Crittenden County is part of the Memphis, TN-MS-AR Metropolitan Statistical Area.

Most of the county's media comes from Memphis, although some Little Rock TV (Arkansas Educational Television Network, KATV) is imported by Comcast Cable.

The legislature selected the (now extant) community of Greenock as the first county seat, and court was first held there in the home of William Lloyd in June 1826.

Crittenden County is served by Arkansas State University Mid-South in West Memphis.

[20] West Memphis & Crittenden County are now served by Baptist Memorial Hospital-Crittenden, an 11-bed, 65,000-square-foot acute care facility.

[22] Crittenden County has been a longtime Democratic stronghold, which begins to be more relevant as the state of Arkansas becomes more entrenched in the Republican Party and Black voters in the Mississippi Delta have become one of the last bases of Democratic support in the state.

Crittenden County is served by the West Memphis Municipal Airport (KAWM),[24] a General Aviation facility with a Control Tower and Instrument Landing capabilities.

Union Pacific operates a 600 Acre intermodal facility west of Marion, Arkansas.

[27] Crittenden County and West Memphis jointly operate a port on the Mississippi River.

Each township includes unincorporated areas; some may have incorporated cities or towns within part of their boundaries.

However, the United States census does list Arkansas population based on townships (sometimes referred to as "county subdivisions" or "minor civil divisions").

Each town or city is within one or more townships in an Arkansas county based on census maps and publications.