1 Being between 40 and 60 years old. 2  Although lipomas can occur at any age, they're most common in this age group. 3  Lipomas are rare in children. 4  Having certain other disorders. 5  People with other disorders, including adiposis dolorosa, Cowden syndrome and Gardner's syndrome, have an increased risk of multiple lipomas.
http://www.mayoclinic.org/diseases-conditions/lipoma/basics/risk-factors/CON-20024646
However, in most of these cases you will not be aware that you have a lipoma, as you cannot see them and they rarely cause any problems. Anyone can develop a lipoma at any age. Lipomas are common. Some people inherit a tendency to develop lipomas and may have several on different parts of the body.
http://patient.info/health/lipoma-leaflet
Lipomas are slow-growing, nearly always benign, adipose tumors that are most often found in the subcutaneous tissues. 1 Most lipomas are asymptomatic, can be diagnosed with clinical examination (Table 1) and do not require treatment.
http://www.aafp.org/afp/2002/0301/p901.html
People of any age can develop a lipoma, but children rarely develop them. While a lipoma can form on any part of the body, they typically appear on the neck, shoulders, back, abdomen, arms, and thighs. They are classified as benign growths (tumors) of fatty tissue; this means a lipoma is not cancerous and is rarely harmful.
http://www.healthline.com/health/skin/lumps
A lipoma that is left alone usually doesn’t cause any problems. However, a dermatologist can treat the lump if it bothers you. Your dermatologist will make the best treatment recommendation based on a number of factors including: 1  the size of lipoma.
http://www.healthline.com/health/skin/lumps
A lipoma is a soft fatty lump. It is a non-cancerous (benign) growth made up from fat cells that clump together. A lipoma can occur in any part of the body where there are fat cells.
http://patient.info/health/lipoma-leaflet
Lipomas under the skin are the most common. Lipomas often form in the fatty tissue under the skin. These are also the most noticeable ones, as they look and feel like soft, dome-shaped lumps under the skin. They vary in size from pea-sized to several centimetres in diameter.
http://patient.info/health/lipoma-leaflet
The cause of lipomas is unknown. Your risk of developing this type of skin lump increases if you have a family history of lipomas. According to the Mayo Clinic, this condition is most prevalent in adults between the ages of 40 and 60 (Mayo, 2012).
http://www.healthline.com/health/skin/lumps
Although a lipoma isn’t cancerous, some cases resemble that of a liposarcoma, which is malignant (i.e., cancerous). Unlike lipomas, liposarcomas are painful and grow quickly under the skin.
http://www.healthline.com/health/skin/lumps
Several factors may increase your risk of developing a lipoma, including: 1  Being between 40 and 60 years old. 2  Although lipomas can occur at any age, they're most common in this age group. 3  Lipomas are rare in children. 4  Having certain other disorders.
http://www.mayoclinic.org/diseases-conditions/lipoma/basics/risk-factors/CON-20024646
at what age lipoma
Lipoma is at between 40 and 60 age. A lipoma occurs between 40 and 60 years of age.