Oronoco, MN

City in Olmsted County, MN, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

1,679

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

Median Age

37.8

years ∙ half population younger than 37.8, half older

Diversity Index

19%

chance two random people differ in race and ethnicity

Nativity

3.5%

foreign-born population

96.5%Native

3.5% Foreign-born

Geographic Context

Location, size, and surroundings

About

Oronoco is a city within Olmsted County, Minnesota, United States.

Location

City in Olmsted County, MN, US

Co-ordinates

DEC44.158446° N, 92.539194° W

DMS44° 09′ 30.41″ N, 92° 32′ 21.10″ W

Population Density & area

573/sq mi (221.2/km²)

Total Area

3.06 sq mi (7.93 km²)

Land Area

2.93 sq mi (7.59 km²) · 95.7%

Water Area

0.13 sq mi (0.34 km²) · 4.3%

Demographics & Living

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

Population Composition

Key characteristics of the population

Sex Distribution

49% male

Male 49%

Female 51%

males per 100 females

Oronoco 95.9

Olmsted County 95.4

Minnesota 100.4

Nativity

3.5%

foreign-born population

96.5%Native

3.5% Foreign-born

% Foreign-born

Oronoco 3.5%

Olmsted County 11%

Minnesota 8.7%

Age Distribution

How the population is spread across age groups

Median Age

37.8

years ∙ half population younger than 37.8, half older

Oronoco

37.8

Olmsted County

37.8

Minnesota

38.8

Dependency ratio

76.9

dependents per 100 working-age adults

Oronoco 76.9

Olmsted County 68.3

Minnesota 67.1

AGE DISTRIBUTION

Distribution of age group

Median age

	Oronoco	Olmsted County	Minnesota
Age Group
Children (Under 18)	36%	23.9%	22.9%
Working age (18-64)	56.5%	59.4%	59.8%
Senior (65+)	7.5%	16.7%	17.3%
Dependency ratio
Total dependency ratio	76.9	68.3	67.1
Child dependency ratio	63.6	40.3	38.2
Old-age dependency ratio	13.3	28	28.9

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

89.8%

Black

0.2%

Asian

2.7%

Hispanic

4.3%

Other

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

19%

chance two random people differ in race and ethnicity

Oronoco 19%

Olmsted County 41.8%

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 Oronoco population

	Oronoco	Olmsted County	Minnesota
Hispanic or Latino	4.3%	6%	6.4%
Mexican	3.2%	3.6%	3.9%
Puerto Rican	0.3%	0.4%	0.3%
Cuban	0%	0%	0.1%
Other Hispanic / Latino	0.8%	1.9%	2%
Not Hispanic or Latino	95.7%	94%	93.6%
One race	93.4%	89.7%	89.1%
White	89.8%	75.3%	75.9%
Black or African American	0.2%	7.5%	6.9%
American Indian and Alaska Native	0%	0.1%	0.7%
Asian	2.7%	6.4%	5.1%
Native Hawaiian and Other Pacific Islander	0%	0%	0%
Some Other Race	0.7%	0.4%	0.5%
Two or more races (Multiracial)	2.3%	4.3%	4.5%

Household & Families Composition

Household size, type, and family structure

Household structure

88.1% family

Family 88.1%

Non family 11.9%

% family households

Oronoco 88.1%

Olmsted County 62.1%

Minnesota 62.3%

Average household size

3.16

persons per household

Oronoco

3.16

Olmsted County

2.41

Minnesota

2.43

Household & Family COMPOSITION

Households

Percentage of Oronoco population

	Oronoco	Olmsted County	Minnesota
Total households	522	66,918	2,307,955
Average houshold size	3.16	2.41	2.43
Family households	460	41,544	1,438,404
Average family size	3.4	3.03	3.04
Married couple family	414	34,234	1,129,003
Other families	46	7,310	309,401
Male householder	11	2,318	102,922
Female householder	35	4,992	206,479
Non-family households	62	25,374	869,551
One-person households	54	19,709	686,475
Male householder	38	7,871	320,418
Senior (65+) living alone	12	1,788	97,557
Female householder	16	11,838	366,057
Senior (65+) living alone	6	5,181	186,557
Other living arrangements	8	5,665	183,076

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

534

housing units

Oronoco 534

Olmsted County 71,151

Minnesota 2,545,030

Occupancy status

97.8% occupied

Occupied 97.8%

Vacant 2.2%

vacancy rate

Oronoco 2.2%

Olmsted County 5.9%

Minnesota 9.3%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

98.5%

Single family houses

98.5%

Apartments in multi-unit structures

1.5%

Mobile homes

Boat, RV, van, etc

Median Year Built

2001

Half of houses were built before 2001, and half after.

Historic ∙ 1939 or earlier

4.7%

Postwar & mid-century ∙ 1940 - 1969

10.5%

Late 20th century ∙ 1970 - 1999

32.2%

Modern ∙ 2000 or later

52.6%

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

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Oronoco	Olmsted County	Minnesota
Rooms per unit
Median rooms	7.9	6.2	6.1
1–3 rooms	0%	15.6%	14.9%
4–6 rooms	18.8%	37.8%	41.4%
7+ rooms	81.3%	46.6%	43.7%
Bedrooms
No bedroom / studio	0%	2.7%	2.7%
1 bedroom	0%	10.9%	11.4%
2 bedrooms	8.1%	23.2%	24.5%
3 bedrooms	30.5%	28.6%	32.2%
4+ bedrooms	61.5%	34.6%	29.1%
At a glance
Median year built	2001	1989	1979
Total housing units	534	71,151	2,545,030

Occupancy Profile

Who is inside and how they use it

Homeownership

98.1% owners

Renter-occupied 1.9%

Owner-occupied 98.1%

homeownership rate

Oronoco 98.1%

Olmsted County 70.6%

Minnesota 72.2%

Average household size

3.16

Owner-occupied

3.2

Renter-occupied

owner-occupied average size

Oronoco 3.16

Olmsted County 2.61

Minnesota 2.59

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Oronoco	Olmsted County	Minnesota
Total occupied units	522	66,918	2,307,955
Year moved in
2020 or later	16.7%	26.3%	23.8%
2010 to 2019	46.7%	38.5%	38.9%
2000 to 2009	20.1%	17.3%	16.1%
1999 or earlier	16.5%	17.9%	21.2%
Occupants per room
1.00 or fewer	99.6%	97.9%	97.7%
1.01 to 1.50	0.4%	1.2%	1.5%
1.51 or more	0%	0.9%	0.8%
Vehicles availability
No vehicles	0.6%	6.9%	6.7%
1 vehicle	10.9%	31.8%	30.8%
2 vehicles	51.9%	41.7%	39.5%
3 or more vehicles	36.6%	19.6%	23.1%
House heating fuel used
Gas	91%	79.3%	75.9%
Electricity	7.3%	18.1%	19.4%
Solar	0%	0%	0.1%
Fuel oil, kerosene etc	0.6%	0.2%	1.3%
All other fuels	1.1%	1.5%	2.5%
No fuel used	0%	0.7%	0.9%
Selected characteristics
Lacking complete plumbing	0.4%	0.4%	0.4%
Lacking complete kitchen	0.4%	0.8%	0.7%
No telephone service available	0%	0.5%	0.7%

Housing Value

What owner-occupied units are worth

Median home value

$505,000

owner-occupied units

Median value(USD)

Oronoco

$505,000

Olmsted County

$331,700

Minnesota

$329,300

Housing Cost Burden

24.5%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

24.5%

Owners without a mortgage

6.6%

Renters

80%

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

	Oronoco	Olmsted County	Minnesota
Property value
Median Value	$505,000	$331,700	$329,300
Under $100,000	2.7%	5.2%	7.7%
$100,000 - $200,000	5.3%	10.6%	13.3%
$200,000 - $300,000	5.5%	27.7%	22.6%
$300,000 - $500,000	35.7%	35.3%	36.9%
$500,000 - $1,000,000	48.6%	18.7%	17%
$1,000,000 and more	2.1%	2.5%	2.6%
Owner-occupied households
With a mortgage	75.8%	61.4%	64%
Without a mortgage	24.2%	38.6%	36%
Median monthly owner costs
With a mortgage	$2,587	$1,956	$1,947
Without a mortgage	$767	$721	$698
Gross rent
Median rent	$1,100	$1,370	$1,280

Education Profile

How educated is the community and how education pays off

Adults with a college degree

58.4%

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

Oronoco 58.4%

Olmsted County 49.4%

Minnesota 39.4%

Adults without a high school diploma

4.2%

of adults (25+) without a high school diploma

Oronoco 4.2%

Olmsted County 4.9%

Minnesota 6.1%

School Enrollment

Who is enrolled in school and at what level

School enrollment

590

population (age 3+) enrolled in school

Nursery / Preschool

9.2%

K–12

85.9%

College / Undergraduate

1.2%

Graduate / Professional

3.7%

College-going rate (18-24 yr olds)

11.5%

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

Oronoco

11.5%

Olmsted County

29.2%

Minnesota

39.1%

Enrollment & school type

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

Population 3+ currently enrolled in a school

	Oronoco	Olmsted County	Minnesota
Total enrolled (age 3+)	590	40,500	1,385,086
Nursery / preschool	9.2%	4.3%	6.2%
K–12	85.9%	73%	69.9%
Kindergarten	5.8%	5%	5.2%
Elementary: Grades 1–4	23.9%	21.4%	20.6%
Elementary: Grades 5–8	31.5%	24%	21.7%
High School: Grades 9–12	24.7%	22.6%	22.4%
College or graduate school	4.9%	22.7%	23.9%
College, undergraduate	1.2%	15.2%	18.8%
Graduate, professional school	3.7%	7.5%	5.1%
College-going rate · 18-24 yr olds	11.5%	29.2%	39.1%
School type
Public school	85.6%	82.9%	83.3%
Private school	14.4%	17.1%	16.7%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

1,023

population 25 years and over

Total adults (25+)

Less than 9th grade

1.7%

9th-12th, no diploma

2.5%

HS graduate

15.6%

Some college no degree

13.7%

Associates degree

8.1%

Bachelors degree

37%

Graduate or professional degree

21.3%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

70.6% · 29.4%

9th-12th, no diploma

92.3% · 7.7%

HS graduate

65% · 35%

Some college no degree

55% · 45%

Associates degree

44.6% · 55.4%

Bachelors degree

45.4% · 54.6%

Graduate or professional degree

41.3% · 58.7%

Educational Attainment Overview

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

Highest credential completed · adults 25+

	Oronoco	Olmsted County	Minnesota
Population (25+)	1,023	111,919	3,923,744
Less than 9th grade	1.7%	2.6%	2.7%
9th–12th, no diploma	2.5%	2.3%	3.4%
High school diploma or GED	15.6%	19%	23.3%
Some college, no degree	13.7%	15.4%	19.5%
Associate's degree	8.1%	11.3%	11.8%
Bachelor's degree or higher	58.4%	49.4%	39.4%
Bachelor's degree	37%	27.9%	25.6%
Graduate or professional	21.3%	21.5%	13.8%
High School or higher	95.8%	95.1%	93.9%

Earnings by education level

percentage as applicable

Median Earnings

$75,223

Median earnings for adults 25+, by level

Less than HS graduate

$116,375

HS graduate

$59,167

Some college or associates

$60,250

Bachelors degree

$84,881

Graduate or professional degree

$135,455

Poverty Rate

1.5%

for ages 25+, with bachelors degree or higher

Less than HS graduate

41.9%

HS graduate

7.5%

Some college or associates

2.2%

Bachelors degree or higher

1.5%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Oronoco	Olmsted County	Minnesota
Median earnings
Population 25+, with earnings	$75,223	$62,225	$58,615
Less than high school graduate	$116,375	$36,357	$36,257
High school graduate (includes equivalency)	$59,167	$43,402	$42,951
Some college or associate's degree	$60,250	$51,378	$51,845
Bachelor's degree	$84,881	$71,599	$73,301
Graduate or professional degree	$135,455	$96,399	$89,644
Poverty rates
Less than high school graduate	41.9%	23.7%	23.7%
High school graduate (includes equivalency)	7.5%	12.4%	12.3%
Some college or associate's degree	2.2%	6.8%	7.8%
Bachelor's degree or higher	1.5%	2.7%	3.2%

Insights for Oronoco, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

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