Delaware, OH Demographics

A map of Delaware's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	35,719	33,878	80.1%	82.0%
Asian	2,612	1,596	5.9%	3.9%
Hispanic	2,156	1,816	4.8%	4.4%
Black	1,989	1,729	4.5%	4.2%
Multiracial	1,894	2,049	4.2%	5.0%
Native American/Other	219	234	0.5%	0.6%

Delaware, Ohio has an estimated population of 44,589, an increase from the 41,302 recorded in the 2020 Census. The population is 80.1% White, 5.9% Asian, 4.8% Hispanic, 4.5% Black, 4.2% Multiracial, and 0.5% Native American/Other. This demographic dot map shows the population of Delaware, with one dot drawn for each person counted by the Census, color-coded by race.

Delaware has become more racially diverse since the 2020 Census. It is considerably less diverse than Ohio overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Delaware, that probability was 31.9% in 2020 and 34.9% in the most recent ACS estimates.

Delaware is ranked the 26th most populous place in Ohio, out of 1,265 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Delaware was ranked the 28th most populous place in the 2020 Census.

Delaware's White Population

35,719 residents of Delaware, or 80.1% of the population, identify as White. The share of White residents in Delaware is slightly higher than in Ohio overall, where 75.8% of the population is White. Delaware ranks 1077th statewide in terms of White residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Delaware's White population has grown by an estimated 5.4%. White residents' share of Delaware's population has decreased from 82.0% to 80.1%.

Delaware is more White than neighboring Powell (77% White). Delaware is less White than neighboring Radnor (100% White), Kilbourne (100% White), Ostrander (92.8% White), and Shawnee Hills (84.5% White).

Delaware's Black Population

1,989 residents of Delaware, or 4.5% of the population, identify as Black. The share of Black residents in Delaware is lower than in Ohio overall, where 12% of the population is Black. Delaware ranks 211th statewide in terms of Black residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Delaware's Black population has grown by an estimated 15.0%. Black residents' share of Delaware's population has remained roughly unchanged at 4.5%.

Delaware is more Black than neighboring Powell (1.2% Black), Radnor (0% Black), Kilbourne (0% Black), Ostrander (1.3% Black), and Shawnee Hills (1.2% Black).

Delaware's Asian Population

2,612 residents of Delaware, or 5.9% of the population, identify as Asian. The share of Asian residents in Delaware is slightly higher than in Ohio overall, where 2.5% of the population is Asian. Delaware ranks 72nd statewide in terms of Asian residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Delaware's Asian population has grown by an estimated 63.7%. Asian residents' share of Delaware's population has increased from 3.9% to 5.9%.

Delaware is more Asian than neighboring Radnor (0% Asian), Kilbourne (0% Asian), and Ostrander (0.2% Asian). Delaware is less Asian than neighboring Powell (14.7% Asian), and Shawnee Hills (6.6% Asian).

Delaware's Hispanic Population

2,156 residents of Delaware, or 4.8% of the population, identify as Hispanic. The share of Hispanic residents in Delaware is comparable to the share in Ohio overall, where 4.8% of the population is Hispanic. Delaware ranks 225th statewide in terms of Hispanic residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Delaware's Hispanic population has grown by an estimated 18.7%. Hispanic residents' share of Delaware's population has remained roughly unchanged at 4.8%.

Delaware is more Hispanic than neighboring Powell (2% Hispanic), Radnor (0% Hispanic), Kilbourne (0% Hispanic), Ostrander (2.7% Hispanic), and Shawnee Hills (3.5% Hispanic).

Delaware's Native American/Other Population

219 residents of Delaware, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Delaware is comparable to the share in Ohio overall, where 0.5% of the population is Native American/Other. Delaware ranks 444th statewide in terms of Native American/Other residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Delaware's Native American/Other population has declined by an estimated 6.4%. Native American/Other residents' share of Delaware's population has remained roughly unchanged at 0.5%.

Delaware is more Native American/Other than neighboring Radnor (0% Native American/Other), Kilbourne (0% Native American/Other), and Ostrander (0% Native American/Other). Delaware is less Native American/Other than neighboring Powell (2.4% Native American/Other), and Shawnee Hills (0.7% Native American/Other).

Delaware's Multiracial Population

1,894 residents of Delaware, or 4.2% of the population, identify as Multiracial. The share of Multiracial residents in Delaware is comparable to the share in Ohio overall, where 4.3% of the population is Multiracial. Delaware ranks 284th statewide in terms of Multiracial residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Delaware's Multiracial population has declined by an estimated 7.6%. Multiracial residents' share of Delaware's population has decreased from 5.0% to 4.2%.

Delaware is more Multiracial than neighboring Powell (2.6% Multiracial), Radnor (0% Multiracial), Kilbourne (0% Multiracial), Ostrander (3.1% Multiracial), and Shawnee Hills (3.6% 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.