Shell Ridge, California
Census designated place in Contra Costa County, California · ZIP 94598
- Contra Costa County
- Census data · ACS 2019-2023
- 998 (2019-2023 estimate)Population
- 347Households
- $250,001Median household income
- $2,000,001Median home value
- 1ZIP codes
About Shell Ridge
This page shows only what has been published about Shell Ridge: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.
Town intelligenceOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2010 | 959 |
| 2020 | 1,014 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2010 Summary File 1: total population, place level, state 06, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 06, retrieved November 14, 2026.
Median household income $250,001 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 06, retrieved November 14, 2026.
- Owner occupied
- 322 units
- Renter occupied
- 25 units
- Vacancy rate
- 0%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, place level, state 06, retrieved November 14, 2026.
| Measure | Shell Ridge | Contra Costa County | California |
|---|---|---|---|
| Population | 998 | 1,161,458 | 39,242,785 |
| Median household income | $250,001 | $125,727 | $96,334 |
| Median age | 42.9 | 40.3 | 37.6 |
| Median home value | $2,000,001 | $830,800 | $695,400 |
| Bachelor’s degree or higher | 81.9% | 44.9% | 36.5% |
| Foreign-born residents | 10.2% | 26.2% | 26.7% |
| Owner-occupied homes | 92.8% | 67.7% | 55.8% |
| Mean commute to work | 42.1 minutes | 36.0 minutes | 29.0 minutes |
Source: American Community Survey 5-year data profile 2019–2023, place level, state 06, retrieved November 14, 2026.
CommunityRules and moderation
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Events in Shell RidgeAll events
No upcoming event is listed in Shell Ridge yet. Members and businesses add events from the Events page; each is screened before it shows.
Schools
No public school is listed for Shell Ridge: either the NCES directory for California is not loaded yet, or no school's address falls inside Shell Ridge’s boundary. Schools in neighbouring towns are on their pages.
Legislative districts
| Chamber | District |
|---|---|
| U.S. House of Representatives | Congressional District 10 (CA-10) |
| State legislature, lower chamber | Assembly District 16 |
| State legislature, upper chamber | State Senate District 9 |
Boundaries from the Census Bureau’s TIGER/Line district files, matched to Shell Ridge’s own boundary. Who holds each seat appears on the People page once the official records are approved.
Sources: Census cartographic boundaries 2025: congressional districts, 119th Congress, retrieved November 14, 2026; Census cartographic boundaries 2025: state legislative districts, upper chamber, state 06, retrieved November 14, 2026; Census cartographic boundaries 2025: state legislative districts, lower chamber, state 06, retrieved November 14, 2026.
Frequently asked about Shell RidgePromoted from questions people asked
No question about Shell Ridge has been asked often enough to publish an answer yet. Ask Shell Ridge and the answer, once a person checks it, appears here.
Nearby towns
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- Contra Costa CentreCensus designated place
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- Castle HillCensus designated place
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Other towns in Contra Costa County
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