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Population and Demography of Kansas
Kansas is a state in the Midwestern United States. Kansas is bordered by Nebraska to the north; Missouri to the east; Oklahoma to the south; and Colorado to the west.
Kansas is the 35th most populous state in the United States. The total Land area is 81,759 square miles (211,754 square kilometers) and there is an average of 35 people for every square mile. This makes Kansas the 40th most densely populated state in the US. As per the United States Census Bureau, the population of Kansas in 2020 is 2,937,880 (2.94 million) .
Estimated Population of Kansas in 2024: 2,940,546 (2.94 million)
Kansas Population (2010-2020)
Kansas has a population growth rate of 3% during 2010-2020. It has had a population increase of 84,762 since 2010. The median age in Kansas is approximately 36.2 years of age, with a slight gender gap in the population with 50.3% females and 49.7% males.
| Kansas | Census 2020 |
| Total Population | 2,937,880 (2.94 million) |
| Percentage Change since 2010 | 3% |
| Population Rank | 35th |
| Total Land Area | 81,759 sq. mi. (211,754 sq. km) |
| Area Rank | 15th |
| Population Density | 34.9/sq. mi .(13.5/sq. km.) |
| Capital City | Topeka |
| Largest City | Wichita |
Kansas Historical Population
In the year 1910 Kansas’s population was 1.4 million and in 2020 it reached 2.9 million, an increase of almost 1.5 million.
Let’s look at decade population & percentage change
| Census Year | Population | % Change |
| 1860 | 107,206 | – |
| 1870 | 364,399 | 239.90% |
| 1880 | 996,096 | 173.40% |
| 1890 | 1,428,108 | 43.40% |
| 1900 | 1,470,495 | 3.00% |
| 1910 | 1,690,949 | 15.00% |
| 1920 | 1,769,257 | 4.60% |
| 1930 | 1,880,999 | 6.30% |
| 1940 | 1,801,028 | −4.3% |
| 1950 | 1,905,299 | 5.80% |
| 1960 | 2,178,611 | 14.30% |
| 1970 | 2,246,578 | 3.10% |
| 1980 | 2,363,679 | 5.20% |
| 1990 | 2,477,574 | 4.80% |
| 2000 | 2,688,418 | 8.50% |
| 2010 | 2,853,118 | 6.10% |
| 2020 | 2,937,880 | 3.00% |
Source: US Census 2020
Religion and affiliations
Christianity is the majority religion in Kansas followed by 76% of the population. The largest Christian denomination in Kansas is Protestant (57%); Roman Catholic (18%); Mormonism (1%): Jehovah’s Witnesses (1%)
Next comes the Unaffiliated population, 20% of the population doesn’t follow or adhere to any faith or religion. Other non-Christian-based religions are followed by 4% of the population and include Jewish, Hinduism, Buddhist, Muslim, and other faiths.
For more details read Religion in Kansas
Race and Ethnicity
In 2020, the White alone (non-Hispanic) population was the largest racial or ethnic group in Kansas, comprising 72.55% of the total population. It was followed by the Hispanic or Latino population whose share was 13.02%. Black or African American was the third largest group at 5.56%. Two or more races were at 5.07% & Asians at 2.90%.
Ancestry in Kansas
As per Census Studies & estimate German, Irish, English, American, and Italian have made the five largest ancestry groups in Kansas.
For more Details read Race and Ethnicity in Kansas
Top Cities and Counties in Kansas
As of 2022, Kansas is divided into 105 counties. Johnson County is the most populous county (613,219) and Butler County (1,428 sq mi) is the largest by area. The most populous city in Kansas is Wichita, with a population of 391,731, followed by Overland Park (197,381), and Kansas City (157,717).
read more about Cities and Counties in Kansas
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