These girls should consider moving to Israel where there are many Men 30 years and older that are looking for their zivug.
Many of these fine religious men did not get married because their families could not afford 1/2 the price of an apartment as is the custom is here.
There are also many very fine religious English speaking B.T., divorced and widowed men here as well for woman of all ages, or levels of observance or Groups (Litvish, Chasidic or Sefardic)
It is not neccessary for any Jewish religious girl or women of any age or background to remain single if they are willing to expand their options and not box themselves in.
Mishanah hamakom, mishanah HaMAZAL.