Leaving Saint-Jean-sur-Richelieu for a new semi-detached home near Saint-Jean-sur-Richelieu is more than a change of address: it means a new city, a new regional county municipality and a new set of services. The question of living in Sainte-Julie or Saint-Jean-sur-Richelieu deserves answers backed by numbers rather than impressions.

The figures below come from the latest federal census (2021), the ISQ's 2025 population estimates, the two municipalities, Parks Canada, exo's schedules and Centris statistics. The aim isn't to crown a winner: each city has its strengths, and the right answer depends mostly on where your week takes place.

Same region, different networks

Both cities belong to the Montreal census metropolitan area and to the Montérégie administrative region. The same highway network links them (highways 35, 10, 30 and 20), and their buses meet at Terminus Brossard. Beyond that, they answer to different organizations:

Sainte-Julie is part of the Communauté métropolitaine de Montréal; Saint-Jean-sur-Richelieu isn't, which is why exo doesn't run there;
the Haut-Richelieu regional county municipality on one side, Marguerite-D'Youville on the other;
for public schools, the Hautes-Rivières school service centre in Saint-Jean-sur-Richelieu, the Patriotes centre in Sainte-Julie;
for health care, Montérégie-Centre on one side, Montérégie-Est on the other.

For a family, or for someone with regular medical follow-up, these differences matter as much as the kilometres.

Two different scales

With 100,806 residents on July 1, 2025, according to the ISQ, Saint-Jean-sur-Richelieu is Quebec's 11th-largest municipality and the second in Montérégie, after Longueuil. Sainte-Julie has 30,981. Saint-Jean-sur-Richelieu covers 226.93 km², three-quarters of it agricultural land, compared with 48.49 km² for Sainte-Julie.

The two populations are about the same age (a median age of 43.6 in Saint-Jean-sur-Richelieu in 2021, 44.4 in Sainte-Julie), but they aren't made up the same way: 33.7% of households in Saint-Jean-sur-Richelieu are one person living alone, compared with 22.7% in Sainte-Julie, and 60.0% own their home, compared with 79.8%.

What does Saint-Jean-sur-Richelieu offer, and what would you leave behind?

the Richelieu River and the Chambly Canal, a national historic site nearly 20 km long whose bike path is part of the Route verte No. 1;
Vieux-Saint-Jean, with its marina, restaurants, performance halls, museum, cinema and public market;
the International de montgolfières, the hot-air balloon festival, held August 7 to 9 and 13 to 16, 2026, whose 2025 edition was its 42nd;
a 133.5 km cycling network, according to the city's 2026 figures;
the Royal Military College Saint-Jean, opened in 1952 and a university again since 2021;
countryside dotted with vineyards and agritourism, crossed by the Route des vins.

None of this disappears when you move: from Geoffrion Street, the balloon festival grounds are about 45 minutes away by car. But you come back as a visitor rather than enjoying it every day.

What Sainte-Julie and Vilamo offer

free local transit on every route; in Vilamo, every home is less than 300 m from a stop;
a pedestrian and cycling network of more than 40 km and, since October 5, 2026, a BIXI station at Parc Arthur-Gauthier;
a 33.5-hectare neighbourhood laid out around the Club de golf de la Vallée du Richelieu, with 15% set aside for community and recreational space;
services within walking distance: medical services, a pharmacy, a public market, restaurants and a Caisse Desjardins;
the Mont-Saint-Bruno ski centre, 8.8 km from Geoffrion Street.

From Vilamo, Montreal and Longueuil are also closer: 31.5 km to Central Station, compared with 40.7 km from Vieux-Saint-Jean, and 23.9 km to the Longueuil terminus, compared with 40.5 km (OSRM calculation, without traffic). From the Saint-Luc sector, however, the gain toward Central Station is only about 3 minutes.

Living in Sainte-Julie or Saint-Jean-sur-Richelieu when you work

This is often where the decision is made. At the 2021 Census, 61.4% of Saint-Jean-sur-Richelieu workers with a usual place of work had their job in the city itself, compared with 27.4% of Sainte-Julie workers in theirs. And 39.4% of the city's commuters took less than 15 minutes to get to work. For them, moving to Sainte-Julie would mean around forty minutes of driving each way, without traffic.

The project therefore suits other situations first: retirement, a job outside the region — 36.4% of the city's workers already worked outside their regional county municipality in 2021 — or working from home. On that last point, a word of caution: the census figure (16.3%) dates from May 2021, in the middle of the pandemic. To measure the trip yourself, our article on the drive from Saint-Jean-sur-Richelieu to Sainte-Julie covers the routes and public transit.

Housing: two very different stocks

Saint-Jean-sur-Richelieu's housing is more varied: 36.8% of dwellings are apartments in buildings of fewer than five storeys, compared with 24.4% in Sainte-Julie, and 50.1% are detached houses, compared with 66.8%. Semi-detached homes are rare there: 3.3% of dwellings, compared with 5.8% in Sainte-Julie. If that format appeals to you, our article on choosing a detached or semi-detached home near Saint-Jean-sur-Richelieu sets out its advantages and trade-offs.

A word on prices, since the question always comes up: according to Centris, in the third quarter of 2026, the median price of resold single-family homes was $590,000 in Saint-Jean-sur-Richelieu and $690,000 in Sainte-Julie. Those medians blend every kind of resold house and say nothing about the price of a new semi-detached home; they simply show that Sainte-Julie isn't the budget option. The choice comes down to other things: the type of house, what it includes, and how much time you want to spend maintaining it. At BÉAcité, landscaping is delivered complete and an all-inclusive maintenance program takes over from there.

Conclusion

Living in Sainte-Julie or Saint-Jean-sur-Richelieu means choosing between a large regional city, with its river and historic centre, and a smaller city closer to Montreal and Longueuil, where the Vilamo neighbourhood is organized around a golf course and green space. If your job is in Saint-Jean-sur-Richelieu, the distance will weigh on you every day; if you're retired, work from home or head toward Montreal, the equation changes. Either way, a visit in person remains the best way to decide.

Living in Sainte-Julie or Saint-Jean-sur-Richelieu: what you gain, what you leave