Thornton, Colorado Population 2018

Thornton, Colorado's estimated population is 136,978 according to the most recent United States census estimates. Thornton, Colorado is the 6th largest city in Colorado based on official 2017 estimates from the US Census Bureau.

The population density is 3796.30 people/mi² (1465.75 people/km²), with a household density of 485.60 people/km² (1257.69 people/mi²).

The overall median age is 33 years, 32.2 years for males, and 34 years for females. For every 100 females there are 101.1 males.

Based on data from the American Community Survey, in 2017 there were 45,380 households in the city, with an average size of 2.99 people per household. The vacancy rate was 4%, with a median rent of $1206/month. The median house has 6 rooms, and has a value of $236,100.

The median income for households in Thornton, Colorado is $69,417, while the mean household income is $82,704. The per capita income is $28,497, and 6.2% of families and 8.2% of individuals are below the federal poverty line. 11.2% of those under 18 are in poverty, and 3.5% of those 65 years or older.

Year Population Growth Growth Rate
2017136,9782,1191.57%
2016134,8592,3851.80%
2015132,4742,6692.06%
2014129,8052,4771.95%
2013127,3283,1562.54%
2012124,1722,4712.03%
2011121,7012,3251.95%
2010119,37636,99244.90%
200082,38427,35349.70%
199055,03112,97730.86%
198042,05428,728215.58%
197013,3261,97317.38%
196011,3530.00%

Population by Race

Race Population
White111,566
Asian6,976
Two or More Races4,441
Some Other Race4,109
Black or African American2,118
American Indian and Alaska Native1,218
Native Hawaiian and Other Pacific Islander83

Race Data via US Census (2016 ACS 5-Year Survey)

Thornton Co Population Pyramid 2018

0k0k0k0k0k Male Population0k0k0k0k0k Female Population757065605550454035302520151050

Thornton Co Median Age

33


Total

32.2


Male

34


Female

Lancaster Adults

There are 97,665 adults in Thornton Co.

Thornton Co Age Dependency

58.8

Age Dependency Ratio

13.3

Old Age Dependency Ratio

45.5

Child Dependency Ratio

Thornton Co Housing Indicators

Indicator Value
Median Number of Rooms (per House)
6
Houses Without Mortgage
5,780
Houses With Mortgage
24,584
Vacancy Rate
4
Median Rent
1,206
Median Home Value
236,100
Renter-Occupied Units
13,184
Owner-Occupied Units
30,364
Total Housing Units
45,380

This chart shows the employment and labor force participation rates in Thornton Co for residents over 16 years of age. The 2015 unemployment rate is 3.3% and the labor force participation rate is 73.6%.

Thornton Co Family/Household Indicators

Indicator Value
Average Household Size
2.99
Average Family Size
3.46
Total Households
43548
Married Couple Households
23869
Male Householder (no wife) Families
2756
Female Householder (no husband) Families
5257
Non Family Households
11666
Total Families
31882
Households With Own Children
17148
Unmarried Partner Households (Opposite Sex)
6.8
Unmarried Partner Households (Same Sex)
0.5

Thornton Co Income Distribution

Indicator Value
Under $10,000
1,257
$10,000 to $14,999
1,102
$15,000 to $24,999
2,346
$25,000 to $34,999
3,812
$35,000 to $49,999
5,714
$50,000 to $74,999
9,636
$75,000 to $99,999
6,783
$100,000 to $149,999
8,353
$150,000 to $199,999
2,784
Over $200,000
1,761

Thornton Co Household Income

Income

Median

Mean

Thornton Co

Colorado

$69,417

$62,520

$82,704

$84,384

Under 10k10k - 15k15k - 25k25k - 35k35k - 50k50k - 75k75k - 100k100k - 150k150k - 200kOver 200k00.0550.110.1650.22

Thornton Co Education Data

Thornton Co Educational Attainment (over 25)

Indicator Value Percentage
Less Than 9th Grade
4,6755.71%
9th to 12th Grade
5,9627.29%
High School Graduate
22,48727.48%
Some College
19,01823.24%
Associates Degree
7,6919.40%
Bachelors Degree
15,34318.75%
Graduate Degree
6,6528.13%