Jefferson

County in Colorado

County

The population development of Jefferson.

Name	Status	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01	Population Estimate 2021-07-01
Jefferson	County	436,550	525,395	534,543	582,910	579,581	→
Colorado	State	3,294,394	4,301,261	5,029,196	5,773,714	5,812,069

Contents: Incorporated Places

The population development of the incorporated places in Jefferson.

The Details icon links to further information about a selected place including its population structure (gender, age groups, age distribution, »race«, ethnicity).

Name	Status	County	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01	Population Estimate 2021-07-01
Arvada	City	Jefferson / Adams	89,823	102,383	106,759	124,539	123,436	→
Bow Mar	Town	Arapahoe / Jefferson	862	847	849	856	844	→
Edgewater	City	Jefferson	4,606	5,433	5,169	5,020	4,951	→
Golden	City	Jefferson	13,002	17,147	18,890	20,133	19,871	→
Lakeside	Town	Jefferson	11	20	8	17	17	→
Lakewood	City	Jefferson	125,968	143,945	142,592	155,944	156,605	→
Littleton	City	Arapahoe / Jefferson / Douglas	33,746	40,178	41,624	45,644	45,191	→
Morrison	Town	Jefferson	447	440	418	386	381	→
Mountain View	Town	Jefferson	550	569	507	542	536	→
Superior	Town	Boulder / Jefferson	294	9,061	12,481	13,297	13,271	→
Westminster	City	Jefferson / Adams	74,166	100,674	106,142	116,375	114,561	→
Wheat Ridge	City	Jefferson	29,387	32,765	30,179	32,380	32,722	→

Source: U.S. Census Bureau (web).

Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.