Derby, Kansas Population 2020

24,755

Derby is a city located in Kansas. With a 2020 population of 24,755, it is the 16th largest city in Kansas and the 1549th largest city in the United States. Derby is currently growing at a rate of 0.07% annually and its population has increased by 11.72% since the most recent census, which recorded a population of 22,158 in 2010. Spanning over 10 miles, Derby has a population density of 2,413 people per square mile.

The average household income in Derby is $87,147 with a poverty rate of 4.86%. The median rental costs in recent years comes to $926 per month, and the median house value is $159,200. The median age in Derby is 35.8 years, 35.7 years for males, and 35.8 years for females. For every 100 females there are 97.0 males.

Derby Demographics

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

  • White: 90.71%
  • Two or more races: 3.87%
  • Asian: 2.65%
  • Black or African American: 1.53%
  • Native American: 0.73%
  • Other race: 0.50%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Derby, Kansas is 24,755, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 24,721.The last official US Census in 2010 recorded the population at 22,158.

Derby, Kansas Population 2020

Population by Race

Race Population Percentage
White21,55990.71%
Two or More Races9213.87%
Asian6312.65%
Black or African American3641.53%
American Indian and Alaska Native1730.73%
Some Other Race1200.50%

Derby Population Pyramid 2020

Derby Median Age

35.8


Total

35.7


Male

35.8


Female

Derby Adults

There are 17,498 adults, (3,150 of whom are seniors) in Derby.

Derby Age Dependency

65.7

Age Dependency Ratio

22

Old Age Dependency Ratio

43.7

Child Dependency Ratio

Derby Sex Ratio

Female

12,063

50.75%

Male

11,705

49.25%

Derby Households and Families

Derby Renter vs Owner Occupied by Household Type

Derby Household Types

Type Owner Renter
Married82.5%17.5%
Female76%24%
All71.8%28.2%
Non Family52.5%47.5%
Male40.7%59.3%

71.8%

Rate of Home Ownership

Type Count Average Size Owned
All9,0242.6371.8
Married5,1953.2582.5
Non Family2,5271.1852.5
Female9512.9776
Male3512.8640.7

3.15

Average Family Size

2.63

Average Household Size

2.9%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Derby Education

Education Attained Count Percentage
Less Than 9th Grade1420.91%
9th to 12th Grade4272.72%
High School Graduate3,12719.95%
Some College3,93225.08%
Associates Degree1,62110.34%
Bachelors Degree4,41328.15%
Graduate Degree2,01312.84%

Derby Educational Attainment by Race

Name Total High School Bachelors
White14,24613,7145,626
Hispanic457444205
Asian441417312
Multiple Races242242112
Black215215147
Native American858524
Other Race443111

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 70.75%.

Name Average Male Female
Overall$47,793$56,563$36,913
Less Than High School$47,955$57,614$26,953
High School Grad$33,341$43,549$25,766
Some College$42,207$52,853$29,505
Bachelors Degree$52,311$66,596$42,506
Graduate Degree$61,455$63,340$53,542

$47,793

Average Earnings

$56,563

Average Male

$36,913

Average Female

Derby Language

Derby Language by Age

Derby Language

95.78% of Derby residents speak only English, while 4.22% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.81% of the population.

Derby Poverty

Derby Poverty by Race

Name Total In Poverty Poverty Rate
White20,4119004.41%
Multiple92110611.51%
Hispanic1,2091058.68%
Native1732514.45%
Asian626152.40%
Black364102.75%

4.86%

Overall Poverty Rate

4.42%

Male Poverty Rate

5.29%

Female Poverty Rate

Poverty in Derby

The race most likely to be in poverty in Derby is Native, with 14.45% below the poverty level.

The race least likely to be in poverty in Derby is Asian, with 2.40% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.78%. Among those working part-time, it was 6.91%, and for those that did not work, the poverty rate was 10.02%.

Name Poverty
High School6.98%
Less Than High School5.19%
Some College4.22%
Bachelors or Greater2.68%
Name Poverty
Female Unemployed21.28%
Male Employed2.68%
Female Employed2.02%
Male Unemployed0.00%

Derby Income

Derby Income by Household Type

Name Median Mean
Households$71,909$87,147
Families$81,719$99,301
Married Families$89,563-
Non Families$41,311$54,484

Derby Marital Status

Derby Marital Status

Marriage Rates

59.2%

Overall Marriage Rate

60.4%

Male Marriage Rate

58.0%

Female Marriage Rate

Derby Married by Age and Sex

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

Derby Veterans

2,333

Number of Veterans

2,072

Male Veterans

261

Female Veterans

War Veterans
Second Gulf War1,057
First Gulf War617
Vietnam584
Korea144
World War II100
Name Veterans % of Total
White2,07112.95%
Black17155.88%
Hispanic7112.52%
2 or More4916.28%
Other2121.88%
Asian122.37%
Indian98.65%

$Derby Veterans by Education

2.88%

Veteran Poverty Rate

24.23%

Veteran Disability Rate

Derby Employment Status

70.4%

Labor Force Participation

67.3%

Employment Rate

2.9%

Unemployment Rate

Derby Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

58.74%

Born in Kansas

96.55%

Native Born

3.45%

Foreign Born

1.40%

Non Citizen

Place of Birth

96.55% of Derby residents were born in the United States, with 58.74% having been born in Kansas. 1.40% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Year Population Growth Annual Growth Rate
202024,755170.07%
201924,738170.07%
201824,7211,0624.49%
201723,659170.07%
201623,6421960.84%
201523,4461620.70%
201423,2841640.71%
201323,1201200.52%
201223,0002691.18%
201122,7312050.91%
201022,5264,7192.38%
200017,8073,1081.94%
199014,6994,9134.15%
19809,7861,8392.10%
19707,9471,4892.10%
19606,4586,15816.59%
19403000.00%
19003000.00%