amenities, OpenElections 2024, CMS, NCES. Vintage 2022–2025. News via Google News.

Your Priorities

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Quick Profiles

Dial in your priorities

Annual Income

$150K

Affects effective income tax rate

$0$500K$5M+

Retirement Savings

$0

Affects pension and SS tax burden

None$500K$10M+

Social Security

None

Annual Social Security benefit

None$150K/yr

My Property Is Worth

$400K

Affects property tax burden

Tax burden ↓$1M$50M+

Home Buying Budget

$400K

Compared to state median home price

Hard to find$250K$5M+

Monthly Rent Budget

Don't care

Compared to state median 2BR rent

Don't care$10K/mo

Job Market

Don't care

State unemployment and job growth

Don't careHot market

Airport Access

Don't care

Direct flight destinations from state hubs

Don't careMust have hub

City vs Country

Mid-size city

% urban population

Deep countryBig city

Sunshine

Don't care

Annual sunny days per state

Don't careMax sunshine

Food Scene

Don't care

Restaurants per 100K residents

Don't careWorld-class

Political Preference

Neutral

State's political lean

LiberalConservative

Gun Laws

Neutral

State gun law grade (Giffords)

Gun Control2A Freedom

Abortion Access

Neutral

State abortion access policy

Pro-ChoiceNeutralPro-Life

Community

None

Congregations per 100K residents

AvoidDon't careSeek

Sports & Entertainment

Don't care

Pro sports teams and major venues

Don't careMust have pro teams

Cannabis Laws

Neutral

State cannabis legality

Prefer LegalNeutralPrefer Prohibition

Retiree Community

Neutral

% population 65+ (Census)

Young areaRetirement-heavy

Dating Market

Neutral

% adults never-married (Census)

Singles sceneFamily community

Safety / Low Crime

Don't care

Violent crime rate per 100K (FBI)

Don't careVery safe

School Quality

Don't care

K-12 rank (Education Week)

Don't careTop-ranked

Healthcare Access

Don't care

Healthcare system rank (Commonwealth Fund)

Don't careTop-ranked

Childcare Affordability

Don't care

Cost of living proxy for childcare affordability

Don't careMust be affordable