Derby, Kansas Population 2021

25,413
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Derby is a city located in Sedgwick County Kansas. With a 2020 population of 25,413, it is the 16th largest city in Kansas and the 1520th largest city in the United States . Derby is currently growing at a rate of 0.93% annually and its population has increased by 14.69% since the most recent census, which recorded a population of 22,158 in 2010. Derby reached it's highest population of 25,413 in 2021. Spanning over 10 miles, Derby has a population density of 2,477 people per square mile.

The average household income in Derby is $89,860 with a poverty rate of 5.13%. The median rental costs in recent years comes to $951 per month, and the median house value is $165,200. The median age in Derby is 35.5 years, 35.3 years for males, and 35.7 years for females.

Derby Demographics

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

  • White: 89.23%
  • Two or more races: 4.39%
  • Black or African American: 2.05%
  • Other race: 1.87%
  • Asian: 1.62%
  • Native American: 0.67%
  • Native Hawaiian or Pacific Islander: 0.17%
The current population of Derby, Kansas is 25,413 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 24,708.The last official US Census in 2010 recorded the population at 22,158.

Derby, Kansas Population 2021

Population by Race

Race Population Percentage
White21,47589.23%
Two or More Races1,0574.39%
Black or African American4932.05%
Some Other Race4501.87%
Asian3911.62%
American Indian and Alaska Native1610.67%
Native Hawaiian and Other Pacific Islander400.17%
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Derby Population by Race

Derby Population Pyramid $2021

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Derby Median Age

35.5


Total

35.3


Male

35.7


Female

Derby Adults

There are 17,471 adults, (3,367 of whom are seniors) in Derby.

Derby Age Dependency

70.6

Age Dependency Ratio

23.9

Old Age Dependency Ratio

46.8

Child Dependency Ratio

Derby Sex Ratio

Female

12,266

50.97%

Male

11,801

49.03%

Derby Population by Age

Derby Renter vs Owner Occupied by Household Type

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Derby Household Types

Type Owner Renter
Married84.2%15.8%
All71%29%
Female61.4%38.6%
Male52.3%47.7%
Non Family49.9%50.1%

71.0%

Rate of Home Ownership

Derby Households and Families

Type Count Average Size Owned
All8,9262.6971
Married5,1173.3284.2
Non Family2,4361.249.9
Female1,0423.0361.4
Male3312.8952.3

3.2

Average Family Size

2.69

Average Household Size

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Derby Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1530.98%
9th to 12th Grade3782.41%
High School Graduate3,24120.69%
Some College3,82424.41%
Associates Degree1,73611.08%
Bachelors Degree4,30427.48%
Graduate Degree2,02812.95%
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Derby Educational Attainment by Sex (over 25)

Derby Educational Attainment by Race

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Race Total High School Bachelors
White14,01113,5415,513
Hispanic638603243
Black340340213
Asian328302241
2+ Races27627697
Other Race20318680
Native American919140
Islander4040

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 73.48%.

Derby Educational Attainment by Race

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Name Average Male Female
Overall$48,059$57,613$39,588
Less Than 9th Grade$26,982$50,000$22,181
High School Graduate$35,742$44,375$27,031
Some College$47,696$57,063$33,672
Bachelors Degree$49,215$61,533$41,167
Graduate Degree$63,627$83,558$56,875

$48,059

Average Earnings

$57,613

Average Male

$39,588

Average Female

Derby Earnings by Educational Attainment

Derby Language by Age

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Derby Language

93.72% of Derby residents speak only English, while 6.28% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.01% of the population.

Derby Language

Derby Poverty by Race

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Name Total In Poverty Poverty Rate
White20,3649544.68%
Hispanic1,56417110.93%
Multiple1,057686.43%
Native1612213.66%
Asian387133.36%
Black493112.23%

5.13%

Overall Poverty Rate

4.38%

Male Poverty Rate

5.86%

Female Poverty Rate

Poverty in Derby

The race most likely to be in poverty in Derby is Native, with 13.66% below the poverty level.

The race least likely to be in poverty in Derby is Black, with 2.23% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.71%. Among those working part-time, it was 7.86%, and for those that did not work, the poverty rate was 9.76%.

Derby Poverty

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Name Poverty
Less Than 9th Grade8.68%
High School7.94%
Some College4.40%
Bachelors or Greater2.69%

Derby Poverty Rate by Education

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Rate Poverty
Female Unemployed18.09%
Male Unemployed4.97%
Male Employed2.72%
Female Employed2.65%

Derby Poverty Rate by Employment Status and Sex

Derby Income by Household Type

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Name Median Mean
Households$73,322$89,860
Families$84,865$102,390
Married Families$92,124-
Non Families$43,036$54,023
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Income by Household Type

Derby Marital Status

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Marriage Rates

59.3%

Overall Marriage Rate

60.1%

Male Marriage Rate

58.4%

Female Marriage Rate

Derby Married by Age and Sex

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Derby Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Derby Marital Status by Race

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Derby Marital Status

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2,193

Number of Veterans

1,954

Male Veterans

239

Female Veterans

War Veterans
Second Gulf War1,005
Vietnam582
First Gulf War561
Korea102
World War II74

Derby Veterans by War

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Age Group Veterans
35 to 54771
65 to 74439
18 to 34404
75+320
55 to 64259

Derby Veterans by Age

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Name Veterans % of Total
White1,88412.05%
Black17541.97%
Hispanic9011.81%
2+ Races6614.86%
Other Race3213.22%
Islander1742.50%
Asian102.92%
Native American98.49%

Derby Veterans by Race

Derby Veterans by Education

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3.01%

Veteran Poverty Rate

26.20%

Veteran Disability Rate

Derby Veterans by Education

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68.2%

Labor Force Participation

64.5%

Employment Rate

3.4%

Unemployment Rate

Derby Employment by Age

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Derby Employment by Race

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Derby Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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59.45%

Born in Derby

96.53%

Native Born

3.47%

Foreign Born

1.10%

Non Citizen

2.37%

Naturalized

Place of Birth

96.53% of Derby residents were born in the United States, with 59.45% having been born in Kansas. 1.10% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Derby Place of Birth

Year Population Growth Annual Growth Rate
202125,4132350.93%
202025,1782350.94%
201924,9432350.95%
201824,7081,0574.47%
201723,651160.07%
201623,6351940.83%
201523,4411640.70%
201423,2771640.71%
201323,1131150.50%
201222,9982661.17%
201122,7322080.92%
201022,5244,7172.38%
200017,8073,1081.94%
199014,6994,9134.15%
19809,7861,8392.10%
19707,9471,4892.10%
19606,4586,15816.59%
19403000.00%
19003000.00%

Derby Population by Year