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Jefferson County growth

1,118 new homes permitted in 2025

Census Building Permits Survey, 2025

New homes permitted in Jefferson County

Housing units the county's permit offices authorized, by year, from the Census Bureau.

New housing units permitted in Jefferson County
PeriodNew homesIn single-family homes
Jan–Sep 2026841703
Jan–Sep 2025898642
20251,118810
20241,172932
20231,188983
20222,2061,074
20212,5151,073
20202,161823
20191,809787
  • Sep 202687
  • Aug 202681
  • Jul 202690
  • Jun 2026123
  • May 202687
  • Apr 2026123
  • Mar 2026123
  • Feb 202677
  • Jan 202650
  • Dec 202570
  • Nov 202544
  • Oct 202568

New homes permitted each month, Oct 2025 to Sep 2026

People in Jefferson County

  • Population580,451Census Population Estimates · July 1, 2025
  • Change since 2020−2,680 (−0.5%)July 1, 2020 to July 1, 2025 · Census Population Estimates
  • New homes per 1,000 residents1.92025 permits per 1,000 people on July 1, 2025 · Census
  • Median household income$110,6562020-2024 · Census ACS 5-year, ±$1,614

Jobs in Jefferson County

  • Jobs in the county247,248Annual average 2025, all industries, by place of work · BLS QCEW
  • Change since 2020+15,169 (+6.5%)2020 to 2025 annual averages · BLS QCEW
  • Average weekly wage$1,6022025, all industries · BLS QCEW

Home values in Jefferson County

Change in the price of homes sold or refinanced more than once (the FHFA repeat-sales index).

  • Home prices, 1 year0%2024 to 2025 · FHFA House Price Index
  • Home prices, 5 years+40%2020 to 2025 · FHFA House Price Index

Growth in nearby counties

Adams CountyArapahoe CountyBoulder CountyBroomfield CountyClear Creek CountyDenver CountyDouglas CountyGilpin County

More

Colorado growth by countyThe data (CSV, JSON)Jefferson County overview

About these numbersSources, dates and how these figures are built

New homes

U.S. Census Bureau, Building Permits Survey, 2019-01 to 2026-09; annual files 2019-2025, posted May 14, 2026; the monthly files through Sep 2026, posted Oct 27, 2026. New housing units authorized by building permits, reported plus imputed. A month is the figure in that month's file; a year is the annual file, which adds late and corrected reports, so twelve months need not add up to the year. Public domain.

People

U.S. Census Bureau, Population Estimates Program, Vintage 2025, July 1, 2020 to July 1, 2025, posted Mar 26, 2026. Public domain.

Income

U.S. Census Bureau, American Community Survey 2020-2024 5-year, table B19013, 2020-2024 (2024 dollars), posted Jan 29, 2026. Median household income; printed at a coefficient of variation of 30% or less. Public domain.

Jobs

U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2020-2025 annual averages, posted Aug 21, 2026. All industries, all ownerships, jobs covered by unemployment insurance; place of work. Public domain.

Home values

FHFA House Price Index (all-transactions), annual county and five-digit ZIP indexes, 2025, posted Mar 31, 2026. Public domain.

Data edition

Figures as of Oct 27, 2026. Area figures, not any one parcel's.