Jefferson
Source:
Colorado
Jefferson is a major-metro county in Colorado with 28 ZIP codes, 575,264 people, and top-decile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, Jefferson, CO sits among US counties with a top-decile household income, on a major-metro county population base, across a multi-ZIP patchwork.
- Top 3%
- household income vs 3,210 US counties
- 575,264
- combined ZIP population
- 28
- USPS ZIP codes covered
- $119,377
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
Jefferson lands in the national county income distribution as top-decile household income on major-metro county footing (FIPS 08059, 28 ZIPs, combined population 575,264). Sort the ZIP table by population before treating the county mean as uniform.
High-income counties with wide ZIP mosaics hide sharp internal gradients. The densest ZIP here is 80123 (Littleton) with 44,795 residents - open it beside a thin rural code from the table before treating the county mean as uniform. HUD Fair Market Rents and FBI county tables attach to FIPS 08059, so scorecards stay county-keyed while household income stays ZIP-keyed.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
28
Total ZIPs
575,264
Total Population
ZIP Codes in Jefferson
Side-by-side: Compare 80123 vs 80127 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 80123 | Littleton | 44,795 | 1,458 |
| 80127 | Littleton | 42,597 | 318 |
| 80401 | Golden | 39,378 | 291 |
| 80004 | Arvada | 35,892 | 1,881 |
| 80003 | Arvada | 35,384 | 2,013 |
| 80128 | Littleton | 34,988 | 1,113 |
| 80227 | Denver | 33,667 | 1,750 |
| 80226 | Denver | 30,930 | 1,483 |
| 80228 | Denver | 30,138 | 1,059 |
| 80021 | Broomfield | 30,051 | 703 |
| 80005 | Arvada | 25,553 | 866 |
| 80214 | Denver | 24,821 | 2,082 |
| 80033 | Wheat Ridge | 23,969 | 1,117 |
| 80439 | Evergreen | 23,778 | 52 |
| 80232 | Denver | 21,411 | 2,000 |
| 80403 | Golden | 18,211 | 53 |
| 80002 | Arvada | 18,020 | 1,130 |
| 80215 | Denver | 17,843 | 1,239 |
| 80465 | Morrison | 15,147 | 130 |
| 80433 | Conifer | 8,354 | 39 |
| 80235 | Denver | 7,571 | 802 |
| 80007 | Arvada | 7,262 | 109 |
| 80470 | Pine | 3,287 | 10 |
| 80454 | Indian Hills | 1,224 | 111 |
| 80457 | Kittredge | 612 | 152 |
| 80453 | Idledale | 197 | 188 |
| 80425 | Buffalo Creek | 184 | 2 |
| 80419 | Golden | 0 | - |
Frequently Asked Questions
What is the population of Jefferson?
Jefferson has a total population of 575,264 across 28 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Jefferson?
Jefferson includes 28 ZIP codes: 80123, 80127, 80401, 80004, 80003, 80128, 80227, 80226, 80228, 80021, and more.