Boulder, CO
Census ZIP code profile for Boulder, CO - 6 ZIPs, total population 120,932. Median income, home value, education, commute, and demographics from the U.S. Census Bureau American Community Survey 2023 5-Year Estimates.
U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage
ACS city ledger plate
Sheet BOULDER-CO · Boulder, CO 6 ZIPs · 120,932 pop · #4850/25278 · Boulder County
INC-HIGH · RANK-TOP · BELOW-PEER · BOOK-MID · OWN-LOW · POP-MID · SPREAD-WIDE · HOME-TOP
- INC-HIGH $97,625
- RANK-TOP #4850/25278
- BELOW-PEER under Nederland
- BOOK-MID 6 ZIPs
- OWN-LOW 45% owners
- POP-MID 120,932
- SPREAD-WIDE 80302→80304
- HOME-TOP $1,037,800
Nearest income peer: Nederland, CO (+ $3,337 income $)
Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.
Income neighbourhood around Boulder
Lowest/highest poles plus county-sharing cities nearest Boulder on average ZIP median household income. Full ladder: /cities.
- Boulder · this city · lowest
Boulder · this city · lowest
$97,625 median HH income
- Nederland · near
Nederland · near
$100,962 median HH income
- Allenspark · near
Allenspark · near
$101,250 median HH income
- Longmont · near
Longmont · near
$102,725 median HH income
- Ward · near
Ward · near
$116,563 median HH income
- Jamestown · highest
Jamestown · highest
$169,286 median HH income
What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.
National city placement
According to ACS 5-Year Estimates, Boulder, CO sits among US cities with an upper-quartile household income, on a mid-size population base, across a compact ZIP cluster.
- Top 19%
- household income vs 25,278 US cities
- 120,932
- city population (Census)
- 6
- USPS ZIP codes covered
- $97,625
- avg ZIP median income
Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.
High-income city with a manageable ZIP set (6 codes). Median household income averages $97,625 against unemployment of 8.5%. Home values around $1,037,800 and rents near $2,058 usually move together, compare two adjacent ZIPs when school-catchment pockets matter.
Every one of the 9 cities sharing Boulder County reports a higher average ZIP median income than Boulder, Longmont, Louisville and Lafayette among them. That gap is the county's income spread, not a measure of the housing or commute picture below. Jamestown marks the far end of that range at $169,286, 73% above Boulder.
Within-city ZIP comparison
Where the ZIP codes inside Boulder differ
Boulder's city average masks two linked splits. Median household income runs from $61,698 in ZIP 80302 to $126,558 in ZIP 80304, while home values span $793,200 in 80301 to $1,210,200 in 80304. Compare the endpoint ZIPs before treating the city-level number as a neighborhood-level answer.
- Income high-to-low ratio
- 2.1×
- Home-value high-to-low ratio
- 1.5×
- Poverty-rate spread
- 89.6 points
80302 to 80304
80301 to 80304
80304 to 80310
Derived from the published ACS 2023 ZIP-level records shown on this site. A high-to-low ratio compares the highest and lowest available ZIP values; it is not a score or forecast.
Population concentration
Boulder residents fan out across many ZIPs
Population is spread across 6 codes in Boulder. The densest, 80302, still represents only about 22% of the 120,932 residents, so no single ZIP stands in for the city.
Census ZBP business roll-up
Dense employer mosaic across Boulder
Citywide ZBP: 6,529 establishments, 81,703 employees , annual payroll $7,726,510k (~54 establishments per 1,000 residents) across 6 of 6 ZIPs. Peak business ZIP 80301 (2,184 units) ; leading NAICS Professional, scientific, and technical services (1,680) · also Health care and social assistance · Retail trade .
ZIP Codes in Boulder, CO
These ZIP codes sit in Boulder County, which covers 19 ZIP codes in all; 6 of them fall in Boulder. See the Boulder County roll-up →
Every one of the 9 cities sharing Boulder County reports a higher average ZIP median income than Boulder, Longmont, Louisville and Lafayette among them. That gap is the county's income spread, not a measure of the housing or commute picture below. Jamestown marks the far end of that range at $169,286, 73% above Boulder.
Side-by-side: Compare 80302 vs 80304 →
Boulder roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Boulder, .