- Dacula
- Dade City
- Dadeville
- Dagsboro
- Dahlonega
- Daisy Hill
- Dale
- Daleville
- Dallas
- Dallas City
- Dallastown
- Dalton
- Dalton City
- Daly City
- Damascus
- Dana
- Dana Point
- Danbury
- Dandridge
- Danese
- Dania Beach
- Daniels
- Dansville
- Danvers
- Danville
- Daphne
- Darby
- Dardanelle
- Darien
- Darling Heights
- Darlington
- Dartmouth
- Daufuskie Island
- Davenport
- Davidson
- Davie
- Davis
- Davis Junction
- Davison
- Davisville
- Dawn
- Dawson
- Dawson Springs
- Dawsonville
- Dayton
- Daytona Beach
- De Graff
- De Leon Springs
- De Motte
- De Pere
- De Soto
- Dearborn
- Dearborn Heights
- Deary
- DeBary
- Decatur
- Decaturville
- Decherd
- Decker
- Decorah
- Dedham
- Deedsville
- Deep River
- Deer Creek
- Deer Lake
- Deer Park
- Deerfield
- Deerfield Beach
- Deerwood
- Defiance
- DeForest
- DeFuniak Springs
- DeKalb
- Del City
- Del Mar
- Del Monte Forest
- Del Rio
- Delafield
- DeLand
- Delano
- Delaplane
- Delavan
- Delaware
- Delaware City
- Delhi
- Delhi charter Township
- Delmar
- Delmont
- Delong
- Delphi
- Delphos
- Delran
- Delray Beach
- Delta
- Delta Junction
- Delton
- Deming
- Demopolis
- Denair
- Denham Springs
- Denison
- Denmark
- Dennis
- Dennison
- Dent
- Denton
- Denver
- Denville
- Depauw
- Depew
- Deptford Township
- Deputy
- Derby
- DeRidder
- Derry
- Derwent
- Derwood
- Des Moines
- Des Peres
- Des Plaines
- Deshler
- DeSoto
- Destin
- Detroit
- Detroit Lakes
- Devens
- Devon
- Dewey
- DeWitt
- Dexter
- Diamond
- Diamond Bar
- Diamondhead
- Diana
- Diboll
- Dickinson
- Dickson
- Dieterich
- Dietzenbach
- Dighton
- Dillon
- Dillsboro
- Dillsburg
- Discovery Bay
- Dix
- Dix Hills
- Dixmoor
- Dixon
- Dobbs Ferry
- Dobson
- Dodge
- Dodge Center
- Dodge City
- Dodgeville
- Dolores
- Dolton
- Dominion City
- Donaldson
- Doniphan
- Doral
- Doraville
- Dorr
- Dorset
- Dorsey
- Dothan
- Double Oak
- Double Springs
- Douglas
- Douglass Hills
- Douglassville
- Douglasville
- Dousman
- Dover
- Dover Plains
- Dover-Foxcroft
- Dowagiac
- Downers Grove
- Downey
- Downingtown
- Doylestown
- Dracut
- Drakesboro
- Draper
- Drayton Valley
- Dresden
- Dresser
- Dripping Springs
- Drummoyne
- Drums
- Dry Ridge
- Du Quoin
- Duarte
- Dubai
- Dublin
- Dubois
- Dubuque
- Duenweg
- Dugger
- Duluth
- Dumas
- Dumfries
- Dumont
- Dunbar
- Duncan
- Duncanville
- Dundalk
- Dundas
- Dundee
- Dune Acres
- Dunedin
- Dunkirk
- Dunlap
- Dunmore
- Dunn Loring
- Dunnellon
- Dunreith
- Dunwoody
- Dupo
- Dupont
- Durack
- Durand
- Durango
- Durant
- Durham
- Duvall
- Duxbury
- Dwight
- Dyer
- Dyersburg