Franklin County Demographics

A map of Franklin County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	93,978	95,680	88.7%	91.4%
Multiracial	7,802	4,780	7.4%	4.6%
Hispanic	2,461	2,205	2.3%	2.1%
Black	905	880	0.9%	0.8%
Asian	453	532	0.4%	0.5%
Native American/Other	351	605	0.3%	0.6%

Franklin County, Missouri has an estimated population of 105,950, a slight increase from the 104,682 recorded in the 2020 Census. The population is 88.7% White, 7.4% Multiracial, 2.3% Hispanic, 0.9% Black, 0.4% Asian, and 0.3% Native American/Other. This demographic dot map shows the population of Franklin County, with one dot drawn for each person counted by the Census, color-coded by race.

Franklin has become more racially diverse since the 2020 Census. It is considerably less diverse than Missouri overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Franklin County, that probability was 16.2% in 2020 and 20.7% in the most recent ACS estimates.

Franklin County is ranked the 12th most populous county in Missouri, out of 115 counties. Franklin County was ranked the 12th most populous county in the 2020 Census.

Franklin County's White Population

93,978 residents of Franklin County, or 88.7% of the population, identify as White. The share of White residents in Franklin County is considerably higher than in Missouri overall, where 76.3% of the population is White. Franklin County ranks 51st statewide in terms of White residents as a share of the population, out of 115 counties.

Since the 2020 Census, Franklin County's White population has declined by an estimated 1.8%. White residents' share of Franklin County's population has decreased from 91.4% to 88.7%.

Franklin County is more White than neighboring St. Charles County (83% White). Franklin County is less White than neighboring Warren County (89.4% White), Gasconade County (94.3% White), Washington County (91.8% White), and Crawford County (91.9% White).

Franklin County's Black Population

905 residents of Franklin County, or 0.9% of the population, identify as Black. The share of Black residents in Franklin County is lower than in Missouri overall, where 10.9% of the population is Black. Franklin County ranks 61st statewide in terms of Black residents as a share of the population, out of 115 counties.

Since the 2020 Census, Franklin County's Black population has grown by an estimated 2.8%. Black residents' share of Franklin County's population has remained roughly unchanged at 0.9%.

Franklin County is more Black than neighboring Crawford County (0.8% Black). Franklin County is less Black than neighboring Warren County (1.1% Black), Washington County (1.7% Black), and St. Charles County (5% Black).

Franklin County's Asian Population

453 residents of Franklin County, or 0.4% of the population, identify as Asian. The share of Asian residents in Franklin County is comparable to the share in Missouri overall, where 2.1% of the population is Asian. Franklin County ranks 38th statewide in terms of Asian residents as a share of the population, out of 115 counties.

Since the 2020 Census, Franklin County's Asian population has declined by an estimated 14.8%. Asian residents' share of Franklin County's population has remained roughly unchanged at 0.4%.

Franklin County is more Asian than neighboring Gasconade County (0.1% Asian), Washington County (0.1% Asian), and Crawford County (0.1% Asian). Franklin County is less Asian than neighboring St. Charles County (3% Asian).

Franklin County's Hispanic Population

2,461 residents of Franklin County, or 2.3% of the population, identify as Hispanic. The share of Hispanic residents in Franklin County is slightly lower than in Missouri overall, where 5.2% of the population is Hispanic. Franklin County ranks 57th statewide in terms of Hispanic residents as a share of the population, out of 115 counties.

Since the 2020 Census, Franklin County's Hispanic population has grown by an estimated 11.6%. Hispanic residents' share of Franklin County's population has remained roughly unchanged at 2.3%.

Franklin County is more Hispanic than neighboring Gasconade County (1.6% Hispanic), and Washington County (1.1% Hispanic). Franklin County is less Hispanic than neighboring Warren County (4.1% Hispanic), Crawford County (2.4% Hispanic), and St. Charles County (4.2% Hispanic).

Franklin County's Native American/Other Population

351 residents of Franklin County, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Franklin County is comparable to the share in Missouri overall, where 0.7% of the population is Native American/Other. Franklin County ranks 70th statewide in terms of Native American/Other residents as a share of the population, out of 115 counties.

Since the 2020 Census, Franklin County's Native American/Other population has declined by an estimated 42.0%. Native American/Other residents' share of Franklin County's population has remained roughly unchanged at 0.3%.

Franklin County is more Native American/Other than neighboring Warren County (0.2% Native American/Other), and Washington County (0.1% Native American/Other). Franklin County is less Native American/Other than neighboring Gasconade County (0.5% Native American/Other), Crawford County (0.8% Native American/Other), and St. Charles County (0.5% Native American/Other).

Franklin County's Multiracial Population

7,802 residents of Franklin County, or 7.4% of the population, identify as Multiracial. The share of Multiracial residents in Franklin County is slightly higher than in Missouri overall, where 4.8% of the population is Multiracial. Franklin County ranks 58th statewide in terms of Multiracial residents as a share of the population, out of 115 counties.

Since the 2020 Census, Franklin County's Multiracial population has grown by an estimated 63.2%. Multiracial residents' share of Franklin County's population has increased from 4.6% to 7.4%.

Franklin County is more Multiracial than neighboring Warren County (4.7% Multiracial), Gasconade County (2.6% Multiracial), Washington County (5.2% Multiracial), Crawford County (4.1% Multiracial), and St. Charles County (4.3% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.