Abbeville

Acadia

Accomack

Adair

Adams

Addison

Adjuntas

Aguada

Aguadilla

Aguas Buenas

Aibonito

Aiken

Aitkin

Alachua

Alamance

Alameda

Alamosa

Albany

Albemarle

Alcona

Alcorn

Aleutians East Borough

Aleutians West Census Area

Alexander

Alexandria City

Alfalfa

Alger

Allamakee

Allegan

Allegany

Alleghany

Allegheny

Allen

Allendale

Alpena

Alpine

Amador

Amelia

Amherst

Amite

Añasco

Anchorage Municipality

Anderson

Andrew

Andrews

Androscoggin

Angelina

Anne Arundel

Anoka

Anson

Antelope

Antrim

Apache

Appanoose

Appling

Appomattox

Aransas

Arapahoe

Archer

Archuleta

Arecibo

Arenac

Arkansas

Arlington

Armstrong

Aroostook

Arroyo

Arthur

Ascension

Ashe

Ashland

None

Vacant housing units in the U.S.: The highest vacant housing regions (dark blue) are in Alaska, parts of Montana, and Wyoming. Most regions in the Midwest (Illinois, Indiana, Ohio) and Southeast (Georgia, Florida) have lower vacancy rates (light blue).

Percentage of housing in the United States that is vacant, excluding seasonal, recreational, or occasional use

US Counties

North America

U.S. Census Bureau

Vacant Housing Units (U.S.)

Mauritania

São Tomé and Príncipe

Gabon

Angola

Benin

Botswana

Côte d'Ivoire

Republic of the Congo

Djibouti

Ghana

Gambia

Equatorial Guinea

Liberia

Malawi

Namibia

Niger

Senegal

Sierra Leone

eSwatini

Togo

Tanzania

Zambia

Burundi

Burkina Faso

Cameroon

Ethiopia

Guinea

Guinea-Bissau

Kenya

Madagascar

Mozambique

Nigeria

Rwanda

Chad

Uganda

South Africa

Zimbabwe

Central African Republic

Democratic Republic of Congo

Eritrea

Mali

Sudan

Somalia

South Sudan

Sub-Saharan Africa

A map highlights malaria risk areas in green, including regions in sub-Saharan Africa such as Nigeria, Democratic Republic of Congo, Kenya, Ethiopia, and Madagascar.

Areas of elevated occurrence of malaria in Sub-Saharan Africa

Malaria Risk Areas

IAMAT

United States

A map displays the average distribution of dew point temperatures across North America in January, using different colors to represent various temperature ranges.

Average January dew points for the contiguous United States

Average Distribution of Dew Points, January (U.S.)

Less than 20 degrees Fahrenheit (Red): Covers most of the United States, excluding the southern and coastal areas, extending into Canada and northern Mexico. 20 degrees Fahrenheit (Blue): North Texas, Oklahoma, Arkansas, Tennessee, North Carolina, Kentucky, eastern Washington, Eastern Oregon, Idaho, and some part of Utah. 30 degrees Fahrenheit (Purple): Most of California along the coast, western Oregon, western Washington, central Texas, northern Louisiana, Alabama, Georgia, and South Coalinga. 40 degrees Fahrenheit (Orange): Covers parts of southern Texas, Louisiana, south of Georgia and north of Florida. 50 degrees Fahrenheit (Yellow): Southcentral region of Florida. 55 degrees Fahrenheit (Green): Restricted to the southern tip of Florida.

Vacant Housing Units (U.S.)			Malaria Risk Areas	Average Distribution of Dew Point Temperatures, January
Class	Rank	Value	Malaria Risk Areas	Less than 20°F	20–29°F	30–39°F	40–49°F
			38.2%
			81.1%
				45.0%	11.1%	5.76%	1.23%