Du Bois, IL (village, FIPS 20890) Location: 38.22190 N, 89.21281 W
Population (1990): 216 (116 housing units)
Area: 2.8 sq km (land), 0.0 sq km (water)
Zip code(s): 62831

Du Bois, NE (village, FIPS 13750) Location: 40.03397 N, 96.04585 W
Population (1990): 119 (72 housing units)
Area: 1.2 sq km (land), 0.0 sq km (water)
Zip code(s): 68345

Du Bois, PA Zip code(s): 15801

Du Pont, GA (town, FIPS 24796) Location: 30.98915 N, 82.86985 W
Population (1990): 177 (68 housing units)
Area: 2.0 sq km (land), 0.0 sq km (water)
Zip code(s): 31630

Du Quoin, IL (city, FIPS 21267) Location: 38.00420 N, 89.23538 W
Population (1990): 6697 (3015 housing units)
Area: 14.8 sq km (land), 0.2 sq km (water)
Zip code(s): 62832

Prairie Du Roche, IL Zip code(s): 62277

Prairie Du Sac, WI Zip code(s): 53578

Lac Du Flambeau, WI Zip code(s): 54538

Prairie Du Chien, WI Zip code(s): 53821

Prairie du Chien, WI (city, FIPS 65050) Location: 43.04322 N, 91.13996 W
Population (1990): 5659 (2393 housing units)
Area: 11.3 sq km (land), 1.9 sq km (water)

Prairie du Rocher, IL (village, FIPS 61639) Location: 38.08128 N, 90.09761 W
Population (1990): 540 (228 housing units)
Area: 1.5 sq km (land), 0.0 sq km (water)

Lac du Flambeau, WI (CDP, FIPS 40675) Location: 45.97054 N, 89.90273 W
Population (1990): 1423 (656 housing units)
Area: 13.0 sq km (land), 7.0 sq km (water)

Fond du Lac, WI (city, FIPS 26275) Location: 43.77330 N, 88.44551 W
Population (1990): 37757 (15176 housing units)
Area: 33.1 sq km (land), 2.3 sq km (water)

Prairie du Sac, WI (village, FIPS 65100) Location: 43.29107 N, 89.72850 W
Population (1990): 2380 (929 housing units)
Area: 3.3 sq km (land), 0.3 sq km (water)

North Fond Du La, WI Zip code(s): 54937

North Fond du Lac, WI (village, FIPS 58000) Location: 43.80902 N, 88.48331 W
Population (1990): 4292 (1651 housing units)
Area: 4.3 sq km (land), 0.0 sq km (water)

Fond du Lac County, WI (county, FIPS 39) Location: 43.75536 N, 88.49080 W
Population (1990): 90083 (34548 housing units)
Area: 1872.5 sq km (land), 111.1 sq km (water)