Newaygo County (/nəweɪɡoʊ/ nə-WAY-goh) is a county in the U.S. state of Michigan. As of the 2020 United States Census, the population was 49,978. The county seat is White Cloud. The county was created in 1840, and was organized in 1851. It was either named for an Ojibwe leader who signed the Treaty of Saginaw in 1819 or for an Algonquian word meaning "much water".

According to the US Census Bureau, the county has an area of 862 square miles (2,230 km), of which 813 square miles (2,110 km) is land and 48 square miles (120 km) (5.6%) is covered by water. The county is considered to be part of West Michigan.

The county has more than 230 natural lakes. The combined total length of all the county's rivers and streams exceeds 350 miles (560 km). Three large dams—Croton, Hardy, and Newaygo—were built at the beginning of the 20th century. The Hardy Dam is the largest earthen dam east of the Mississippi River. Over half of the county is in the Manistee National Forest.

• Muskegon River
• Pere Marquette River
• Rogue River
• White River

• M-20 runs east–west through center of county. Passes Hesperia, Aetna, and White Cloud.
• M-37 runs north–south through center of county. Passes Bitely, Brohman, White Cloud, Newaygo, Grant, and Ashland.
• M-82 runs east–west through southern part of county. Goes through Newaygo. Ends at county line tri-point of Muskegon, Oceana, and Newaygo Counties.
• M-120 runs the length of county's west line. Terminates in Hesperia.

• B-96

• Mason County – northwest
• Lake County – north
• Osceola County - northeast
• Mecosta County – east
• Montcalm County – southeast
• Kent County – south
• Muskegon County – southwest
• Oceana County – west

• Manistee National Forest (part)

Historical population

Census	Pop.	Note	%±
1850	510		—
1860	2,760		441.2%
1870	7,294		164.3%
1880	14,688		101.4%
1890	20,476		39.4%
1900	17,673		−13.7%
1910	19,220		8.8%
1920	17,378		−9.6%
1930	17,029		−2.0%
1940	19,286		13.3%
1950	21,567		11.8%
1960	24,160		12.0%
1970	27,992		15.9%
1980	34,917		24.7%
1990	38,202		9.4%
2000	47,874		25.3%
2010	48,460		1.2%
2020	49,978		3.1%
2023 (est.)	51,108		2.3%
US Decennial Census 1790-1960 1900-1990 1990-2000 2010-2018

As of the 2000 United States Census, there were 47,874 people, 17,599 households, and 12,935 families in the county. The population density was 57 inhabitants per square mile (22/km). There were 23,202 housing units at an average density of 28 per square mile (11/km). The racial makeup of the county was 94.80% White, 1.12% Black or African American, 0.65% Native American, 0.29% Asian, 0.03% Pacific Islander, 1.63% from other races, and 1.48% from two or more races. 3.85% of the population were Hispanic or Latino of any race. 21.5% were of English ancestry, 20.5% were of German ancestry, 14.4% were of Dutch ancestry, 8.1% were of Irish ancestry and 5.0% were of Polish ancestry according to the 2010 American Community Survey. 95.7% spoke English and 3.2% Spanish as their first language.

There were 17,599 households, out of which 35.20% had children under the age of 18 living with them, 60.20% were married couples living together, 9.00% had a female householder with no husband present, and 26.50% were non-families. 22.20% of all households were made up of individuals, and 9.00% had someone living alone who was 65 years of age or older. The average household size was 2.68 and the average family size was 3.13.

The county population contained 29.10% under the age of 18, 7.40% from 18 to 24, 27.50% from 25 to 44, 23.20% from 45 to 64, and 12.80% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 99.60 males. For every 100 females age 18 and over, there were 97.20 males.

The median income for a household in the county was $37,130, and the median income for a family was $42,498. Males had a median income of $35,549 versus $22,738 for females. The per capita income for the county was $16,976. About 9.00% of families and 11.60% of the population were below the poverty line, including 14.60% of those under age 18 and 8.50% of those age 65 or over.

• The Catholic church – 3,242 members
• The Christian Reformed Church in North America – 7 congregations and 2,056 members
• The United Methodist Church – 7 congregations and 1,600 members
• The Reformed Church in America – 3 congregations and 1,000 members
• The Church of Jesus Christ of Latter-day Saints - 1 meetinghouse in the county.
• The Seventh-day Adventist Church has only one church in Newaygo County.

Newaygo County is part of the Roman Catholic Diocese of Grand Rapids.

Tourism is the most important economic activity in Newaygo County. Secondly is a blend of agricultural and small manufacturing. International baby food manufacturer Gerber Products Company is currently the county's largest employer with approximately 1,300 employees.

Newaygo County also has a large number of summer cottage residents. Fishermen can find many steelhead in the spring and salmon in the fall within the county's rivers and streams. Camping, hunting, cross country skiing, bicycling, birding and ORVing is common in the Manistee National Forest.

• County of Newaygo - White Cloud
• Dura Automotive Systems - Fremont
• Gerber Memorial Health Services - Fremont
• Gerber Products Company - Fremont
• Magna Donnelly - Newaygo
• North American Refractories - White Cloud
• Valspar Corporation - Fremont
• Wilbur Ellis - Grant
• Newaygo Brewing - Newaygo

Newaygo County has been strongly Republican since the Civil War era. Since 1884, the Republican Party nominee has carried the county vote in 92% of the national presidential elections (33 of 36). It has only supported a Democrat for president once in that time, in 1964. The Democrats have managed even 40 percent of the county's vote only five other times.

United States presidential election results for Newaygo County, Michigan

Year	Republican		Democratic		Third party(ies)
	No.	%	No.	%	No.	%
2024	20,630	70.56%	8,131	27.81%	477	1.63%
2020	18,857	69.33%	7,873	28.95%	467	1.72%
2016	15,173	66.60%	6,212	27.27%	1,397	6.13%
2012	12,457	58.00%	8,728	40.64%	293	1.36%
2008	11,862	51.14%	10,790	46.52%	544	2.35%
2004	13,608	59.49%	9,057	39.60%	208	0.91%
2000	11,399	58.29%	7,677	39.25%	481	2.46%
1996	7,868	44.58%	7,614	43.14%	2,169	12.29%
1992	7,333	40.93%	6,455	36.03%	4,128	23.04%
1988	9,896	64.32%	5,389	35.03%	100	0.65%
1984	10,636	69.95%	4,496	29.57%	73	0.48%
1980	8,918	58.58%	5,236	34.40%	1,069	7.02%
1976	8,258	58.78%	5,622	40.01%	170	1.21%
1972	8,245	65.62%	3,978	31.66%	342	2.72%
1968	6,626	59.97%	3,369	30.49%	1,053	9.53%
1964	4,931	47.42%	5,457	52.48%	11	0.11%
1960	7,453	68.55%	3,404	31.31%	15	0.14%
1956	7,088	71.48%	2,808	28.32%	20	0.20%
1952	6,715	71.81%	2,541	27.17%	95	1.02%
1948	4,394	66.92%	2,027	30.87%	145	2.21%
1944	5,250	70.62%	2,156	29.00%	28	0.38%
1940	5,418	66.52%	2,693	33.06%	34	0.42%
1936	3,930	51.41%	3,288	43.01%	426	5.57%
1932	3,458	49.73%	3,275	47.10%	220	3.16%
1928	4,552	83.29%	888	16.25%	25	0.46%
1924	4,243	79.22%	720	13.44%	393	7.34%
1920	4,188	78.91%	929	17.51%	190	3.58%
1916	2,417	58.27%	1,625	39.18%	106	2.56%
1912	964	24.59%	776	19.80%	2,180	55.61%
1908	2,677	69.37%	956	24.77%	226	5.86%
1904	2,966	75.86%	790	20.20%	154	3.94%
1900	2,607	62.68%	1,424	34.24%	128	3.08%
1896	2,650	56.53%	1,943	41.45%	95	2.03%
1892	2,106	51.02%	1,531	37.09%	491	11.89%
1888	2,448	51.85%	1,932	40.92%	341	7.22%
1884	1,971	46.65%	2,051	48.54%	203	4.80%

Newaygo County operates the County jail, maintains rural roads, operates the major local courts, records deeds, mortgages, and vital records, administers public health regulations, and participates with the state in the provision of social services. The county board of commissioners controls the budget and has limited authority to make laws or ordinances. In Michigan, most local government functions – police and fire, building and zoning, tax assessment, street maintenance etc. – are the responsibility of individual cities and townships.

(information as of May 2023)

In Newaygo County there are 16 locations that the State Historic Preservation Office has designated as historical. Two of the sixteen have been listed with the National Register of Historic Places:

• Fremont
• Grant
• Newaygo
• White Cloud (county seat)

• Hesperia (partially)

• Sheridan Charter Township

The Newaygo County Regional Educational Service Agency, based in Fremont, services the districts in the county. The intermediate school district offers regional special education services and technical career programs for its students.

Newaygo County is served by the following regular public school districts:

• Big Jackson School District
• Fremont Public School District
• Grant Public School District
• Hesperia Community Schools
• Newaygo Public School District
• White Cloud Public Schools

Newaygo County has the following private schools:

• Cornerstone Christian Academy
• Fremont Christian School
• Grant Christian School

• Michigan State Historic Sites in Newaygo County
• National Register of Historic Places listings in Newaygo County

"Bibliography on Newaygo County". Clarke Historical Library, Central Michigan University.

• County of Newaygo Archived December 4, 2020, at the Wayback Machine
• Newaygo County Convention and Visitors Bureau
• Newaygo County Road Commission
• Newaygo County Regional Educational Service Agency
• Recycling for Newaygo County

43°33′N 85°48′W / 43.55°N 85.80°W / 43.55; -85.80