SACRAMENTO, July 8 — The figure that matters: 12,000. That is the number of Chinese immigrant laborers Charles Crocker had hired by 1868 for the Central Pacific Railroad, making up 80 percent of the company’s entire workforce. It was a decision born of necessity and ruthlessness, and it built the railroad that connected a continent.
Crocker, who died in 1888 at his San Mateo estate, left behind an estate valued at $20 million — equivalent to roughly $680 million in 2023 dollars. He was one of the “Big Four” investors behind the Central Pacific.
But among them, Crocker was the man on the ground, the construction superintendent who managed the men and the mountains. Born in Troy, New York, in 1822, Crocker moved to California in 1852. He first made his money as a dry goods merchant before pivoting to railroad contracting.
By the numbers, his legacy is one of brutal efficiency: the Summit Tunnel at Donner Pass, a 1,659-foot bore through solid granite, took 15 months to complete under his supervision. Crocker authorized the use of nitroglycerin for blasting — a dangerous, experimental explosive that few were willing to touch.
The workforce decision was the one that mattered most. Initial experiments with white laborers proved insufficient for the scale and speed the Central Pacific demanded. Crocker turned to Chinese immigrants, hiring them in vast numbers.
By 1868, the 12,000 Chinese workers on the payroll represented the backbone of the operation. They got the job done. Crocker was known for taking risks.
The nitroglycerin blasts at the Summit Tunnel were a gamble — the chemical was notoriously unstable, and accidents were common. But the tunnel had to be punched through the granite of the Sierra Nevada, and Crocker was not a man to let geology slow him down.
The tunnel became a symbol of his approach: fast, aggressive, and willing to spend lives to save time. After the railroad’s completion, Crocker shifted his focus. He became a wealthy landowner and banker in California.
His son, William H. Crocker, followed him into finance, becoming a prominent banker and philanthropist in his own right.
The Crocker family name would remain tied to California banking and real estate for generations. By the time of his death in 1888, Charles Crocker had amassed a fortune that placed him among the wealthiest men in the American West. The $20 million estate — worth nearly three-quarters of a billion dollars in today’s money — reflected the scale of the wealth generated by the transcontinental railroad.
The numbers behind the railroad
Investors will note the arithmetic of Crocker’s railroad career. The Central Pacific was the western half of the first transcontinental railroad, and Crocker was its builder. He oversaw the hiring, the supply chains, the blasting, and the grading.
The 12,000 Chinese workers were not just a labor force — they were the largest single group of industrial laborers in America at the time, working under conditions that killed thousands. The Summit Tunnel alone took 15 months to carve through 1,659 feet of granite.
In an era before modern tunneling machines, that pace was considered remarkable. It was achieved through round-the-clock shifts, black powder, nitroglycerin, and the sheer physical endurance of the Chinese crews. By 1868, the Central Pacific’s workforce was 80 percent Chinese.
That is the figure that defines Crocker’s legacy as a manager: he identified a labor source that others had dismissed, and he used it to its maximum capacity. He was not a benevolent employer — wages were low, conditions were dangerous, and the death toll from avalanches, explosions, and disease was high.
But from a purely industrial standpoint, the system worked.
The man behind the money
Crocker’s personal story follows a classic American arc: from dry goods merchant in Troy, New York, to railroad baron in California. He arrived in 1852, during the Gold Rush, but he did not dig for gold. He sold supplies to those who did.
That merchant’s instinct — find the need, fill it, take the profit — carried him into the railroad business. As a member of the Big Four, Crocker was part of a group that effectively controlled the economic destiny of California and the western United States.
The Central Pacific was not just a railroad; it was a monopoly over transportation, land, and political influence. Crocker and his partners used their wealth to shape state legislation, secure federal land grants, and crush competitors. His ruthlessness was legendary.
When the Summit Tunnel stalled, Crocker did not wait for better technology. He ordered the use of nitroglycerin — a substance so volatile that it had to be handled with extreme care.
The blasts worked. The tunnel was completed. The railroad moved forward.
What to watch next
The Crocker fortune did not end with Charles. His son, William H. Crocker, took the family name into banking and philanthropy, helping to fund institutions in California.
The family’s wealth, rooted in railroad construction and Chinese immigrant labor, became a pillar of California’s economic establishment.
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