DODGEVILLE — Rapid increases in the Latino population of Wisconsin’s rural areas are reshaping work, school and social life, but also are raising concerns that Spanish-speaking immigrants are often isolated and mistrusted, experts and residents said at an event aimed at fostering better connections between newcomers and long-time residents.

WATERLOO — Top Wisconsin officials acknowledged Tuesday that Wisconsin dairy farmers increasingly rely upon immigrant workers, including large numbers who may be undocumented — a result of demand for labor and the nation’s porous borders.