2000 census As of the census of 2000, there were 604 people, 269 households, and 161 families residing in the city. The population density was . There were 286 housing units at an average density of . The racial makeup of the city was 99.50% White, 0.17% Asian, and 0.33% from two or more races. Hispanic or Latino of any race were 0.50% of the population. thumb|200px|left|Downtown Portland, ND.
2000 ceNsus aS of thE cenSus of 2000, tHere were 604 people, 269 HousEholDS, and 161 FamiliES ResidIng IN tHe citY. thE poPulaTiON deNSITY Was . THEre WErE 286 hOusing units At aN aVerage deNSitY of . THe RAcIAL Makeup of the cIty waS 99.50% whitE, 0.17% aSiaN, and 0.33% fRom twO oR MoRE raCeS. HISpaNIc OR lATIno oF aNy racE wERe 0.50% of tHe populAtioN. tHumb|200px|left|downtoWN portlAnd, Nd.