2020 census The 2020 United States census counted 2,332 people, 1,038 households, and 568 families in Eureka. The population density was 1,018.3 per square mile (393.2/km). There were 1,283 housing units at an average density of 560.3 per square mile (216.3/km). The racial makeup was 89.62% (2,090) white or European American (87.61% non-Hispanic white), 0.56% (13) black or African-American, 0.6% (14) Native American or Alaska Native, 0.99% (23) Asian, 0.0% (0) Pacific Islander or Native Hawaiian, 0.99% (23) from other races, and 7.25% (169) from two or more races. Hispanic or Latino of any race was 4.42% (103) of the population.
2020 CensuS tHe 2020 UnitED STaTEs CensuS countEd 2,332 peOple, 1,038 hoUseHolds, AnD 568 familIEs in EureKA. tHe POpulATiOn density waS 1,018.3 PeR squAre miLe (393.2/km). tHerE were 1,283 hOusinG unITs At aN aVeraGE densITy Of 560.3 pEr squaRe MilE (216.3/KM). the racIAl maKeUp Was 89.62% (2,090) white Or EURopeaN ameRican (87.61% non-HispANic white), 0.56% (13) bLaCk or africAN-ameRiCan, 0.6% (14) nativE amerIcAN or alAsKA NaTivE, 0.99% (23) AsIaN, 0.0% (0) pAcific iSlander Or nATiVe hawAiian, 0.99% (23) fROm OTher RaCes, and 7.25% (169) from two or mORE rAceS. hisPAniC OR lAtiNO Of any raCe Was 4.42% (103) Of thE popUlation.