| Toyoyama | |
| Native Name Lang: | ja |
| Settlement Type: | Town |
| Image Blank Emblem: | Emblem of Toyoyama, Aichi.svg |
| Blank Emblem Type: | Emblem |
| Pushpin Map: | Japan |
| Pushpin Map Caption: | |
| Coordinates: | 35.2505°N 136.9121°W |
| Subdivision Type: | Country |
| Subdivision Name: | Japan |
| Subdivision Type1: | Region |
| Subdivision Name1: | Chūbu region Tōkai region |
| Subdivision Type2: | Prefecture |
| Subdivision Name2: | Aichi |
| Subdivision Type3: | District |
| Subdivision Name3: | Nishikasugai |
| Area Total Km2: | 6.18 |
| Population Total: | 15630 |
| Population As Of: | October 1, 2019 |
| Population Density Km2: | auto |
| Timezone1: | Japan Standard Time |
| Utc Offset1: | +9 |
| Blank Name Sec1: | City Symbols |
| Blank1 Name Sec1: | - Tree |
| Blank1 Info Sec1: | Castanopsis |
| Blank2 Name Sec1: | - Flower |
| Blank2 Info Sec1: | Camellia sasanqua |
| Blank Name Sec2: | Phone number |
| Blank Info Sec2: | 0568-28-0001 |
| Blank1 Name Sec2: | Address |
| Blank1 Info Sec2: | Toyoyama-chō, Nishikasugai-gun, Aichi-ken 480-0292 |
is a town located in Nishikasugai District, Aichi Prefecture, Japan., the town had an estimated population of 15,630 in 6,757 households,[1] and a population density of 2,529 persons per km2. The total area of the town is 6.18sqkm.
Toyoyama is located in the flatlands of central Aichi Prefecture. A third of the area of the town is occupied by Nagoya Airfield.
Per Japanese census data,[2] the population of Toyoyama has been increasing over the past 20 years.
The town has a climate characterized by characterized by hot and humid summers, and relatively mild winters (Köppen climate classification Cfa). The average annual temperature in Toyoyama is 15.8 °C. The average annual rainfall is 1713 mm with September as the wettest month. The temperatures are highest on average in August, at around 28.2 °C, and lowest in January, at around 4.4 °C.[3]
Aoyama and Toyoba villages were created within Nishikasugai District, Aichi with the establishment of the modern municipalities system on October 1, 1889. The town villages merged to form the village of Toyoyama on July 16, 1906. Toyoyama was elevated to town status on April 1, 1972.
Mitsubishi Heavy Industries Aerospace Division assembles the Mitsubishi Regional Jet in Toyoyama. Nakanihon Air Service, a general aviation operator, is also located in Toyoyama on the airport grounds.[4] Toyoyama is also home to the Nagoya Central Wholesale Market.
Toyoyama does not have a passenger railway service.