Jones County Demographics

A map of Jones County's Population by Race

Jones County, Iowa has an estimated population of 20,896, a slight increase from the 20,646 recorded in the 2020 Census. The population is 91.5% White, 2.7% Multiracial, 2.6% Hispanic, 2.5% Black, 0.6% Asian, and 0.1% Native American/Other. This demographic dot map shows the population of Jones County, with one dot drawn for each person counted by the Census, color-coded by race.

Jones has become slightly more racially diverse since the 2020 Census. It is considerably less diverse than Iowa overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Jones County, that probability was 15.1% in 2020 and 16.0% in the most recent ACS estimates.

Jones County is ranked the 29th most populous county in Iowa, out of 99 counties. Jones County was ranked the 31st most populous county in the 2020 Census.

Jones County's White Population

19,126 residents of Jones County, or 91.5% of the population, identify as White. The share of White residents in Jones County is higher than in Iowa overall, where 82.3% of the population is White. Jones County ranks 47th statewide in terms of White residents as a share of the population, out of 99 counties.

Since the 2020 Census, Jones County's White population has remained roughly the same. White residents' share of Jones County's population has decreased from 92.0% to 91.5%.

Jones County is more White than neighboring Dubuque County (88.3% White), and Linn County (82.4% White). Jones County is less White than neighboring Cedar County (93.2% White), Delaware County (94.1% White), and Jackson County (93.6% White).

Jones County's Black Population

514 residents of Jones County, or 2.5% of the population, identify as Black. The share of Black residents in Jones County is comparable to the share in Iowa overall, where 3.8% of the population is Black. Jones County ranks 22nd statewide in terms of Black residents as a share of the population, out of 99 counties.

Since the 2020 Census, Jones County's Black population has grown by an estimated 17.6%. Black residents' share of Jones County's population has remained roughly unchanged at 2.5%.

Jones County is more Black than neighboring Cedar County (0.4% Black), Delaware County (0.1% Black), and Jackson County (1% Black). Jones County is less Black than neighboring Dubuque County (2.9% Black), and Linn County (5.9% Black).

Jones County's Asian Population

128 residents of Jones County, or 0.6% of the population, identify as Asian. The share of Asian residents in Jones County is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Jones County ranks 78th statewide in terms of Asian residents as a share of the population, out of 99 counties.

Since the 2020 Census, Jones County's Asian population has grown by an estimated 120.7%. Asian residents' share of Jones County's population has remained roughly unchanged at 0.6%.

Jones County is more Asian than neighboring Cedar County (0.5% Asian), Delaware County (0% Asian), and Jackson County (0.1% Asian). Jones County is less Asian than neighboring Dubuque County (1.3% Asian), and Linn County (2.4% Asian).

Jones County's Hispanic Population

543 residents of Jones County, or 2.6% of the population, identify as Hispanic. The share of Hispanic residents in Jones County is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Jones County ranks 73rd statewide in terms of Hispanic residents as a share of the population, out of 99 counties.

Since the 2020 Census, Jones County's Hispanic population has grown by an estimated 9.3%. Hispanic residents' share of Jones County's population has remained roughly unchanged at 2.6%.

Jones County is more Hispanic than neighboring Delaware County (1.7% Hispanic), and Jackson County (1.6% Hispanic). Jones County is less Hispanic than neighboring Cedar County (2.8% Hispanic), Dubuque County (3.3% Hispanic), and Linn County (4.1% Hispanic).

Jones County's Native American/Other Population

21 residents of Jones County, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Jones County is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Jones County ranks 29th statewide in terms of Native American/Other residents as a share of the population, out of 99 counties.

Since the 2020 Census, Jones County's Native American/Other population has declined by an estimated 82.2%. Native American/Other residents' share of Jones County's population has decreased from 0.6% to 0.1%.

Jones County is less Native American/Other than neighboring Cedar County (0.4% Native American/Other), Delaware County (0.5% Native American/Other), Dubuque County (1% Native American/Other), Linn County (0.5% Native American/Other), and Jackson County (1.1% Native American/Other).

Jones County's Multiracial Population

564 residents of Jones County, or 2.7% of the population, identify as Multiracial. The share of Multiracial residents in Jones County is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Jones County ranks 46th statewide in terms of Multiracial residents as a share of the population, out of 99 counties.

Since the 2020 Census, Jones County's Multiracial population has grown by an estimated 5.6%. Multiracial residents' share of Jones County's population has remained roughly unchanged at 2.7%.

Jones County is more Multiracial than neighboring Jackson County (2.6% Multiracial). Jones County is less Multiracial than neighboring Cedar County (2.8% Multiracial), Delaware County (3.7% Multiracial), Dubuque County (3.3% Multiracial), and Linn County (4.7% 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.