neighborhood impaction?
impacted
: of, relating to, or being an area (as a school district) providing tax-supported services to a population having a large proportion of federal employees and especially those living or working on tax-exempt federal property aid to education in impacted areas
: densely populated; overcrowded: an impacted school district. [1675–85; obsolete impact adj. (< Latin impāctus, past participle of impingere to fasten, cause to collide, strike; see impinge + -ed2]
impaction
: the state of being impacted. [1730–40; < Late Latin]