Buffalo, Oklahoma Population 2024

1,007

Buffalo is a city located in Harper County Oklahoma. Buffalo has a 2024 population of 1,007. It is also the county seat of Harper County. Buffalo is currently declining at a rate of -0.79% annually and its population has decreased by -2.99% since the most recent census, which recorded a population of 1,038 in 2020.

The average household income in Buffalo is $72,532 with a poverty rate of 10.31%. The median age in Buffalo is 39.4 years: 41 years for males, and 35.6 years for females.

Buffalo Demographics

According to the most recent ACS, the racial composition of Buffalo was:

  • White: 79.81%
  • Other race: 15.48%
  • Two or more races: 4.56%
  • Native American: 0.16%
  • Black or African American: 0%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
1.1 sq mi
Density (mi²)
904.60/sq mi
Growth Since 2020
-2.99% (-31)
The current population of Buffalo, Oklahoma is 1,007 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 1,038.

Population by Race

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Race
Population
Percentage (of total)
White1,01679.81%
Other race19715.48%
Two or more races584.56%
Native American20.16%
Black or African American00%
Asian00%
Native Hawaiian or Pacific Islander00%

White

Other race

Two or more races

Native American

Black or African American

Asian

Native Hawaiian or Pacific Islander

Buffalo Population by Race

Buffalo Population Pyramid 2024

Buffalo Median Age

39.4

Total

41

Male

35.6

Female

Buffalo Adults

There are 904 adults, (216 of whom are seniors) in Buffalo.

Buffalo Age Dependency

85

Age Dependency Ratio

31.4

Old Age Dependency Ratio

53.6

Child Dependency Ratio

Buffalo Sex Ratio

Female69854.83%
Male57545.17%

Buffalo Population by Age

Buffalo Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All4142.9484.315.7
Married2773.1188.111.9
Non Family1162.3272.427.6
Male152.671000
Female67.831000

3.18

Average Family Size

2.94

Average Household Size

84.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Buffalo Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade596.67%
Associates Degree283.17%
Bachelors Degree525.88%
Graduate Degree353.96%
High School Graduate33638.01%
Less Than 9th Grade9010.18%
Some College28432.13%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Buffalo Educational Attainment by Sex (over 25)

Buffalo Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White65760187
Hispanic1971100
Other Race109470
2+ Races28220
Native American220

The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among white people with a rate of 13.24%.

Buffalo Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Bachelors Degree$35,625$0$35,625
Graduate Degree$0$0$0
High School Graduate$47,404$48,365$46,106
Less Than 9th Grade$27,875$40,000$14,063
Overall$33,977$44,554$31,377
Some College$30,424$0$30,191

$33,977

Average Earnings

$44,554

Average Male

$31,377

Average Female

Buffalo Earnings by Educational Attainment

Buffalo Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Buffalo Language

78.5% of Buffalo residents speak only English, while 21.5% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 21.5% of the population.

Buffalo Language

Buffalo Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White73111215.32%
Multiple54611.11%

10.31%

Overall Poverty Rate

14.54%

Male Poverty Rate

7.01%

Female Poverty Rate

Poverty in Buffalo

The race most likely to be in poverty in Buffalo is White, with 15.32% below the poverty level.

The race least likely to be in poverty in Buffalo is Multiple, with 11.11% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.33%. Among those working part-time, it was 5.11%, and for those that did not work, the poverty rate was 34.2%.

Buffalo Poverty

rate

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Rate
Poverty
Less Than 9th Grade32.87%
High School19.69%
Some College2.41%
Bachelors or Greater0%

Buffalo Poverty Rate by Education

rate

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Rate
Poverty
Male Employed2.71%
Female Employed2.24%
Male Unemployed0%
Female Unemployed0%

Buffalo Poverty Rate by Employment Status and Sex

Buffalo Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$84,667$87,745
Households$67,500$72,532
Married Families$83,917$-999,999,999
Non Families$29,333$33,450

mean

median

Income by Household Type

Buffalo Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

65.5%

Overall Marriage Rate

64.3%

Male Marriage Rate

66.5%

Female Marriage Rate

Buffalo Married by Age and Sex

male

female

Buffalo Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.

Buffalo Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Buffalo Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

88

Number of Veterans

88

Male Veterans

0

Female Veterans

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War
Veterans
Vietnam78
Korea15
Second Gulf War0
First Gulf War0
World War II0

Buffalo Veterans by War

count

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Age Group
Veterans
55 to 6466
75+22
18 to 340
35 to 540
65 to 740

Buffalo Veterans by Age

count

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Name
Veterans
% of Total
White8811.66%

Buffalo Veterans by Race

Buffalo Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

75%

Veteran Poverty Rate

100%

Veteran Disability Rate

Buffalo Veterans by Education

LaborForceParticipation

56.9%

Labor Force Participation

55.3%

Employment Rate

2.8%

Unemployment Rate

Buffalo Employment by Age

LaborForceParticipation

Buffalo Employment by Race

LaborForceParticipation

Buffalo Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

53.97%

Born in Buffalo

88.45%

Native Born

11.55%

Foreign Born

10.29%

Non Citizen

1.26%

Naturalized

Place of Birth

88.45% of Buffalo residents were born in the United States, with 53.97% having been born in Oklahoma. 10.29% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Buffalo Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029969-7-0.72%
2028976-8-0.81%
2027984-8-0.81%
2026992-7-0.7%
2025999-8-0.79%
20241,007-8-0.79%
20231,01570.69%
20221,008-6-0.59%
20211,014-24-2.31%
20201,038-260-20.03%
20191,298-13-0.99%
20181,311-20-1.5%
20171,33150.38%
20161,326-12-0.9%
20151,338-26-1.91%
20141,36480.59%
20131,356554.23%
20121,301-3-0.23%
20111,30460.46%
20101,29800%

Buffalo Population by Year