integration before the civil rights reforms to racial homogeneity afterwards. Segregation in the later period is generally by program, many family and elderly housing projects being occupied predominantly or exclusively by blacks and by whites respectively.
Housing projects were less concentrated in low-income areas during the post-civil rights period. This was primarily a result of significant construction of elderly housing outside of central cities. A comparison of the indices of income separation for family and elderly housing projects indicated that elderly housing was significantly less separated by income than family housing. The 1937-1969 index of income separation was 0.24 for family housing projects and 0.11 for elderly projects; the post-1969 values declined to 0.18 and 0.06 respectively.