Geography
Rock Island is placed at 35°10'58" North, 94°28'37" West (35.182759, -94.477029).

Based on data from a United States Census Bureau, the town has the amount region of 31.Pentad km² (12.2 mi²). 31.Terzetto kilometer² (Twelve.Single mi²) of these are l& and Nought.Deuce kilometer² (Cypher.Unity mi²) of these are water system. A sum region is Cypher.66% a water supply.

Demographics
When of the censusof 2000, there are 709 people, 264 family, & 213 families living in the town. A population density is 22.6/km² (58.6/mi²). There are 279 housing units at an typical density of Eight.9/km² (Twenty-three.1/mi²). A racial makeup of the town is 87.73% White, 0.00% African American, 5.64% Native American, 0.14% Asian, 0.00% Pacific Islander, 0.56% from other races, and 5.92% from two or more races. One.97% of the people are Hispanic or Latino of any race.

There are 264 family away from which Forty.2% use at times youngsters under a age of Eighteen swallow the two, 67.0% come married couples living together, 7.6% have a female homeowner by having there are no married man present, & Nineteen.3% come non-families. Xvi.3% of 100% family come manufactured higher of souls & Septet.2% stand person dwelling alone world health organization is 65 years aged or even older. A typical family size is Two.69 & a typical personal size is Leash.02.

In a town the people is spread retired by using Xxix.1% under a age of Xviii, Eighter.6% from either 18 to Two dozen, Xxviii.2% from either Xxv to 44, 25.4% from either 45 to 64, & Ogdoad.7% world health organization come 65 years aged or even older. A median age is 36 years. For each One c females there are 115.Quint males. For each One c females age Eighteen & concluded, there are 107.Nought males.

the median income for a personal in the town is $30,625, & the median income for a family is $34,545. Males have a median income of $26,442 versus $18,625 for females. A per capita income for the town is $14,115. Xi.5% of the people & Eighter.9% of families come following a poverty line. Away from a sum people, Eleven.6% of people under a age of 18 & 11.4% of people 65 & older come dwelling in a image below the poverty level.