ZIP Codes of Broomfield County, CO

81,344 residents live across 3 ZIPs covering 38 sq mi, served by 1 distinct USPS-recognized cities.

Population moved from 66,304 to 81,344 from 2014 to 2024 — a +22.7% change. 2 ZIPs gained residents, 0 lost.

The county's wealthiest ZIP 80023 (Broomfield, $158,180 median) and poorest ZIP 80020 (Broomfield, $117,243) are 5.0 miles apart — a 1.3× income gap across local geography.

Median home values vary 1.4× across this county — from $601,800 in 80020 (Broomfield) to $869,000 in 80023 (Broomfield).

Density varies 2× across the county — from 1,445 people/sq mi in 80023 (Broomfield) to 2,772 in 80020 (Broomfield).

Most of the decade's growth concentrated around Broomfield — top growth ZIPs averaged +34.1% over the past ten years ( 80023 and 80020 ).

Educational attainment ranges from 54.4% bachelor's+ in 80020 (Broomfield) to 69.2% in 80023 (Broomfield) — the breadth of educational profiles across the area.

Within Colorado, this is the #12 most populous of 65 counties and ranks #3 for median household income with the #5 fastest decade growth .

On the national stage, Broomfield County is ranks #39 for income .

Weighted by population, the typical household earns about $130,903 across the county — reflecting what a typical resident sees, not a simple ZIP average.

59.2% of adults age 25+ hold a bachelor's degree or higher (33,367 of 56,379 reporting). The most-educated ZIPs cluster around Broomfield.

2 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.