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Rolfe, Iowa
Rolfe is a city in Pocahontas County, Iowa, United States. The population was 509 at the time of the 2020 census. This city was named after the Englishman John Rolfe, who married Pocahontas in Jamestown, Virginia. History Rolfe was platted in 1881 at the junction of two railroads. Geography Rolfe is located at (42.814333, -94.530029). According to the United States Census Bureau, the city has a total area of , all land. Demographics 2020 census As of the census of 2020, there were 509 people, 222 households, and 139 families residing in the city. The population density was 483.2 inhabitants per square mile (186.6/km2). There were 294 housing units at an average density of 279.1 per square mile (107.8/km2). The racial makeup of the city was 91.6% White, 2.0% Black or African American, 0.2% Native American, 0.0% Asian, 0.0% Pacific Islander, 3.7% from other races and 2.6% from two or more races. Hispanic or Latino persons of any race comprised 5.1% of the population. O ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
City
A city is a human settlement of a substantial size. The term "city" has different meanings around the world and in some places the settlement can be very small. Even where the term is limited to larger settlements, there is no universally agreed definition of the lower boundary for their size. In a narrower sense, a city can be defined as a permanent and Urban density, densely populated place with administratively defined boundaries whose members work primarily on non-agricultural tasks. Cities generally have extensive systems for housing, transportation, sanitation, Public utilities, utilities, land use, Manufacturing, production of goods, and communication. Their density facilitates interaction between people, government organisations, government organizations, and businesses, sometimes benefiting different parties in the process, such as improving the efficiency of goods and service distribution. Historically, city dwellers have been a small proportion of humanity overall, bu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Population Density
Population density (in agriculture: Standing stock (other), standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geographical term.Matt RosenberPopulation Density Geography.about.com. March 2, 2011. Retrieved on December 10, 2011. Biological population densities Population density is population divided by total land area, sometimes including seas and oceans, as appropriate. Low densities may cause an extinction vortex and further reduce fertility. This is called the Allee effect after the scientist who identified it. Examples of the causes of reduced fertility in low population densities are: * Increased problems with locating sexual mates * Increased inbreeding Human densities Population density is the number of people per unit of area, usually transcribed as "per square kilometre" or square mile, and which may include or exclude, for example, ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hispanic (U
The term Hispanic () are people, cultures, or countries related to Spain, the Spanish language, or broadly. In some contexts, especially within the United States, "Hispanic" is used as an ethnic or meta-ethnic term. The term commonly applies to Spaniards and Spanish-speaking ( Hispanophone) populations and countries in Hispanic America (the continent) and Hispanic Africa (Equatorial Guinea and the disputed territory of Western Sahara), which were formerly part of the Spanish Empire due to colonization mainly between the 16th and 20th centuries. The cultures of Hispanophone countries outside Spain have been influenced as well by the local pre-Hispanic cultures or other foreign influences. There was also Spanish influence in the former Spanish East Indies, including the Philippines, Marianas, and other nations. However, Spanish is not a predominant language in these regions and, as a result, their inhabitants are not usually considered Hispanic. Hispanic culture is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Race (U
Race, RACE or The Race may refer to: * Race (biology), an informal taxonomic classification within a species, generally within a sub-species * Race (human categorization), classification of humans into groups based on physical traits, and/or social relations * Racing, a competition of speed Rapid movement * The Race (yachting race) * Mill race, millrace, or millrun, the current of water that turns a water wheel, or the channel (sluice) conducting water to or from a water wheel * Tidal race, a fast-moving tide passing through a constriction Acronyms * RACE encoding, a syntax for encoding non-ASCII characters in ASCII * Radio Amateur Civil Emergency Service, in the US, established in 1952 for wartime use * Rapid amplification of cDNA ends, a technique in molecular biology * RACE (Remote Applications in Challenging Environments), a robotics development center in the UK * RACE Racing Academy and Centre of Education, a jockey and horse-racing industry training centre in K ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
African American (U
African Americans, also known as Black Americans and formerly also called Afro-Americans, are an Race and ethnicity in the United States, American racial and ethnic group that consists of Americans who have total or partial ancestry from any of the Black people, Black racial groups of Africa. African Americans constitute the second largest ethno-racial group in the U.S. after White Americans. The term "African American" generally denotes descendants of Slavery in the United States, Africans enslaved in the United States. In 2023, an estimated 48.3 million people self-identified as Black, making up 14.4% of the country’s population. This marks a 33% increase since 2000, when there were 36.2 million Black people living in the U.S. African-American history began in the 16th century, with Africans being sold to Atlantic slave trade, European slave traders and Middle Passage, transported across the Atlantic to Slavery in the colonial history of the United States, the Western He ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
White (U
White is the lightest color and is achromatic (having no chroma). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully (or almost fully) reflect and scatter all the visible wavelengths of light. White on television and computer screens is created by a mixture of red, blue, and green light. The color white can be given with white pigments, especially titanium dioxide. In ancient Egypt and ancient Rome, priestesses wore white as a symbol of purity, and Romans wore white togas as symbols of citizenship. In the Middle Ages and Renaissance a white unicorn symbolized chastity, and a white lamb sacrifice and purity. It was the royal color of the kings of France as well as the flag of monarchist France from 1815 to 1830, and of the monarchist movement that opposed the Bolsheviks during the Russian Civil War (1917–1922). Greek temples and Roman temples were faced with white marble, and beginning in the 18th c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Census
A census (from Latin ''censere'', 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given Statistical population, population, usually displayed in the form of statistics. This term is used mostly in connection with Population and housing censuses by country, national population and housing censuses; other common censuses include Census of agriculture, censuses of agriculture, traditional culture, business, supplies, and traffic censuses. The United Nations (UN) defines the essential features of population and housing censuses as "individual enumeration, universality within a defined territory, simultaneity and defined periodicity", and recommends that population censuses be taken at least every ten years. UN recommendations also cover census topics to be collected, official definitions, classifications, and other useful information to coordinate international practices. The United Nations, UN's Food ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marriage
Marriage, also called matrimony or wedlock, is a culturally and often legally recognised union between people called spouses. It establishes rights and obligations between them, as well as between them and their children (if any), and between them and their Affinity (law), in-laws. It is nearly a cultural universal, but the definition of marriage varies between cultures and religions, and over time. Typically, it is an institution in which interpersonal relationships, usually sexual, are acknowledged or sanctioned. In some cultures, marriage is recommended or considered to be Premarital sex, compulsory before pursuing sexual activity. A marriage ceremony is called a wedding, while a private marriage is sometimes called an elopement. Around the world, there has been a general trend towards ensuring Women's rights, equal rights for women and ending discrimination and harassment against couples who are Interethnic marriage, interethnic, Interracial marriage, interracial, In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hispanic And Latino Americans
Hispanic and Latino Americans are Americans who have a Spaniards, Spanish or Latin Americans, Latin American background, culture, or family origin. This demographic group includes all Americans who identify as Hispanic or Latino (demonym), Latino, regardless of Race and ethnicity in the United States census, race. According to the United States Census Bureau, U.S. Census Bureau, an estimated 65,219,145 Hispanics and Latinos were living in the United States in 2023, representing approximately 19.5% of the total Demographics of the United States, U.S. population that year, making them the Race and ethnicity in the United States, second-largest group after the Non-Hispanic whites, non-Hispanic White population. "Origin" can be viewed as the ancestry, nationality group, lineage or country of birth of the person or the person's parents or ancestors before their arrival in the United States of America. People who identify as Hispanic or Latino may be of any race, because similarly ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pacific Islander Americans
Pacific Islander Americans (also colloquially referred to as Islander Americans) are Americans who are of Pacific Islander ancestry (or are descendants of the Indigenous peoples of Oceania). For its purposes, the United States census also counts Aboriginal Australians as part of this group. Pacific Islander Americans make up 0.5% of the US population including those with partial Pacific Islander ancestry, enumerating about 1.4 million people. The largest ethnic subgroups of Pacific Islander Americans are Native Hawaiians, Samoan Americans, Samoans, and Chamorro people, Chamorros. Much of the Pacific Islander population resides in Hawaii, Alaska, California, Utah, and Texas. Pacific Islanders may be considered Oceanian Americans, but this group may include Australians and New Zealander-origin people, who can be of non-Pacific Islander ethnicity. Many Pacific Islander Americans are mixed with other races, especially Europeans and Asians, due to Pacific Islanders being a small p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Asian Americans
Asian Americans are Americans with Asian diaspora, ancestry from the continent of Asia (including naturalized Americans who are Immigration to the United States, immigrants from specific regions in Asia and descendants of those immigrants). Although this term had historically been used for all the indigenous peoples of the continent of Asia, the usage of the term "Asian" by the United States Census Bureau denotes a racial category that includes people with origins or ancestry from East Asia, South Asia, Southeast Asia, and Central Asia. It excludes people with ethnic origins from West Asia, who were historically classified as 'white' and will be categorized as Middle Eastern Americans starting from the 2030 United States census, 2030 census. Central Asians in the United States, Central Asian ancestries (including Afghans, Afghan, Kazakhs, Kazakh, Kyrgyz people, Kyrgyz, Tajiks, Tajik, Turkmens, Turkmen, and Uzbeks, Uzbek) were previously not included in any racial category but h ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Native Americans In The United States
Native Americans (also called American Indians, First Americans, or Indigenous Americans) are the Indigenous peoples of the Americas, Indigenous peoples of the United States, particularly of the Contiguous United States, lower 48 states and Alaska. They may also include any Americans whose origins lie in any of the indigenous peoples of North or South America. The United States Census Bureau publishes data about "American Indians and Alaska Natives", whom it defines as anyone "having origins in any of the original peoples of North and South America ... and who maintains tribal affiliation or community attachment". The census does not, however, enumerate "Native Americans" as such, noting that the latter term can encompass a broader set of groups, e.g. Native Hawaiians, which it tabulates separately. The European colonization of the Americas from 1492 resulted in a Population history of Indigenous peoples of the Americas, precipitous decline in the size of the Native American ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
