Non-VRA non-urban CDs/areas that have been rep'd by a Dem since at least the 90s

[nclib]

None: AL, AK, AR, DE, ID, IL, KS, KY, LA, MS, MO, MT, NE, NV, NH, ND, OK, SC, SD, TN, UT, WV, WY

Arizona (assuming the two Hispanic CDs are VRA)
Georgia (assuming GA-2 is VRA)
Texas (assuming all current Dem areas are VRA)

Colorado   CO-2 flipped in 1974
Connecticut   CT-1 flipped in 1958, CT-3 flipped in 1982   
Hawaii   HI-1 Djou 2010 in a special election - otherwise 1990; HI-2 always Dem - started in 1970 - HI-AL was always Dem since statehood in 1959
Indiana   IN-1 flipped in 1930
Iowa   Lucas, Monroe, Marion, Mahaska, Keokuk, Jasper flipped in 1996
Maine   ME-1 flipped in 1996
Maryland   1990s MD-3 and MD-5 have been Dem since at least 1992, MD-3 likely 1926, MD-5 likely 1974
Minnesota   MN-4 flipped in 1948, MN-7 flipped in 1990
New Mexico   NM-3 was briefly held by the GOP a special election in 1998, otherwise Democratic since 1982
North Carolina   southern half of Orange, far-south Durham County, and some of Wake last flipped in 1996
Ohio   parts of OH-9 (1982) and OH-13 (formerly OH-17) (1984)
Oregon   OR-3 flipped in 1954, OR-1 and OR-4 flipped in 1974, OR-5 flipped in 1996
Pennsylvania   Schuylkill County last flipped in 1962, parts of Montgomery County last flipped in 1998
Rhode Island   RI-2 flipped in 1990, RI-1 flipped in 1994
Vermont   counting Bernie as a Dem, flipped in 1990
Virginia   VA-8 flipped in 1990
Washington   1990s WA-6 (1964), 1990s WA-9 (1996), 1990s WA-1 (1998)
Wisconsin   Eau Claire flipped in 1972, rest of WI-3 flipped in 1996, WI-2 flipped in 1998

unsure...can anyone pitch in?

California
Florida
Massachusetts   
Michigan
New Jersey   NJ-1 flipped in 1974, unknown for NJ-6, 8, 9, 10, 12
New York   Buffalo CD (Erie and Niagara), Rochester CD (Monroe), Albany CD (Albany, Schenectady, Saratoga, Montgomery, Rensselaer), Westchester CDs, Nassau CDs, parts of Suffolk (1999); parts of Orange and Dutchess

[nclib]

I don't consider mid-size cities urban for the purposes of this thread, though I probably should count Buffalo as urban. As a general rule, I counted center cities of metros with major professional sports (NBA, MLB, NFL, NHL), though I wasn't sure what to do with places like St. Paul.

Anyone want to take a stab at any of the undone/incomplete states?

[nclib]

Massachusetts

1990s MA-3 and MA-6 flipped in 1996. 1980s MA-1 flipped in 1991. Everything else has been Democratic since at least 1982.

[nclib]

I made a map of counties that have areas that have stayed Democratic since at least the 1990s. I included all, including ones that are urban and/or VRA: