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St. Marys, ON
Ontario · London Metro
St. Marys is a small city in Ontario with a population of 7,386. Residents earn $86,000 per year, which is 14% above the national average.
Data updated June 2026
Discover St. Marys, ON
Explore over 40 sections covering people, economy, housing, health, crime, climate, community, costs, trends, schools, colleges, hospitals, treatment centers, industries, museums, libraries, breweries, farmers markets, grocery stores, pharmacies, campgrounds, parks, trails, stadiums, ski resorts, daycare centers, nursing homes, churches, fire stations, cell towers, bridges, power plants, EV stations, prisons, radio stations, airports, police stations, post offices, Amtrak stations, superfund sites, UNESCO sites, and more.
Use the tabs and dropdown menus below to navigate every data point we track for this city.
How St. Marys Compares to the U.S. Average (100% = U.S. avg)
People
Economy
BHousing
BCrime
C+Climate
Education
CCommunity
Is St. Marys a Good Place to Live?
Based on current data, St. Marys receives an overall livability score of 2.8 out of 5.0, earning a grade of C+. Key strengths include above-average household incomes, a low poverty rate. Areas to be aware of include high housing costs, above-average unemployment. St. Marys has some notable strengths but also faces challenges that prospective residents should consider.
Economy & Jobs
The median household income in St. Marys is $86,000, 14% above the national average of $75,149. Residents generally enjoy above-average earning potential. At 10.1%, unemployment is notably high. Only 7.5% of residents live below the poverty line, well below the national rate of 12.4%. Workers commute an average of 21 minutes.
Cost of Living & Housing
The median home value in St. Marys is $500,000, making it a premium housing market at 77% above the U.S. median of $281,900. Renters pay a median of $970 per month, below the national average / a plus for affordability. The price-to-income ratio of 5.8x means housing costs are stretched relative to local earnings.
Safety & Crime
Property crime occurs at a rate of 3,500 per 100,000, 79% above the national average.
Education
12.8% of residents hold a bachelor's degree, below the national average of 33.7%. 32.1% have completed high school.
Climate & Weather
St. Marys experiences four distinct seasons with an average temperature of 48°F. Winters average 30°F in January while summers reach 69°F in July. The area gets 224 sunny days per year. Annual precipitation totals 40.6 inches, including 48.4 inches of snow.
Population
Gender Distribution
Race & Ethnicity
St. Marys vs U.S. Average
Language Spoken at Home
Social Characteristics
St. Marys vs U.S. Average
Income: St. Marys vs U.S.
Commute Mode
Income
| Median HH Income | $86,000 |
| 14% above US avg | |
| Per Capita Income | $49,720 |
| Avg Weekly Wage | $956 |
Employment & Poverty
| Unemployment | 10.1% |
| 181% above US avg | |
| Poverty Rate | 7.5% |
| 40% below US avg | |
| Establishments (County) | 229 |
Business (County)
Tax & Cost of Living
Commute & Transportation
| Commute Time | 21.3 min |
| Drive Alone | 83.6% |
| Public Transit | 0.0% |
| Work from Home | 16.2% |
Walkability
Home Value Sources
Ownership Split
Home Values
| Census Median | $500,000 |
| 77% above US avg |
Real Estate Market (Redfin)
Rental Costs
| Census Median Rent | $970 |
| 17% below US avg | |
| Rent Burden | 12.0% |
Ownership & Property
| Homeownership | 81.0% |
| Owner-Occupied | 81.0% |
| Renter-Occupied | 19.0% |
| Housing Units | 3,125 |
Property Tax
Crime Rates: St. Marys vs U.S. Average (per 100,000)
Violent Crime
Property Crime
| Total Property | 3,500.0/100K |
| 79% above US avg | |
| Burglary | 483.9/100K |
| Theft | 2,503.4/100K |
| Vehicle Theft | 504.8/100K |
Traffic Safety
Safety Score
| Safety Grade | C+ |
| Safety Score | 2.5 / 5.0 |
Temperature
| Annual Average | 48.1°F |
| 11% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 69°F (20°C) |
| Sunny Days | 224 days/yr |
Geography
| Elevation | 1,070 ft (326 m) |
| Area | 4.8 sq mi (12.4 km²) |
| Population Density | 1,538/sq mi |
| Coordinates | 43.2501°N, 81.1330°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 2.7 m (9 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1823 | LAKE ERIE | Unknown | 2.7 m | - | 107 km |
| 1952 | LAKE HURON, MI | Avalanche | 1.5 m | - | 104 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 3.2 in | |
| February | 21°F (-6°C) | 2.6 in | Coldest, Driest |
| March | 30°F (-1°C) | 2.9 in | |
| April | 42°F (6°C) | 3.2 in | |
| May | 55°F (13°C) | 3.4 in | |
| June | 64°F (18°C) | 3.2 in | |
| July | 69°F (20°C) | 3.5 in | Warmest |
| August | 67°F (19°C) | 3.5 in | |
| September | 60°F (15°C) | 4.1 in | Wettest |
| October | 48°F (9°C) | 3.5 in | |
| November | 37°F (3°C) | 4.1 in | |
| December | 26°F (-3°C) | 3.7 in |
St. Marys has a seasonal temperature swing of 48°F / from 21°F in February to 69°F in July. Total annual precipitation is 40.8 inches, with September being the wettest month (4.1") and February the driest (2.6").
Education
| Bachelor's Degree+ | 12.8% |
| 62% below US avg | |
| High School+ | 32.1% |
| Graduate Degree+ | 4.5% |
Area & Infrastructure
| Population Density | 1,538/sq mi |
| Total Area | 4.8 sq mi |
Services
Commute & Transportation
| Avg Commute | 21.3 min |
| Drive Alone | 83.6% |
| Public Transit | 0.0% |
| Work from Home | 16.2% |
Schools in St. Marys
4 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| South Perth Centennial Public School | - | - | - | - |
| Holy Name of Mary School | - | - | - | - |
| Little Falls Public School | - | - | - | - |
| St. Marys District Collegiate | - | - | - | - |
Radio Stations near St. Marys
14 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| CHST-FM "Jack 102.3" London, ON | adult hits, classic rock | AAC+ 48 kbps | |
| CKLO "Classic Rock 98.1 FM" London, ON | classic rock, rebranding | AAC+ 48 kbps | |
| Blown | 60's, 70's | MP3 192 kbps | |
| CBC Radio One - London, ON (MP3 stream) | features, news | MP3 128 kbps | |
| Crucial Velocity Radio | classic metal, hard rock | MP3 192 kbps | |
| CIXX 106.9 "The X" Fanshawe College, London, ON | campus radio, college radio | AAC+ 32 kbps | |
| New Country 93.3 (US) | country | MP3 64 kbps | |
| CHPD 105.9 "De Brigj Radio" Aylmer, ON | community radio, mennonite | MP3 96 kbps | |
| New Country 96.3 FM (US) | - | AAC+ 48 kbps | |
| CKOT-FM "Easy 101.3" Tillsonburg, ON | adult contemporary, rogers media | UNKNOWN | |
| CJDL "Country 107.3" Tillsonburg, ON | country, rogers media | UNKNOWN | |
| FAITH 99.9 CHJX | christian | AAC+ 32 kbps | |
| CKOT-FM 101.3 Giant FM classic rock | canada, classic rock | AAC+ 32 kbps | |
| CHGK-FM 107.7 "2 Day FM" Stratford, ON | hot adult contemporary | AAC+ 57 kbps |
Museums in St. Marys
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Canadian Baseball Hall of Fame | ||||
| Gallery Stratford | ||||
| Jet Aircraft Museum | ||||
| Museum of Ontario Archaeology | ||||
| Royal Canadian Regiment Museum | ||||
| Secrets of Radar Museum | ||||
| St. Marys Museum | ||||
| Stratford Perth Museum | ||||
| Stratford-Perth Museum |
Libraries in St. Marys
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| Cardinal Carter Library | 0.0 | |||||
| Huron County Library - Kirkton Branch | 0.0 | |||||
| London Public Library - Beacock | 0.0 | |||||
| London Public Library - East London | 0.0 | |||||
| London Public Library - Masonville | 0.0 | |||||
| London Public Library - Sherwood Forest | 0.0 | |||||
| London Public Library - Sherwood Forest | 0.0 | |||||
| London Public Library - Stoney Creek | 0.0 | |||||
| London Public Library - Stoney Creek | 0.0 | |||||
| Middlesex County Library - Ilderton | 0.0 | |||||
| Middlesex County Library - Thorndale | 0.0 | |||||
| Oxford County Library - Embro | 0.0 | |||||
| Oxford County Library - Harrington | 0.0 | |||||
| Oxford County Library - Ingersoll | 0.0 | |||||
| Oxford County Library - Thamesford | 0.0 | |||||
| St. Mary's Public Library | 0.0 | |||||
| Stratford Public Library | 0.0 | |||||
| Taylor Library | 0.0 | |||||
| Weldon Library | 0.0 | |||||
| West Perth Public Library | 0.0 |
Farmers Markets in St. Marys
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Stratford Market | |||||
| Trails End Farmers Market |
Cafes in St. Marys
3 cafes within city radius - OpenStreetMap data
Monuments in St. Marys
1 monuments within city radius - OpenStreetMap data
Train Stations in St. Marys
1 train stations within city radius - OpenStreetMap data
Gas Stations in St. Marys
4 gas stations within city radius - OpenStreetMap data
Banks in St. Marys
5 banks within city radius - OpenStreetMap data
Golf Courses in St. Marys
2 golf courses within city radius - OpenStreetMap data
Breweries in St. Marys
| Name | Type | Address | Phone | Website |
|---|---|---|---|---|
| Broken Rail Brewing | ||||
| Jobsite Brewing | ||||
| Ontario Craft Distribution | ||||
| Stratford Brewery |
Airports Near St. Marys
50 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Centralia / James T. Field Memorial Aerodrome | YCE | Medium Airport |
| Goderich Airport | - | Medium Airport |
| London International Airport | YXU | Medium Airport |
| St Thomas Municipal Airport | YQS | Medium Airport |
| Arthur (Metz Field) | - | Small Airport |
| Arthur (Peskett Field) | - | Small Airport |
| Arthur South Airport | - | Small Airport |
| Atwood / Coghlin Airport | - | Small Airport |
| Belwood (Wright Field) Aerodrome | - | Small Airport |
| Brussels (Armstrong Field) Airport | - | Small Airport |
| Brussels / Hemingway Field | - | Small Airport |
| Bushhawk Creek Airport | - | Small Airport |
| Ceilidh Airport | - | Small Airport |
| Centralia (Essery Field) Airport | - | Small Airport |
| Chapeskie Field Airport | - | Small Airport |
| Cherry Hill Field | - | Small Airport |
| Conestogo / Largo Woods Field | - | Small Airport |
| Courtland / Tillsonburg Flying Club Field | - | Small Airport |
| Damascus Field | - | Small Airport |
| Delhi Airport | - | Small Airport |
| Dobie Field | - | Small Airport |
| Dungannon Aerodrome | - | Small Airport |
| Dutton Airport | - | Small Airport |
| Elmira (East) Airport | - | Small Airport |
| Elmira Airport | - | Small Airport |
| Ethel Airport | - | Small Airport |
| Fergus (Royland Field) | - | Small Airport |
| Fordwich Airport | - | Small Airport |
| Grand Bend Airport | - | Small Airport |
| Grand Valley / Luther Field | - | Small Airport |
| Harkes Field | - | Small Airport |
| Harydale Farms Airport | - | Small Airport |
| Highgate Airport | - | Small Airport |
| Innerkip Airport | - | Small Airport |
| Iona Station (Bobier Strip) | - | Small Airport |
| Juergensen Field | - | Small Airport |
| Listowel Airport | - | Small Airport |
| London (Pioneer Airpark) | - | Small Airport |
| London Soaring Society | - | Small Airport |
| Lubitz Field | - | Small Airport |
| Lucan Airport | - | Small Airport |
| Melbourne Airport | - | Small Airport |
| Nixon Airport | - | Small Airport |
| Palmerston Airport | - | Small Airport |
| Papple Aviation Airport | - | Small Airport |
| Paterson Field | - | Small Airport |
| Rand Private Airfield | - | Small Airport |
| Rodney (New Glasgow) Airport | - | Small Airport |
| Roseville Field | - | Small Airport |
| Roth Field | - | Small Airport |
Post Offices in St. Marys
1 post offices.
| Post Office | Address |
|---|---|
| Canada Post |
Treatment Centers in St. Marys
2 treatment centers.
| Center | Type | Phone |
|---|---|---|
| CBI Health - Fanshawe | ||
| Fowler Kennedy Sport Medicine Clinic |
Churches & Religious Organizations in St. Marys
7 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| First Baptist Church | |
| Grace Community Church | |
| Holy Name of Mary Parish Church | |
| Saint James Anglican Church | |
| Saint Marys Presbysterian Church | |
| Saint Marys United Church | |
| The Salvation Army |
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Get ReportFrequently Asked Questions About St. Marys
What is the population of St. Marys?
St. Marys has a population of 7,386 residents and is located in Ontario. The population density is 1,538 people per square mile, spread across 4.8 square miles. The median age of residents is 48.4 years, which is older than the national median of 38.9 years. The population is 52.4% female and 47.6% male.
Is St. Marys expensive to live in?
The median household income is $86,000, 14% above the national average of $75,149. The median home value is $500,000 (77% above the U.S. median). Renters pay a median of $970 per month, below the national average of $1,163. The home price-to-income ratio is 5.8x, which means housing is a stretch relative to local earnings.
Is St. Marys safe?
Property crime occurs at a rate of 3,500 per 100,000 (above the national average). Overall, St. Marys receives a safety grade of C+ based on combined crime data.
What is the weather like in St. Marys?
St. Marys has a four-season climate with an average annual temperature of 48°F (9°C). Winter temperatures average 30°F in January, while summers reach an average of 69°F in July. The area receives 224 sunny days per year. Annual rainfall totals 40.6 inches, with 48.4 inches of snow.
How is the job market in St. Marys?
The job market in St. Marys faces challenges, with unemployment at 10.1% / significantly above the national rate of 3.6%. The average weekly wage is $956. There are 229 business establishments in the area. The average commute time is 21 minutes, and 16.2% of workers work from home.
How much does housing cost in St. Marys?
The median home value in St. Marys is $500,000. For renters, the median monthly rent is $970. The homeownership rate is 81.0%.
How are the schools in St. Marys?
12.8% of adults in St. Marys hold a bachelor's degree or higher, below the national average of 33.7%. 32.1% have completed high school. 4.5% hold a graduate or professional degree.
What is transportation like in St. Marys?
The average commute in St. Marys is 21 minutes, shorter than the national average of 28 minutes. 83.6% of workers drive alone to work, and 16.2% work from home.
What are the demographics of St. Marys?
The racial and ethnic makeup of St. Marys is 95.5% White, 1% Black or African American, 0.9% Hispanic or Latino, 2% Asian. 94.4% of residents speak only English at home.