Oak Grove, MN

City in Anoka County, MN, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

9,130

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

44.5

years ∙ half population younger than 44.5, half older

Diversity Index

18.6%

chance two random people differ in race and ethnicity

Nativity

2.4%

foreign-born population

97.6%Native

2.4% Foreign-born

Geographic Context

Location, size, and surroundings

About

Oak Grove is a city within Anoka County, Minnesota, United States.

Location

City in Anoka County, MN, US

Co-ordinates

DEC45.348351° N, 93.327270° W

DMS45° 20′ 54.06″ N, 93° 19′ 38.17″ W

Population Density & area

269.3/sq mi (104/km²)

Total Area

35.2 sq mi (91.2 km²)

Land Area

33.9 sq mi (87.8 km²) · 96.3%

Water Area

1.3 sq mi (3.4 km²) · 3.7%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

50.7% male

Male 50.7%

Female 49.3%

males per 100 females

Oak Grove 102.8

Anoka County 101.2

Minnesota 100.4

Nativity

2.4%

foreign-born population

97.6%Native

2.4% Foreign-born

% Foreign-born

Oak Grove 2.4%

Anoka County 10.2%

Minnesota 8.7%

Age Distribution

How the population is spread across age groups

Median Age

44.5

years ∙ half population younger than 44.5, half older

Oak Grove

44.5

Anoka County

38.8

Minnesota

38.8

Dependency ratio

61.8

dependents per 100 working-age adults

Oak Grove 61.8

Anoka County 64.2

Minnesota 67.1

AGE DISTRIBUTION

Distribution of age group

Median age

	Oak Grove	Anoka County	Minnesota
Age Group
Children (Under 18)	22.6%	23.7%	22.9%
Working age (18-64)	61.8%	60.8%	59.8%
Senior (65+)	15.6%	15.5%	17.3%
Dependency ratio
Total dependency ratio	61.8	64.2	67.1
Child dependency ratio	36.5	38.8	38.2
Old-age dependency ratio	25.2	25.4	28.9

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

90%

Black

0.5%

Asian

5.8%

Hispanic

Other

2.7%

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

18.6%

chance two random people differ in race and ethnicity

Oak Grove 18.6%

Anoka County 42.9%

Minnesota 41%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of Oak Grove population

	Oak Grove	Anoka County	Minnesota
Hispanic or Latino	1%	5.8%	6.4%
Mexican	0.6%	2.9%	3.9%
Puerto Rican	0%	0.4%	0.3%
Cuban	0%	0.1%	0.1%
Other Hispanic / Latino	0.4%	2.5%	2%
Not Hispanic or Latino	99%	94.2%	93.6%
One race	96.6%	89.6%	89.1%
White	90%	74.5%	75.9%
Black or African American	0.5%	8.8%	6.9%
American Indian and Alaska Native	0%	0.4%	0.7%
Asian	5.8%	5.6%	5.1%
Native Hawaiian and Other Pacific Islander	0%	0%	0%
Some Other Race	0.2%	0.3%	0.5%
Two or more races (Multiracial)	2.4%	4.6%	4.5%

Household & Families Composition

Household size, type, and family structure

Household structure

87.1% family

Family 87.1%

Non family 12.9%

% family households

Oak Grove 87.1%

Anoka County 70.2%

Minnesota 62.3%

Average household size

2.97

persons per household

Oak Grove

2.97

Anoka County

2.67

Minnesota

2.43

Household & Family COMPOSITION

Households

Percentage of Oak Grove population

	Oak Grove	Anoka County	Minnesota
Total households	3,073	137,432	2,307,955
Average houshold size	2.97	2.67	2.43
Family households	2,677	96,423	1,438,404
Average family size	3.11	3.16	3.04
Married couple family	2,360	74,096	1,129,003
Other families	317	22,327	309,401
Male householder	96	7,568	102,922
Female householder	221	14,759	206,479
Non-family households	396	41,009	869,551
One-person households	289	31,363	686,475
Male householder	179	15,073	320,418
Senior (65+) living alone	27	4,678	97,557
Female householder	110	16,290	366,057
Senior (65+) living alone	90	9,345	186,557
Other living arrangements	107	9,646	183,076

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

3,214

housing units

Oak Grove 3,214

Anoka County 141,863

Minnesota 2,545,030

Occupancy status

95.6% occupied

Occupied 95.6%

Vacant 4.4%

vacancy rate

Oak Grove 4.4%

Anoka County 3.1%

Minnesota 9.3%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

97.2%

Single family houses

97.2%

Apartments in multi-unit structures

2.8%

Mobile homes

Boat, RV, van, etc

Median Year Built

1989

Half of houses were built before 1989, and half after.

Historic ∙ 1939 or earlier

3.3%

Postwar & mid-century ∙ 1940 - 1969

6.4%

Late 20th century ∙ 1970 - 1999

59.1%

Modern ∙ 2000 or later

31.2%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Oak Grove	Anoka County	Minnesota
Rooms per unit
Median rooms	7.3	6.4	6.1
1–3 rooms	1.6%	9.4%	14.9%
4–6 rooms	35%	42.6%	41.4%
7+ rooms	63.2%	47.9%	43.7%
Bedrooms
No bedroom / studio	0%	1.3%	2.7%
1 bedroom	1%	6.7%	11.4%
2 bedrooms	7.6%	21.5%	24.5%
3 bedrooms	33.9%	35.7%	32.2%
4+ bedrooms	57.6%	34.8%	29.1%
At a glance
Median year built	1989	1986	1979
Total housing units	3,214	141,863	2,545,030

Occupancy Profile

Who is inside and how they use it

Homeownership

94.2% owners

Renter-occupied 5.8%

Owner-occupied 94.2%

homeownership rate

Oak Grove 94.2%

Anoka County 80.2%

Minnesota 72.2%

Average household size

2.92

Owner-occupied

3.82

Renter-occupied

owner-occupied average size

Oak Grove 2.92

Anoka County 2.77

Minnesota 2.59

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Oak Grove	Anoka County	Minnesota
Total occupied units	3,073	137,432	2,307,955
Year moved in
2020 or later	10.6%	20.3%	23.8%
2010 to 2019	33.9%	39.3%	38.9%
2000 to 2009	21.9%	18.2%	16.1%
1999 or earlier	33.6%	22.2%	21.2%
Occupants per room
1.00 or fewer	99%	97.2%	97.7%
1.01 to 1.50	0.6%	2.2%	1.5%
1.51 or more	0.4%	0.6%	0.8%
Vehicles availability
No vehicles	1.6%	4.6%	6.7%
1 vehicle	14.1%	26.4%	30.8%
2 vehicles	37.1%	41.5%	39.5%
3 or more vehicles	47.2%	27.4%	23.1%
House heating fuel used
Gas	90.6%	85.5%	75.9%
Electricity	8.1%	12.6%	19.4%
Solar	0%	0%	0.1%
Fuel oil, kerosene etc	0.8%	0.3%	1.3%
All other fuels	0.6%	1%	2.5%
No fuel used	0%	0.5%	0.9%
Selected characteristics
Lacking complete plumbing	0%	0.1%	0.4%
Lacking complete kitchen	0%	0.4%	0.7%
No telephone service available	0.2%	0.5%	0.7%

Housing Value

What owner-occupied units are worth

Median home value

$423,300

owner-occupied units

Median value(USD)

Oak Grove

$423,300

Anoka County

$346,500

Minnesota

$329,300

Housing Cost Burden

23.1%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

23.1%

Owners without a mortgage

0.9%

Renters

41.8%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	Oak Grove	Anoka County	Minnesota
Property value
Median Value	$423,300	$346,500	$329,300
Under $100,000	0.3%	5.6%	7.7%
$100,000 - $200,000	3.8%	5%	13.3%
$200,000 - $300,000	7.1%	24.8%	22.6%
$300,000 - $500,000	58.7%	49.6%	36.9%
$500,000 - $1,000,000	29.6%	14.3%	17%
$1,000,000 and more	0.4%	0.7%	2.6%
Owner-occupied households
With a mortgage	70.1%	69.2%	64%
Without a mortgage	29.9%	30.8%	36%
Median monthly owner costs
With a mortgage	$2,213	$1,949	$1,947
Without a mortgage	$652	$686	$698
Gross rent
Median rent	$2,042	$1,464	$1,280

Education Profile

How educated is the community and how education pays off

Adults with a college degree

27%

of adults 25+ with a bachelor's degree or higher

Oak Grove 27%

Anoka County 32.2%

Minnesota 39.4%

Adults without a high school diploma

2.6%

of adults (25+) without a high school diploma

Oak Grove 2.6%

Anoka County 5.6%

Minnesota 6.1%

School Enrollment

Who is enrolled in school and at what level

School enrollment

1,935

population (age 3+) enrolled in school

Nursery / Preschool

7.3%

K–12

81.5%

College / Undergraduate

8.8%

Graduate / Professional

2.3%

College-going rate (18-24 yr olds)

4.2%

of 18-24-year-olds in college or graduate school

Oak Grove

4.2%

Anoka County

30.8%

Minnesota

39.1%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Oak Grove	Anoka County	Minnesota
Total enrolled (age 3+)	1,935	86,586	1,385,086
Nursery / preschool	7.3%	5.6%	6.2%
K–12	81.5%	75.6%	69.9%
Kindergarten	6.7%	4.8%	5.2%
Elementary: Grades 1–4	23.3%	22.6%	20.6%
Elementary: Grades 5–8	22.3%	24%	21.7%
High School: Grades 9–12	29.2%	24.2%	22.4%
College or graduate school	11.2%	18.8%	23.9%
College, undergraduate	8.8%	15.4%	18.8%
Graduate, professional school	2.3%	3.4%	5.1%
College-going rate · 18-24 yr olds	4.2%	30.8%	39.1%
School type
Public school	68.6%	86.9%	83.3%
Private school	31.4%	13.1%	16.7%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

6,432

population 25 years and over

Total adults (25+)

Less than 9th grade

0.5%

9th-12th, no diploma

2.1%

HS graduate

31.3%

Some college no degree

20.6%

Associates degree

18.4%

Bachelors degree

17.5%

Graduate or professional degree

9.5%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

37.5% · 62.5%

9th-12th, no diploma

74.5% · 25.5%

HS graduate

55.2% · 44.8%

Some college no degree

56.8% · 43.2%

Associates degree

47.4% · 52.6%

Bachelors degree

39.6% · 60.4%

Graduate or professional degree

39.4% · 60.6%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Oak Grove	Anoka County	Minnesota
Population (25+)	6,432	254,255	3,923,744
Less than 9th grade	0.5%	2.1%	2.7%
9th–12th, no diploma	2.1%	3.5%	3.4%
High school diploma or GED	31.3%	27.5%	23.3%
Some college, no degree	20.6%	21.9%	19.5%
Associate's degree	18.4%	12.7%	11.8%
Bachelor's degree or higher	27%	32.2%	39.4%
Bachelor's degree	17.5%	22.9%	25.6%
Graduate or professional	9.5%	9.3%	13.8%
High School or higher	97.4%	94.4%	93.9%

Earnings by education level

percentage as applicable

Median Earnings

$68,030

Median earnings for adults 25+, by level

Less than HS graduate

$63,750

HS graduate

$49,599

Some college or associates

$70,438

Bachelors degree

$85,887

Graduate or professional degree

$90,888

Poverty Rate

0.5%

for ages 25+, with bachelors degree or higher

Less than HS graduate

2.4%

HS graduate

2.4%

Some college or associates

2.5%

Bachelors degree or higher

0.5%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Oak Grove	Anoka County	Minnesota
Median earnings
Population 25+, with earnings	$68,030	$60,622	$58,615
Less than high school graduate	$63,750	$39,263	$36,257
High school graduate (includes equivalency)	$49,599	$46,896	$42,951
Some college or associate's degree	$70,438	$57,135	$51,845
Bachelor's degree	$85,887	$76,801	$73,301
Graduate or professional degree	$90,888	$93,516	$89,644
Poverty rates
Less than high school graduate	2.4%	16.2%	23.7%
High school graduate (includes equivalency)	2.4%	9.1%	12.3%
Some college or associate's degree	2.5%	5.4%	7.8%
Bachelor's degree or higher	0.5%	2.6%	3.2%

Insights for Oak Grove, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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