We examined coadded IRAS survey data on samples of nearby main sequence stars in search of far-IR excesses similar to examples attributed to clouds of orbiting grains. Of 134 systems, 25 (19%) show significant excesses at 25, 60, or 100 μm with color temperatures greater than 35 K. Approximately 15% of the stars have excess more luminous than 2×10−5L*, roughly independent of spectral type. Several stars with excesses appear to be older than 2×109 yrs, indicating that the particle cloud phenomenon is not solely a feature of young objects. Models of three prominent clouds that have been spatially resolved (β Pic, α PsA, and α Lyr) imply central depleted regions with radii of order 20 AU. One possible explanation for maintenance of the depleted regions is that a planet orbits at and defines each cloud's inner boundary, sweeping up particles entering that region. The sun could have a cloud with similar geometry and somewhat smaller optical depth than these examples which would be difficult to detect from earth because of bright zodiacal and galactic emission.