Nauvoo (/ˈnɔːvuː/; etymology: Hebrew: נָאווּ, Modern: Navu, Tiberian: Nâwû, “they are beautiful”) is a small city in Hancock County, Illinois, United States, on the Mississippi River near Fort Madison, Iowa. The population of Nauvoo was 1,149 at the 2010 census. Nauvoo attracts visitors for its historic importance and its religious significance to members of several groups: The Church of Jesus Christ of Latter-day Saints (LDS Church); the Community of Christ, formerly the Reorganized Church of Jesus Christ of Latter Day Saints (RLDS); other groups stemming from the Latter Day Saint movement; and the Icarians. The city and its immediate surrounding area are listed on the National Register of Historic Places as the Nauvoo Historic District.
Nauvoo is at 40°33′N 91°22′W / 40.550°N 91.367°W / 40.550; -91.367 (40.5446, −91.3803). Situated on a wide bend in the Mississippi River, Nauvoo has most of the historic district in the lower flat lands (called the flats) that are no more than a few feet above the water line. A prominent hill rises as one moves further east, at the apex of which stands the rebuilt Nauvoo Temple. Beginning with the temple, this elevated land (called the uptown) continues flat for many miles eastward.
According to the 2010 census, Nauvoo has a total area of 4.831 square miles (12.51 km), of which 3.39 square miles (8.78 km) (or 70.17%) is land and 1.441 square miles (3.73 km) (or 29.83%) is water.
Non-census data indicates that the population of Nauvoo grew from 100 in 1839 to about 4000 in 1842, 12,000 in 1844, and stood at about 11,000 in 1845.
As of the census of 2010, 1,149 people, 494 households, and 351 families resided in the city. The city’s racial makeup was 97.7% White, 0.6% African American, 0.3% Native American, 0.6% from other races, and 0.9% from two or more races. Hispanic or Latino of any race were 1.60% of the population.
There were 494 households, of which 20.0% had children under the age of 18, 60.9% were married couples living together, 7.7% had a female householder with no husband present and 28.9% were non-families. 28.9% of all households were made up of individuals and 12.5% had someone living alone who was 65 years of age or older. The average household size was 2.28 and the average family size was 2.70.
In the city, the population was spread out with 19.9% under the age of 18 and 29.9% who were 65 years of age or older. The median age was 51.6 years. The population is 47.5% male and 52.5% female.
The city’s median household income was $37,216, and the median family income was $56,250. The city’s per capita income was $26,210. About 6.6% of the population were below the poverty line, including 9.5% of those between ages 18 and 64, and 6.3% of those age 65 or over.
As of the census of 2000, 1,063 people, 403 households, and 276 families resided in the city. The population density was 314.4 people per square mile (121.4/km²). There were 458 housing units at an average density of 135.4 per square mile (52.3/km²). The city’s racial makeup was 97.08% White, 0.28% African American, 0.47% Native American, 0.19% Asian, 0.94% from other races, and 1.03% from two or more races. Hispanic or Latino of any race were 1.60% of the population.
There were 403 households, of which 28.0% had children under the age of 18, 58.3% were married couples living together, 6.9% have a female householder with no husband present and 31.3% were non-families. 28.5% of all households were made up of individuals and 16.4% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 3.04.
In the city, the population was spread out with 24.6% under the age of 18, 6.5% from 18 to 24, 21.9% from 25 to 44, 24.0% from 45 to 64, and 23.0% who were 65 years of age or older. The median age was 43 years. For every 100 females, there were 88.5 males. For every 100 females age 18 and over, there were 79.8 males.
The city’s median household income was $39,519, and the median family income was $49,167. Males had a median income of $37,895 versus $24,250 for females. The city’s per capita income was $18,150. About 5.6% of families and 12.8% of the population were below the poverty line, including 16.2% of those under age 18 and 18.2% of those age 65 or over.