A Vietnam War veteran, Richmond grew up in Rossford, Ohio and graduated from Rossford High School. He attended Wayne State University in Detroit. He then attended Columbia University on a journalism scholarship which he was offered while working at KTVU.
He joined KTVU on April 23, 1968 as a clerk typist, and became anchor in 1976—one of the first African-Americans to become chief anchor of a major-market TV newscast. He co-anchored alongside Barbara Simpson from 1978 to 1986. Elaine Corral served as co-anchor from 1986 to 1998, followed by Leslie Griffith through 2006. His last co-anchor was Julie Haener. During his career he and his wife settled in Pleasanton, California.
After 40 years with KTVU including 31 as anchor, Richmond retired on May 26, 2008, his 65th birthday. By the time of his retirement, Richmond had become the highly respected dean of Bay Area TV news anchors, the longest-serving anchor in the Bay Area's history. His final show garnered 400,000 viewers, giving the newscast a 15.6 Nielsen rating and making him "more popular than Oprah". He has one daughter from a previous relationship and two grandchildren.
Frank Somerville, a longtime anchor for KTVU's morning and afternoon newscasts, succeeded Richmond as anchor of the 10 O'Clock News.
Richmond has won several awards, including the Humanitarian Award of Oakland, the highest honor given in that city, and the Black Media Coalition Journalist of the Year Award. He was honored as the Good Scout of the year by the Boy Scouts of America San Francisco Bay Area Council in 2004.
With him leading the news team, KTVU has won several Emmys and Radio and Television News Directors Association awards.
Richmond also received an Award of Distinction from Rossford High School, as a distinguished graduate.
Dennis Richmond is a native of Toledo, Ohio and served in the United States Army for three years. He gambled on driving to California without a plan, and he found employment with KTVU as a typist and never left.
Richmond is a member of the board of directors of the Child Abuse Consortium which is a Californian statewide government agency. In addition to that, he has also been the General Chairperson of the YMCA fundraising drive for Alameda County. He has also served in the Oakland: Mayor's Blue Ribbon Committee to Save High School Sports.
During his years as a newsanchor his wife operated a beauty salon business. A longtime resident of San Ramon, California, he now makes his home in Grass Valley, California.